IF.sch

EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr USLegal 14000 8500
encoding utf-8
Sheet 1 1
Title "NanoBitX IF module"
Date "2021-07-06"
Rev "1"
Comp "wa2mze"
Comment1 ""
Comment2 ""
Comment3 "AGC and Microphone preamp"
Comment4 "Second Mixer, 10.7 mhz IF, Product Detector and Balanced Modulator"
$EndDescr
$Comp
L mze_lib:ERA-1 U1
U 1 1 610A6F73
P 2300 2450
F 0 "U1" H 2000 2850 50  0000 L CNN
F 1 "ERA-1" H 1950 2750 50  0000 L CNN
F 2 "" H 2300 2650 50  0001 C CNN
F 3 "" H 2300 2650 50  0001 C CNN
	1    2300 2450
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C6
U 1 1 610A89F0
P 2850 2550
F 0 "C6" V 2600 2650 50  0000 C CNN
F 1 ".01uf" V 2700 2650 50  0000 C CNN
F 2 "" H 2850 2550 50  0001 C CNN
F 3 "~" H 2850 2550 50  0001 C CNN
	1    2850 2550
	0    1    1    0   
$EndComp
$Comp
L Device:C_Small C7
U 1 1 610A9AC1
P 2850 2750
F 0 "C7" V 3100 2750 50  0000 C CNN
F 1 ".01uf" V 3000 2750 50  0000 C CNN
F 2 "" H 2850 2750 50  0001 C CNN
F 3 "~" H 2850 2750 50  0001 C CNN
	1    2850 2750
	0    1    1    0   
$EndComp
$Comp
L mze_lib:ERA-1 U2
U 1 1 610AA3FC
P 2300 2850
F 0 "U2" H 2100 2550 50  0000 R CNN
F 1 "ERA-1" H 2150 2650 50  0000 R CNN
F 2 "" H 2300 3050 50  0001 C CNN
F 3 "" H 2300 3050 50  0001 C CNN
	1    2300 2850
	-1   0    0    -1  
$EndComp
Wire Wire Line
	2750 2550 2600 2550
Wire Wire Line
	2600 2550 2600 2450
Wire Wire Line
	2750 2750 2600 2750
Wire Wire Line
	2600 2750 2600 2850
$Comp
L Device:C_Small C4
U 1 1 610AFE31
P 1900 2850
F 0 "C4" V 1950 2700 50  0000 C CNN
F 1 ".01uf" V 2000 2650 50  0000 C CNN
F 2 "" H 1900 2850 50  0001 C CNN
F 3 "~" H 1900 2850 50  0001 C CNN
	1    1900 2850
	0    1    1    0   
$EndComp
$Comp
L Device:C_Small C3
U 1 1 610B0592
P 1900 2450
F 0 "C3" V 1671 2450 50  0000 C CNN
F 1 ".01uf" V 1762 2450 50  0000 C CNN
F 2 "" H 1900 2450 50  0001 C CNN
F 3 "~" H 1900 2450 50  0001 C CNN
	1    1900 2450
	0    1    1    0   
$EndComp
$Comp
L Connector_Generic:Conn_01x01 J1
U 1 1 610BB47F
P 1150 2650
F 0 "J1" H 1300 2950 50  0000 C CNN
F 1 "45mhz I/O" H 1200 2850 50  0000 C CNN
F 2 "" H 1150 2650 50  0001 C CNN
F 3 "~" H 1150 2650 50  0001 C CNN
	1    1150 2650
	-1   0    0    -1  
$EndComp
Wire Wire Line
	1800 2450 1800 2650
Wire Wire Line
	1800 2650 1800 2850
Connection ~ 1800 2650
$Comp
L power:GND #PWR011
U 1 1 610C0FAB
P 2300 3050
F 0 "#PWR011" H 2300 2800 50  0001 C CNN
F 1 "GND" H 2305 2877 50  0000 C CNN
F 2 "" H 2300 3050 50  0001 C CNN
F 3 "" H 2300 3050 50  0001 C CNN
	1    2300 3050
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR09
U 1 1 610C3D1C
P 2300 2250
F 0 "#PWR09" H 2300 2000 50  0001 C CNN
F 1 "GND" H 2300 2100 50  0000 C CNN
F 2 "" H 2300 2250 50  0001 C CNN
F 3 "" H 2300 2250 50  0001 C CNN
	1    2300 2250
	1    0    0    1   
$EndComp
$Comp
L power:GND #PWR010
U 1 1 610C6454
P 2300 2650
F 0 "#PWR010" H 2300 2400 50  0001 C CNN
F 1 "GND" V 2305 2522 50  0000 R CNN
F 2 "" H 2300 2650 50  0001 C CNN
F 3 "" H 2300 2650 50  0001 C CNN
	1    2300 2650
	0    -1   1    0   
$EndComp
Connection ~ 2300 2650
$Comp
L mze_lib:NE602 U5
U 1 1 610CAD51
P 3200 2350
F 0 "U5" H 3250 2365 50  0000 C CNN
F 1 "NE602" H 3250 2274 50  0000 C CNN
F 2 "" H 3200 2350 50  0001 C CNN
F 3 "" H 3200 2350 50  0001 C CNN
	1    3200 2350
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR018
U 1 1 610CBD12
P 3150 3300
F 0 "#PWR018" H 3150 3050 50  0001 C CNN
F 1 "GND" H 3155 3127 50  0000 C CNN
F 2 "" H 3150 3300 50  0001 C CNN
F 3 "" H 3150 3300 50  0001 C CNN
	1    3150 3300
	1    0    0    -1  
$EndComp
$Comp
L Device:L_Small L1
U 1 1 610CE2D9
P 2000 2950
F 0 "L1" H 2048 2996 50  0000 L CNN
F 1 "10uh" H 2048 2905 50  0000 L CNN
F 2 "" H 2000 2950 50  0001 C CNN
F 3 "~" H 2000 2950 50  0001 C CNN
	1    2000 2950
	1    0    0    -1  
$EndComp
Connection ~ 2000 2850
$Comp
L Device:R_US R3
U 1 1 610D43A6
P 2000 3200
F 0 "R3" H 2068 3246 50  0000 L CNN
F 1 "220" H 2068 3155 50  0000 L CNN
F 2 "" V 2040 3190 50  0001 C CNN
F 3 "~" H 2000 3200 50  0001 C CNN
	1    2000 3200
	1    0    0    -1  
$EndComp
$Comp
L Device:L_Small L2
U 1 1 610E83D4
P 2600 2350
F 0 "L2" H 2648 2396 50  0000 L CNN
F 1 "10uh" H 2648 2305 50  0000 L CNN
F 2 "" H 2600 2350 50  0001 C CNN
F 3 "~" H 2600 2350 50  0001 C CNN
	1    2600 2350
	1    0    0    -1  
$EndComp
$Comp
L Device:R_US R5
U 1 1 610E8B6B
P 2600 2100
F 0 "R5" H 2668 2146 50  0000 L CNN
F 1 "220" H 2668 2055 50  0000 L CNN
F 2 "" V 2640 2090 50  0001 C CNN
F 3 "~" H 2600 2100 50  0001 C CNN
	1    2600 2100
	1    0    0    -1  
$EndComp
Connection ~ 2600 2450
$Comp
L WA2MZE:+12RX #PWR016
U 1 1 611006ED
P 2600 1800
F 0 "#PWR016" H 2600 1650 50  0001 C CNN
F 1 "+12RX" V 2615 1928 50  0000 L CNN
F 2 "" H 2600 1800 50  0001 C CNN
F 3 "" H 2600 1800 50  0001 C CNN
	1    2600 1800
	0    1    1    0   
$EndComp
$Comp
L WA2MZE:+12TX #PWR07
U 1 1 61102ABE
P 2000 3350
F 0 "#PWR07" H 2000 3200 50  0001 C CNN
F 1 "+12TX" H 2100 3500 50  0000 C CNN
F 2 "" H 2000 3350 50  0001 C CNN
F 3 "" H 2000 3350 50  0001 C CNN
	1    2000 3350
	1    0    0    1   
$EndComp
$Comp
L mze_lib:74HC4053 U4
U 1 1 61104388
P 3850 2700
F 0 "U4" H 3875 3115 50  0000 C CNN
F 1 "74HC4053" H 3875 3024 50  0000 C CNN
F 2 "" H 3850 2700 50  0001 C CNN
F 3 "" H 3850 2700 50  0001 C CNN
	1    3850 2700
	1    0    0    -1  
$EndComp
$Comp
L power:+6V #PWR024
U 1 1 61106ECD
P 4700 3450
F 0 "#PWR024" H 4700 3300 50  0001 C CNN
F 1 "+6V" V 4715 3623 50  0000 C CNN
F 2 "" H 4700 3450 50  0001 C CNN
F 3 "" H 4700 3450 50  0001 C CNN
	1    4700 3450
	0    1    -1   0   
$EndComp
$Comp
L mze_lib:Xtal-Filter F1
U 1 1 611083AB
P 4550 2800
F 0 "F1" H 4550 3175 50  0000 C CNN
F 1 "10.7mhz" H 4550 3084 50  0000 C CNN
F 2 "" H 4550 2800 50  0001 C CNN
F 3 "" H 4550 2800 50  0001 C CNN
	1    4550 2800
	1    0    0    -1  
$EndComp
$Comp
L mze_lib:74HC4053 U4
U 2 1 6110B441
P 5250 2700
F 0 "U4" H 5275 3115 50  0000 C CNN
F 1 "74HC4053" H 5275 3024 50  0000 C CNN
F 2 "" H 5250 2700 50  0001 C CNN
F 3 "" H 5250 2700 50  0001 C CNN
	2    5250 2700
	-1   0    0    -1  
$EndComp
$Comp
L mze_lib:74HC4053 U4
U 3 1 6111ABA3
P 3200 3850
F 0 "U4" V 3179 4128 50  0000 L CNN
F 1 "74HC4053" V 3270 4128 50  0000 L CNN
F 2 "" H 3200 3850 50  0001 C CNN
F 3 "" H 3200 3850 50  0001 C CNN
	3    3200 3850
	0    1    1    0   
$EndComp
$Comp
L Device:C_Small C9
U 1 1 6111D79C
P 3350 4200
F 0 "C9" V 3200 4350 50  0000 C CNN
F 1 "0.1uf" V 3300 4350 50  0000 C CNN
F 2 "" H 3350 4200 50  0001 C CNN
F 3 "~" H 3350 4200 50  0001 C CNN
	1    3350 4200
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR020
U 1 1 6111E9C5
P 3450 4200
F 0 "#PWR020" H 3450 3950 50  0001 C CNN
F 1 "GND" H 3600 4150 50  0000 C CNN
F 2 "" H 3450 4200 50  0001 C CNN
F 3 "" H 3450 4200 50  0001 C CNN
	1    3450 4200
	1    0    0    -1  
$EndComp
Wire Wire Line
	3550 2750 3550 2850
Wire Wire Line
	3550 2850 3650 2850
Wire Wire Line
	3650 2850 3650 3550
Wire Wire Line
	3650 3550 3350 3550
Connection ~ 3550 2750
Wire Wire Line
	2950 2550 2950 2650
Wire Wire Line
	2950 2650 2700 2650
Wire Wire Line
	2700 2650 2700 3550
Wire Wire Line
	2700 3550 3150 3550
Connection ~ 2950 2550
Wire Wire Line
	3100 4200 3100 4300
Wire Wire Line
	3100 4300 4200 4300
Wire Wire Line
	4200 4300 4200 3300
Wire Wire Line
	4900 2800 4900 3300
Wire Wire Line
	4900 3300 4200 3300
Connection ~ 4200 3300
Wire Wire Line
	4200 3300 4200 2800
$Comp
L power:GND #PWR023
U 1 1 6112A2B8
P 4550 3100
F 0 "#PWR023" H 4550 2850 50  0001 C CNN
F 1 "GND" H 4700 3050 50  0000 C CNN
F 2 "" H 4550 3100 50  0001 C CNN
F 3 "" H 4550 3100 50  0001 C CNN
	1    4550 3100
	1    0    0    -1  
$EndComp
Text GLabel 3000 4300 0    50   Input ~ 0
tx
Wire Wire Line
	3100 4300 3000 4300
Connection ~ 3100 4300
$Comp
L Connector_Generic:Conn_01x01 J3
U 1 1 61133779
P 1550 4500
F 0 "J3" H 1700 4800 50  0000 C CNN
F 1 "LO#2" H 1600 4700 50  0000 C CNN
F 2 "" H 1550 4500 50  0001 C CNN
F 3 "~" H 1550 4500 50  0001 C CNN
	1    1550 4500
	-1   0    0    -1  
$EndComp
$Comp
L Device:R_US R1
U 1 1 611380E1
P 1750 4650
F 0 "R1" H 1818 4696 50  0000 L CNN
F 1 "220" H 1818 4605 50  0000 L CNN
F 2 "" V 1790 4640 50  0001 C CNN
F 3 "~" H 1750 4650 50  0001 C CNN
	1    1750 4650
	1    0    0    -1  
$EndComp
$Comp
L Device:R_US R2
U 1 1 61138FCC
P 1900 4500
F 0 "R2" V 1695 4500 50  0000 C CNN
F 1 "220" V 1786 4500 50  0000 C CNN
F 2 "" V 1940 4490 50  0001 C CNN
F 3 "~" H 1900 4500 50  0001 C CNN
	1    1900 4500
	0    1    1    0   
$EndComp
Connection ~ 1750 4500
$Comp
L Device:R_US R4
U 1 1 6113A08F
P 2050 4650
F 0 "R4" H 2118 4696 50  0000 L CNN
F 1 "220" H 2118 4605 50  0000 L CNN
F 2 "" V 2090 4640 50  0001 C CNN
F 3 "~" H 2050 4650 50  0001 C CNN
	1    2050 4650
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR03
U 1 1 6113B209
P 1750 4800
F 0 "#PWR03" H 1750 4550 50  0001 C CNN
F 1 "GND" H 1755 4627 50  0000 C CNN
F 2 "" H 1750 4800 50  0001 C CNN
F 3 "" H 1750 4800 50  0001 C CNN
	1    1750 4800
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR08
U 1 1 6113BD5A
P 2050 4800
F 0 "#PWR08" H 2050 4550 50  0001 C CNN
F 1 "GND" H 2055 4627 50  0000 C CNN
F 2 "" H 2050 4800 50  0001 C CNN
F 3 "" H 2050 4800 50  0001 C CNN
	1    2050 4800
	1    0    0    -1  
$EndComp
Wire Wire Line
	4050 4500 4050 2950
$Comp
L Device:C_Small C10
U 1 1 61140307
P 3550 3200
F 0 "C10" H 3300 3250 50  0000 C CNN
F 1 ".01uf" H 3350 3150 50  0000 C CNN
F 2 "" H 3550 3200 50  0001 C CNN
F 3 "~" H 3550 3200 50  0001 C CNN
	1    3550 3200
	-1   0    0    -1  
$EndComp
$Comp
L power:GND #PWR021
U 1 1 611450E7
P 3550 3300
F 0 "#PWR021" H 3550 3050 50  0001 C CNN
F 1 "GND" H 3555 3127 50  0000 C CNN
F 2 "" H 3550 3300 50  0001 C CNN
F 3 "" H 3550 3300 50  0001 C CNN
	1    3550 3300
	1    0    0    -1  
$EndComp
$Comp
L Connector_Generic:Conn_01x01 J2
U 1 1 61146C70
P 1550 3850
F 0 "J2" H 1700 4150 50  0000 C CNN
F 1 "tx" H 1600 4050 50  0000 C CNN
F 2 "" H 1550 3850 50  0001 C CNN
F 3 "~" H 1550 3850 50  0001 C CNN
	1    1550 3850
	-1   0    0    -1  
$EndComp
Text GLabel 1850 3850 2    50   Input ~ 0
tx
Wire Wire Line
	1850 3850 1750 3850
$Comp
L mze_lib:74HC4053 U4
U 4 1 6115B550
P 2450 3850
F 0 "U4" H 2350 3900 50  0000 L CNN
F 1 "74HC4053" H 2250 3800 50  0000 L CNN
F 2 "" H 2450 3850 50  0001 C CNN
F 3 "" H 2450 3850 50  0001 C CNN
	4    2450 3850
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR015
U 1 1 6115D067
P 2450 4150
F 0 "#PWR015" H 2450 3900 50  0001 C CNN
F 1 "GND" H 2600 4100 50  0000 C CNN
F 2 "" H 2450 4150 50  0001 C CNN
F 3 "" H 2450 4150 50  0001 C CNN
	1    2450 4150
	1    0    0    -1  
$EndComp
Wire Wire Line
	2250 4150 2450 4150
Connection ~ 2450 4150
$Comp
L power:+6V #PWR014
U 1 1 61160356
P 2450 3550
F 0 "#PWR014" H 2450 3400 50  0001 C CNN
F 1 "+6V" H 2465 3723 50  0000 C CNN
F 2 "" H 2450 3550 50  0001 C CNN
F 3 "" H 2450 3550 50  0001 C CNN
	1    2450 3550
	-1   0    0    -1  
$EndComp
Wire Wire Line
	2450 4150 2650 4150
Text Notes 2300 5150 0    50   ~ 0
R values set for \ndesired attenuation
$Comp
L Connector_Generic:Conn_01x01 J4
U 1 1 611815B7
P 1550 5200
F 0 "J4" H 1650 5400 50  0000 C CNN
F 1 "+12V_Rx" H 1600 5300 50  0000 C CNN
F 2 "" H 1550 5200 50  0001 C CNN
F 3 "~" H 1550 5200 50  0001 C CNN
	1    1550 5200
	-1   0    0    -1  
$EndComp
$Comp
L Connector_Generic:Conn_01x01 J5
U 1 1 6118242D
P 1550 5650
F 0 "J5" H 1700 5850 50  0000 C CNN
F 1 "+12V_Tx" H 1650 5750 50  0000 C CNN
F 2 "" H 1550 5650 50  0001 C CNN
F 3 "~" H 1550 5650 50  0001 C CNN
	1    1550 5650
	-1   0    0    -1  
$EndComp
$Comp
L WA2MZE:+12RX #PWR04
U 1 1 611831AB
P 1750 5200
F 0 "#PWR04" H 1750 5050 50  0001 C CNN
F 1 "+12RX" V 1765 5328 50  0000 L CNN
F 2 "" H 1750 5200 50  0001 C CNN
F 3 "" H 1750 5200 50  0001 C CNN
	1    1750 5200
	0    1    1    0   
$EndComp
$Comp
L WA2MZE:+12TX #PWR05
U 1 1 61184356
P 1750 5650
F 0 "#PWR05" H 1750 5500 50  0001 C CNN
F 1 "+12TX" V 1765 5778 50  0000 L CNN
F 2 "" H 1750 5650 50  0001 C CNN
F 3 "" H 1750 5650 50  0001 C CNN
	1    1750 5650
	0    1    1    0   
$EndComp
$Comp
L mze_lib:MC1350 U6
U 1 1 610A697F
P 6250 2350
F 0 "U6" H 6000 2750 50  0000 C CNN
F 1 "MC1350" H 6000 2650 50  0000 C CNN
F 2 "" H 6250 2350 50  0001 C CNN
F 3 "" H 6250 2350 50  0001 C CNN
	1    6250 2350
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C13
U 1 1 610AA199
P 5550 2300
F 0 "C13" H 5550 2600 50  0000 C CNN
F 1 ".1uf" H 5550 2550 50  0000 C CNN
F 2 "" H 5550 2300 50  0001 C CNN
F 3 "~" H 5550 2300 50  0001 C CNN
	1    5550 2300
	-1   0    0    -1  
$EndComp
Wire Wire Line
	5550 2200 5850 2200
Wire Wire Line
	5550 2400 5550 2550
$Comp
L Device:C_Small C14
U 1 1 610B1CCE
P 5700 2550
F 0 "C14" H 5700 2750 50  0000 C CNN
F 1 "0.1uf" H 5700 2700 50  0000 C CNN
F 2 "" H 5700 2550 50  0001 C CNN
F 3 "~" H 5700 2550 50  0001 C CNN
	1    5700 2550
	-1   0    0    -1  
$EndComp
$Comp
L power:GND #PWR026
U 1 1 610B2D4B
P 6400 2750
F 0 "#PWR026" H 6400 2500 50  0001 C CNN
F 1 "GND" H 6400 2600 50  0000 C CNN
F 2 "" H 6400 2750 50  0001 C CNN
F 3 "" H 6400 2750 50  0001 C CNN
	1    6400 2750
	1    0    0    -1  
$EndComp
Wire Wire Line
	5700 2650 5700 2750
Wire Wire Line
	5850 2450 5700 2450
Wire Wire Line
	6400 2750 6250 2750
Wire Wire Line
	6250 2750 5700 2750
Connection ~ 6250 2750
$Comp
L Device:R_US R9
U 1 1 610C4B4D
P 7100 2000
F 0 "R9" V 6895 2000 50  0000 C CNN
F 1 "100" V 6986 2000 50  0000 C CNN
F 2 "" V 7140 1990 50  0001 C CNN
F 3 "~" H 7100 2000 50  0001 C CNN
	1    7100 2000
	0    1    1    0   
$EndComp
Wire Wire Line
	6250 2000 6800 2000
$Comp
L Device:C_Small C16
U 1 1 610EA9B2
P 6950 2650
F 0 "C16" H 6850 2550 50  0000 C CNN
F 1 "0.1uf" H 6850 2450 50  0000 C CNN
F 2 "" H 6950 2650 50  0001 C CNN
F 3 "~" H 6950 2650 50  0001 C CNN
	1    6950 2650
	-1   0    0    -1  
$EndComp
Wire Wire Line
	6950 2750 6800 2750
Connection ~ 6400 2750
$Comp
L mze_lib:NE602 U7
U 1 1 610FE0C4
P 8000 2050
F 0 "U7" H 8050 2065 50  0000 C CNN
F 1 "NE602" H 8050 1974 50  0000 C CNN
F 2 "" H 8000 2050 50  0001 C CNN
F 3 "" H 8000 2050 50  0001 C CNN
	1    8000 2050
	1    0    0    -1  
$EndComp
Wire Wire Line
	6950 2550 6950 2500
$Comp
L dk_Transistors-FETs-MOSFETs-Single:2N7000 Q1
U 1 1 61112499
P 7500 3850
F 0 "Q1" H 7608 3903 60  0000 L CNN
F 1 "2N7000" H 7608 3797 60  0000 L CNN
F 2 "digikey-footprints:TO-92-3" H 7700 4050 60  0001 L CNN
F 3 "https://www.onsemi.com/pub/Collateral/NDS7002A-D.PDF" H 7700 4150 60  0001 L CNN
F 4 "2N7000FS-ND" H 7700 4250 60  0001 L CNN "Digi-Key_PN"
F 5 "2N7000" H 7700 4350 60  0001 L CNN "MPN"
F 6 "Discrete Semiconductor Products" H 7700 4450 60  0001 L CNN "Category"
F 7 "Transistors - FETs, MOSFETs - Single" H 7700 4550 60  0001 L CNN "Family"
F 8 "https://www.onsemi.com/pub/Collateral/NDS7002A-D.PDF" H 7700 4650 60  0001 L CNN "DK_Datasheet_Link"
F 9 "/product-detail/en/on-semiconductor/2N7000/2N7000FS-ND/244278" H 7700 4750 60  0001 L CNN "DK_Detail_Page"
F 10 "MOSFET N-CH 60V 200MA TO-92" H 7700 4850 60  0001 L CNN "Description"
F 11 "ON Semiconductor" H 7700 4950 60  0001 L CNN "Manufacturer"
F 12 "Active" H 7700 5050 60  0001 L CNN "Status"
	1    7500 3850
	1    0    0    -1  
$EndComp
$Comp
L Device:R_POT_US RV1
U 1 1 611186D1
P 8050 3350
F 0 "RV1" V 8200 3500 50  0000 C CNN
F 1 "10k" V 8300 3500 50  0000 C CNN
F 2 "" H 8050 3350 50  0001 C CNN
F 3 "~" H 8050 3350 50  0001 C CNN
	1    8050 3350
	0    1    1    0   
$EndComp
$Comp
L Device:R_US R13
U 1 1 611213CD
P 7750 3350
F 0 "R13" V 7850 3350 50  0000 C CNN
F 1 "10k" V 7650 3350 50  0000 C CNN
F 2 "" V 7790 3340 50  0001 C CNN
F 3 "~" H 7750 3350 50  0001 C CNN
	1    7750 3350
	0    1    1    0   
$EndComp
$Comp
L Device:R_US R14
U 1 1 611224EE
P 8350 3350
F 0 "R14" V 8450 3500 50  0000 C CNN
F 1 "10k" V 8550 3500 50  0000 C CNN
F 2 "" V 8390 3340 50  0001 C CNN
F 3 "~" H 8350 3350 50  0001 C CNN
	1    8350 3350
	0    1    1    0   
$EndComp
Wire Wire Line
	8350 2450 8700 2450
Wire Wire Line
	8700 2450 8700 3350
Wire Wire Line
	8700 3350 8500 3350
Wire Wire Line
	7600 3350 7500 3350
Wire Wire Line
	7500 3450 7500 3350
$Comp
L Device:CP1_Small C18
U 1 1 61126925
P 7500 3550
F 0 "C18" H 7600 3550 50  0000 L CNN
F 1 "1uf" H 7600 3500 50  0000 L CNN
F 2 "" H 7500 3550 50  0001 C CNN
F 3 "~" H 7500 3550 50  0001 C CNN
	1    7500 3550
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR029
U 1 1 61127597
P 7200 4250
F 0 "#PWR029" H 7200 4000 50  0001 C CNN
F 1 "GND" H 7200 4100 50  0000 C CNN
F 2 "" H 7200 4250 50  0001 C CNN
F 3 "" H 7200 4250 50  0001 C CNN
	1    7200 4250
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR035
U 1 1 61128C03
P 8050 3500
F 0 "#PWR035" H 8050 3250 50  0001 C CNN
F 1 "GND" H 8050 3350 50  0000 C CNN
F 2 "" H 8050 3500 50  0001 C CNN
F 3 "" H 8050 3500 50  0001 C CNN
	1    8050 3500
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR034
U 1 1 61129602
P 7950 3000
F 0 "#PWR034" H 7950 2750 50  0001 C CNN
F 1 "GND" H 7800 2950 50  0000 C CNN
F 2 "" H 7950 3000 50  0001 C CNN
F 3 "" H 7950 3000 50  0001 C CNN
	1    7950 3000
	1    0    0    -1  
$EndComp
$Comp
L Device:R_US R8
U 1 1 6112D847
P 7050 3950
F 0 "R8" V 6845 3950 50  0000 C CNN
F 1 "5k" V 6936 3950 50  0000 C CNN
F 2 "" V 7090 3940 50  0001 C CNN
F 3 "~" H 7050 3950 50  0001 C CNN
	1    7050 3950
	0    1    1    0   
$EndComp
$Comp
L Device:R_US R11
U 1 1 6112E9EF
P 7200 4100
F 0 "R11" H 7132 4054 50  0000 R CNN
F 1 "100K" H 7132 4145 50  0000 R CNN
F 2 "" V 7240 4090 50  0001 C CNN
F 3 "~" H 7200 4100 50  0001 C CNN
	1    7200 4100
	-1   0    0    1   
$EndComp
Connection ~ 7200 3950
Wire Wire Line
	7500 4050 7500 4250
Wire Wire Line
	7500 4250 7200 4250
Connection ~ 7200 4250
Text GLabel 6900 3950 0    50   Input ~ 0
tx
$Comp
L power:+6V #PWR028
U 1 1 61151707
P 7050 3150
F 0 "#PWR028" H 7050 3000 50  0001 C CNN
F 1 "+6V" V 7065 3323 50  0000 C CNN
F 2 "" H 7050 3150 50  0001 C CNN
F 3 "" H 7050 3150 50  0001 C CNN
	1    7050 3150
	0    -1   1    0   
$EndComp
Text Notes 7900 3300 0    50   ~ 0
carrier null
$Comp
L Device:Crystal_Small Y1
U 1 1 6115B724
P 8850 2750
F 0 "Y1" V 8600 2700 50  0000 L CNN
F 1 "10.692mhz" V 8700 2650 50  0000 L CNN
F 2 "" H 8850 2750 50  0001 C CNN
F 3 "~" H 8850 2750 50  0001 C CNN
	1    8850 2750
	0    1    1    0   
$EndComp
$Comp
L Device:C_Small C22
U 1 1 6115CAE1
P 8550 2750
F 0 "C22" H 8500 2950 50  0000 C CNN
F 1 "58pf" H 8500 2900 50  0000 C CNN
F 2 "" H 8550 2750 50  0001 C CNN
F 3 "~" H 8550 2750 50  0001 C CNN
	1    8550 2750
	-1   0    0    -1  
$EndComp
$Comp
L Device:C_Small C23
U 1 1 6115D546
P 8550 2950
F 0 "C23" H 8700 3000 50  0000 C CNN
F 1 "82pf" H 8750 2900 50  0000 C CNN
F 2 "" H 8550 2950 50  0001 C CNN
F 3 "~" H 8550 2950 50  0001 C CNN
	1    8550 2950
	-1   0    0    -1  
$EndComp
Wire Wire Line
	8550 2850 8350 2850
Wire Wire Line
	8350 2850 8350 2800
Connection ~ 8550 2850
$Comp
L Device:CTRIM_Small C26
U 1 1 61165563
P 8850 2950
F 0 "C26" H 8941 2996 50  0000 L CNN
F 1 "60pf" H 8941 2905 50  0000 L CNN
F 2 "" H 8850 2950 50  0001 C CNN
F 3 "~" H 8850 2950 50  0001 C CNN
	1    8850 2950
	1    0    0    -1  
$EndComp
Wire Wire Line
	8550 3050 8850 3050
$Comp
L power:GND #PWR037
U 1 1 6116B346
P 8850 3050
F 0 "#PWR037" H 8850 2800 50  0001 C CNN
F 1 "GND" H 8850 2900 50  0000 C CNN
F 2 "" H 8850 3050 50  0001 C CNN
F 3 "" H 8850 3050 50  0001 C CNN
	1    8850 3050
	1    0    0    -1  
$EndComp
Connection ~ 8850 3050
Wire Wire Line
	8350 2650 8550 2650
Wire Wire Line
	8550 2650 8850 2650
Connection ~ 8550 2650
$Comp
L Device:CP1_Small C24
U 1 1 611717AF
P 8800 3350
F 0 "C24" V 8650 3450 50  0000 C CNN
F 1 "1uf" V 8650 3300 50  0000 C CNN
F 2 "" H 8800 3350 50  0001 C CNN
F 3 "~" H 8800 3350 50  0001 C CNN
	1    8800 3350
	0    1    -1   0   
$EndComp
Connection ~ 8700 3350
$Comp
L Toroids:trifilar T1
U 1 1 610A3C5B
P 7250 2300
F 0 "T1" H 7400 2750 50  0000 C CNN
F 1 "see notes" H 7450 2700 50  0000 C CNN
F 2 "" H 7200 2300 50  0001 C CNN
F 3 "" H 7200 2300 50  0001 C CNN
	1    7250 2300
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR033
U 1 1 610AC92E
P 7400 2450
F 0 "#PWR033" H 7400 2200 50  0001 C CNN
F 1 "GND" H 7500 2350 50  0000 C CNN
F 2 "" H 7400 2450 50  0001 C CNN
F 3 "" H 7400 2450 50  0001 C CNN
	1    7400 2450
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C19
U 1 1 610AD3B4
P 7650 2150
F 0 "C19" V 7600 1950 50  0000 C CNN
F 1 ".01uf" V 7500 1950 50  0000 C CNN
F 2 "" H 7650 2150 50  0001 C CNN
F 3 "~" H 7650 2150 50  0001 C CNN
	1    7650 2150
	0    1    -1   0   
$EndComp
Wire Wire Line
	7750 2450 7750 2950
$Comp
L Regulator_Linear:L7806 U3
U 1 1 610EE036
P 2300 6300
F 0 "U3" H 2300 6542 50  0000 C CNN
F 1 "LM7806" H 2300 6451 50  0000 C CNN
F 2 "" H 2325 6150 50  0001 L CIN
F 3 "http://www.st.com/content/ccc/resource/technical/document/datasheet/41/4f/b3/b0/12/d4/47/88/CD00000444.pdf/files/CD00000444.pdf/jcr:content/translations/en.CD00000444.pdf" H 2300 6250 50  0001 C CNN
	1    2300 6300
	1    0    0    -1  
$EndComp
$Comp
L Connector_Generic:Conn_01x01 J6
U 1 1 610EF831
P 1550 6300
F 0 "J6" H 1700 6500 50  0000 C CNN
F 1 "+12V" H 1650 6400 50  0000 C CNN
F 2 "" H 1550 6300 50  0001 C CNN
F 3 "~" H 1550 6300 50  0001 C CNN
	1    1550 6300
	-1   0    0    -1  
$EndComp
Wire Wire Line
	1750 6300 1850 6300
$Comp
L Device:CP C8
U 1 1 610F2384
P 2900 6450
F 0 "C8" H 3018 6496 50  0000 L CNN
F 1 "10uf" H 3018 6405 50  0000 L CNN
F 2 "" H 2938 6300 50  0001 C CNN
F 3 "~" H 2900 6450 50  0001 C CNN
	1    2900 6450
	1    0    0    -1  
$EndComp
Wire Wire Line
	2600 6300 2900 6300
$Comp
L power:GND #PWR012
U 1 1 611098F8
P 2300 6600
F 0 "#PWR012" H 2300 6350 50  0001 C CNN
F 1 "GND" H 2305 6427 50  0000 C CNN
F 2 "" H 2300 6600 50  0001 C CNN
F 3 "" H 2300 6600 50  0001 C CNN
	1    2300 6600
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR017
U 1 1 6110A452
P 2900 6600
F 0 "#PWR017" H 2900 6350 50  0001 C CNN
F 1 "GND" H 2905 6427 50  0000 C CNN
F 2 "" H 2900 6600 50  0001 C CNN
F 3 "" H 2900 6600 50  0001 C CNN
	1    2900 6600
	1    0    0    -1  
$EndComp
$Comp
L Device:C C2
U 1 1 6110ACD0
P 1850 6450
F 0 "C2" H 1965 6496 50  0000 L CNN
F 1 ".1uf" H 1965 6405 50  0000 L CNN
F 2 "" H 1888 6300 50  0001 C CNN
F 3 "~" H 1850 6450 50  0001 C CNN
	1    1850 6450
	1    0    0    -1  
$EndComp
Connection ~ 1850 6300
Wire Wire Line
	1850 6300 2000 6300
$Comp
L power:GND #PWR06
U 1 1 6110BD52
P 1850 6600
F 0 "#PWR06" H 1850 6350 50  0001 C CNN
F 1 "GND" H 1855 6427 50  0000 C CNN
F 2 "" H 1850 6600 50  0001 C CNN
F 3 "" H 1850 6600 50  0001 C CNN
	1    1850 6600
	1    0    0    -1  
$EndComp
$Comp
L power:+6V #PWR019
U 1 1 61113ECA
P 3150 6300
F 0 "#PWR019" H 3150 6150 50  0001 C CNN
F 1 "+6V" V 3165 6473 50  0000 C CNN
F 2 "" H 3150 6300 50  0001 C CNN
F 3 "" H 3150 6300 50  0001 C CNN
	1    3150 6300
	0    1    -1   0   
$EndComp
Wire Wire Line
	3150 6300 2900 6300
Connection ~ 2900 6300
Wire Wire Line
	1800 2650 1750 2650
Text Notes 6450 6850 0    50   Italic 0
1: T1 Trifilar  wound on -43 toroid or balum core
Text Notes 6450 6700 0    50   ~ 10
Notes
$Comp
L Device:R_US R12
U 1 1 611DA123
P 7250 2650
F 0 "R12" H 7350 2650 50  0000 C CNN
F 1 "100" H 7136 2650 50  0000 C CNN
F 2 "" V 7290 2640 50  0001 C CNN
F 3 "~" H 7250 2650 50  0001 C CNN
	1    7250 2650
	-1   0    0    1   
$EndComp
$Comp
L Device:C_Small C15
U 1 1 611DEB5D
P 6800 2650
F 0 "C15" H 7000 2750 50  0000 C CNN
F 1 "0.1uf" H 7000 2650 50  0000 C CNN
F 2 "" H 6800 2650 50  0001 C CNN
F 3 "~" H 6800 2650 50  0001 C CNN
	1    6800 2650
	-1   0    0    -1  
$EndComp
Connection ~ 6800 2750
Wire Wire Line
	6800 2750 6400 2750
Wire Wire Line
	6800 2550 6800 2000
Connection ~ 6800 2000
Wire Wire Line
	6800 2000 6950 2000
$Comp
L Device:R_US R7
U 1 1 611EE770
P 5850 2950
F 0 "R7" H 5700 2850 50  0000 C CNN
F 1 "4.7k" H 5736 2950 50  0000 C CNN
F 2 "" V 5890 2940 50  0001 C CNN
F 3 "~" H 5850 2950 50  0001 C CNN
	1    5850 2950
	-1   0    0    1   
$EndComp
Wire Wire Line
	5850 2800 5850 2550
Wire Wire Line
	3350 3300 3350 3450
Wire Wire Line
	3350 3450 4400 3450
$Comp
L Device:R_US R6
U 1 1 612207A8
P 4550 3450
F 0 "R6" V 4450 3250 50  0000 C CNN
F 1 "100" V 4436 3450 50  0000 C CNN
F 2 "" V 4590 3440 50  0001 C CNN
F 3 "~" H 4550 3450 50  0001 C CNN
	1    4550 3450
	0    1    1    0   
$EndComp
$Comp
L Device:C_Small C12
U 1 1 6122AE33
P 4400 3550
F 0 "C12" H 4250 3500 50  0000 C CNN
F 1 "0.1uf" H 4250 3450 50  0000 C CNN
F 2 "" H 4400 3550 50  0001 C CNN
F 3 "~" H 4400 3550 50  0001 C CNN
	1    4400 3550
	-1   0    0    -1  
$EndComp
Connection ~ 4400 3450
$Comp
L power:GND #PWR022
U 1 1 6122BE12
P 4400 3650
F 0 "#PWR022" H 4400 3400 50  0001 C CNN
F 1 "GND" H 4405 3477 50  0000 C CNN
F 2 "" H 4400 3650 50  0001 C CNN
F 3 "" H 4400 3650 50  0001 C CNN
	1    4400 3650
	1    0    0    -1  
$EndComp
$Comp
L Device:R_US R10
U 1 1 6123C225
P 7200 3150
F 0 "R10" V 7100 3000 50  0000 C CNN
F 1 "100" V 7100 3200 50  0000 C CNN
F 2 "" V 7240 3140 50  0001 C CNN
F 3 "~" H 7200 3150 50  0001 C CNN
	1    7200 3150
	0    1    1    0   
$EndComp
$Comp
L Device:C_Small C17
U 1 1 6123E46B
P 7350 3250
F 0 "C17" H 7100 3250 50  0000 C CNN
F 1 "0.1uf" H 7150 3350 50  0000 C CNN
F 2 "" H 7350 3250 50  0001 C CNN
F 3 "~" H 7350 3250 50  0001 C CNN
	1    7350 3250
	1    0    0    1   
$EndComp
Wire Wire Line
	8150 3000 8150 3150
$Comp
L WA2MZE:+12RX #PWR030
U 1 1 6126898F
P 7250 2000
F 0 "#PWR030" H 7250 1850 50  0001 C CNN
F 1 "+12RX" V 7265 2128 50  0000 L CNN
F 2 "" H 7250 2000 50  0001 C CNN
F 3 "" H 7250 2000 50  0001 C CNN
	1    7250 2000
	0    1    1    0   
$EndComp
$Comp
L WA2MZE:+12RX #PWR031
U 1 1 6126E987
P 7250 2800
F 0 "#PWR031" H 7250 2650 50  0001 C CNN
F 1 "+12RX" V 7300 2800 50  0000 L CNN
F 2 "" H 7250 2800 50  0001 C CNN
F 3 "" H 7250 2800 50  0001 C CNN
	1    7250 2800
	0    1    1    0   
$EndComp
$Comp
L Amplifier_Operational:LM358 U9
U 1 1 6129E75E
P 10300 2300
F 0 "U9" H 10300 2667 50  0000 C CNN
F 1 "LM358" H 10300 2576 50  0000 C CNN
F 2 "" H 10300 2300 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lm2904-n.pdf" H 10300 2300 50  0001 C CNN
	1    10300 2300
	1    0    0    -1  
$EndComp
$Comp
L Amplifier_Operational:LM358 U9
U 2 1 612A5ED1
P 11750 2300
F 0 "U9" H 11850 2600 50  0000 C CNN
F 1 "LM358" H 11850 2500 50  0000 C CNN
F 2 "" H 11750 2300 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lm2904-n.pdf" H 11750 2300 50  0001 C CNN
	2    11750 2300
	1    0    0    -1  
$EndComp
$Comp
L Amplifier_Operational:LM358 U9
U 3 1 612A7EE8
P 11750 2300
F 0 "U9" H 12000 3700 50  0001 L CNN
F 1 "LM358" H 11708 2255 50  0001 L CNN
F 2 "" H 11750 2300 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lm2904-n.pdf" H 11750 2300 50  0001 C CNN
	3    11750 2300
	1    0    0    -1  
$EndComp
$Comp
L Amplifier_Operational:LM741 U8
U 1 1 612D5E83
P 9300 4300
F 0 "U8" H 9450 4600 50  0000 C CNN
F 1 "LM741" H 9450 4500 50  0000 C CNN
F 2 "" H 9350 4350 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lm741.pdf" H 9450 4450 50  0001 C CNN
	1    9300 4300
	-1   0    0    -1  
$EndComp
$Comp
L Device:R_US R18
U 1 1 612E4B60
P 9800 4050
F 0 "R18" H 9650 4000 50  0000 C CNN
F 1 "10k" H 9650 4100 50  0000 C CNN
F 2 "" V 9840 4040 50  0001 C CNN
F 3 "~" H 9800 4050 50  0001 C CNN
	1    9800 4050
	-1   0    0    1   
$EndComp
$Comp
L Device:R_US R17
U 1 1 612E5BD0
P 9800 3750
F 0 "R17" H 9650 3600 50  0000 C CNN
F 1 "10k" H 9650 3700 50  0000 C CNN
F 2 "" V 9840 3740 50  0001 C CNN
F 3 "~" H 9800 3750 50  0001 C CNN
	1    9800 3750
	-1   0    0    1   
$EndComp
$Comp
L power:GND #PWR040
U 1 1 61301873
P 9600 4600
F 0 "#PWR040" H 9600 4350 50  0001 C CNN
F 1 "GND" H 9600 4450 50  0000 C CNN
F 2 "" H 9600 4600 50  0001 C CNN
F 3 "" H 9600 4600 50  0001 C CNN
	1    9600 4600
	1    0    0    -1  
$EndComp
$Comp
L WA2MZE:+12TX #PWR041
U 1 1 6130B68C
P 9800 3450
F 0 "#PWR041" H 9800 3300 50  0001 C CNN
F 1 "+12TX" H 9815 3623 50  0000 C CNN
F 2 "" H 9800 3450 50  0001 C CNN
F 3 "" H 9800 3450 50  0001 C CNN
	1    9800 3450
	1    0    0    -1  
$EndComp
Connection ~ 9800 3900
$Comp
L Device:CP1_Small C29
U 1 1 6132E686
P 10150 4050
F 0 "C29" H 10350 4100 50  0000 C CNN
F 1 "1uf" H 10350 4000 50  0000 C CNN
F 2 "" H 10150 4050 50  0001 C CNN
F 3 "~" H 10150 4050 50  0001 C CNN
	1    10150 4050
	1    0    0    -1  
$EndComp
Wire Wire Line
	9800 3900 10150 3900
Wire Wire Line
	10150 3900 10150 3950
Wire Wire Line
	10150 4150 10150 4200
Wire Wire Line
	10150 4200 9800 4200
Wire Wire Line
	9400 4600 9600 4600
Wire Wire Line
	9600 4600 9800 4600
Connection ~ 9600 4600
Wire Wire Line
	9800 3900 9600 3900
Wire Wire Line
	9600 3900 9600 4200
Wire Wire Line
	9800 4200 9800 4600
Connection ~ 9800 4200
$Comp
L Device:R_US R21
U 1 1 6135E34F
P 10000 4400
F 0 "R21" V 9795 4400 50  0000 C CNN
F 1 "4.7k" V 9886 4400 50  0000 C CNN
F 2 "" V 10040 4390 50  0001 C CNN
F 3 "~" H 10000 4400 50  0001 C CNN
	1    10000 4400
	0    -1   -1   0   
$EndComp
Wire Wire Line
	9600 4400 9850 4400
Wire Wire Line
	9850 4400 9850 4900
Wire Wire Line
	9850 4900 9800 4900
Connection ~ 9850 4400
Wire Wire Line
	9500 4900 9000 4900
Wire Wire Line
	9000 4900 9000 4300
$Comp
L Device:R_Variable_US R16
U 1 1 6136E721
P 9650 4900
F 0 "R16" V 9550 4900 50  0000 C CNN
F 1 "100K" V 9500 4900 50  0000 C CNN
F 2 "" V 9580 4900 50  0001 C CNN
F 3 "~" H 9650 4900 50  0001 C CNN
	1    9650 4900
	0    -1   -1   0   
$EndComp
Wire Wire Line
	8900 3350 9000 3350
Wire Wire Line
	9000 3350 9000 4300
Connection ~ 9000 4300
$Comp
L Device:CP1_Small C30
U 1 1 6139E5D9
P 10250 4400
F 0 "C30" V 10100 4500 50  0000 C CNN
F 1 "1uf" V 10100 4350 50  0000 C CNN
F 2 "" H 10250 4400 50  0001 C CNN
F 3 "~" H 10250 4400 50  0001 C CNN
	1    10250 4400
	0    -1   -1   0   
$EndComp
$Comp
L Device:R_US R15
U 1 1 613B2C4E
P 9400 3700
F 0 "R15" H 9600 3600 50  0000 C CNN
F 1 "100" H 9600 3700 50  0000 C CNN
F 2 "" V 9440 3690 50  0001 C CNN
F 3 "~" H 9400 3700 50  0001 C CNN
	1    9400 3700
	-1   0    0    1   
$EndComp
$Comp
L Device:CP1_Small C25
U 1 1 613B623E
P 8800 4100
F 0 "C25" H 9000 4150 50  0000 C CNN
F 1 "1uf" H 9000 4050 50  0000 C CNN
F 2 "" H 8800 4100 50  0001 C CNN
F 3 "~" H 8800 4100 50  0001 C CNN
	1    8800 4100
	-1   0    0    -1  
$EndComp
$Comp
L power:GND #PWR036
U 1 1 613B84D5
P 8800 4200
F 0 "#PWR036" H 8800 3950 50  0001 C CNN
F 1 "GND" H 8800 4050 50  0000 C CNN
F 2 "" H 8800 4200 50  0001 C CNN
F 3 "" H 8800 4200 50  0001 C CNN
	1    8800 4200
	1    0    0    -1  
$EndComp
Wire Wire Line
	9800 3450 9800 3550
Wire Wire Line
	9400 3550 9800 3550
Connection ~ 9800 3550
Wire Wire Line
	9800 3550 9800 3600
Wire Wire Line
	9400 3850 9400 3900
Wire Wire Line
	8800 4000 8800 3900
Wire Wire Line
	8800 3900 9400 3900
Connection ~ 9400 3900
Wire Wire Line
	9400 3900 9400 4000
Wire Wire Line
	5950 3400 5850 3400
Wire Wire Line
	5850 3400 5850 3100
$Comp
L power:GND #PWR044
U 1 1 616E700B
P 11350 2900
F 0 "#PWR044" H 11350 2650 50  0001 C CNN
F 1 "GND" H 11350 2750 50  0000 C CNN
F 2 "" H 11350 2900 50  0001 C CNN
F 3 "" H 11350 2900 50  0001 C CNN
	1    11350 2900
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C1
U 1 1 6174D131
P 1750 3450
F 0 "C1" H 1900 3600 50  0000 C CNN
F 1 "0.1uf" H 1900 3550 50  0000 C CNN
F 2 "" H 1750 3450 50  0001 C CNN
F 3 "~" H 1750 3450 50  0001 C CNN
	1    1750 3450
	-1   0    0    -1  
$EndComp
$Comp
L power:GND #PWR02
U 1 1 6174E6BA
P 1750 3550
F 0 "#PWR02" H 1750 3300 50  0001 C CNN
F 1 "GND" H 1755 3377 50  0000 C CNN
F 2 "" H 1750 3550 50  0001 C CNN
F 3 "" H 1750 3550 50  0001 C CNN
	1    1750 3550
	1    0    0    -1  
$EndComp
Wire Wire Line
	1750 3350 2000 3350
Connection ~ 2000 3350
$Comp
L Device:C_Small C5
U 1 1 6175ACC2
P 2500 1800
F 0 "C5" V 2750 1750 50  0000 C CNN
F 1 "0.1uf" V 2650 1750 50  0000 C CNN
F 2 "" H 2500 1800 50  0001 C CNN
F 3 "~" H 2500 1800 50  0001 C CNN
	1    2500 1800
	0    1    -1   0   
$EndComp
Wire Wire Line
	2600 1950 2600 1800
Connection ~ 2600 1800
$Comp
L power:GND #PWR013
U 1 1 617801E2
P 2400 1800
F 0 "#PWR013" H 2400 1550 50  0001 C CNN
F 1 "GND" H 2405 1627 50  0000 C CNN
F 2 "" H 2400 1800 50  0001 C CNN
F 3 "" H 2400 1800 50  0001 C CNN
	1    2400 1800
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR032
U 1 1 617FA6A4
P 7350 3350
F 0 "#PWR032" H 7350 3100 50  0001 C CNN
F 1 "GND" H 7350 3200 50  0000 C CNN
F 2 "" H 7350 3350 50  0001 C CNN
F 3 "" H 7350 3350 50  0001 C CNN
	1    7350 3350
	1    0    0    -1  
$EndComp
Wire Wire Line
	7350 3150 8150 3150
Connection ~ 7350 3150
$Comp
L Diode:1N4148 D1
U 1 1 610B7695
P 10750 2300
F 0 "D1" H 10750 2517 50  0000 C CNN
F 1 "1N4148" H 10750 2426 50  0000 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 10750 2125 50  0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 10750 2300 50  0001 C CNN
	1    10750 2300
	-1   0    0    -1  
$EndComp
$Comp
L Device:R_US R23
U 1 1 610BF909
P 10450 2700
F 0 "R23" V 10245 2700 50  0000 C CNN
F 1 "1.5m" V 10336 2700 50  0000 C CNN
F 2 "" V 10490 2690 50  0001 C CNN
F 3 "~" H 10450 2700 50  0001 C CNN
	1    10450 2700
	0    1    1    0   
$EndComp
$Comp
L Device:R_US R24
U 1 1 610C19E1
P 11050 2300
F 0 "R24" V 10845 2300 50  0000 C CNN
F 1 "1m" V 10936 2300 50  0000 C CNN
F 2 "" V 11090 2290 50  0001 C CNN
F 3 "~" H 11050 2300 50  0001 C CNN
	1    11050 2300
	0    1    1    0   
$EndComp
$Comp
L Device:R_US R19
U 1 1 610C341F
P 9850 1750
F 0 "R19" V 9645 1750 50  0000 C CNN
F 1 "47k" V 9736 1750 50  0000 C CNN
F 2 "" V 9890 1740 50  0001 C CNN
F 3 "~" H 9850 1750 50  0001 C CNN
	1    9850 1750
	0    1    1    0   
$EndComp
$Comp
L Device:R_US R22
U 1 1 610C4C91
P 10250 1750
F 0 "R22" V 10045 1750 50  0000 C CNN
F 1 "47k" V 10136 1750 50  0000 C CNN
F 2 "" V 10290 1740 50  0001 C CNN
F 3 "~" H 10250 1750 50  0001 C CNN
	1    10250 1750
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR039
U 1 1 610C66D0
P 9450 1750
F 0 "#PWR039" H 9450 1500 50  0001 C CNN
F 1 "GND" H 9450 1600 50  0000 C CNN
F 2 "" H 9450 1750 50  0001 C CNN
F 3 "" H 9450 1750 50  0001 C CNN
	1    9450 1750
	1    0    0    -1  
$EndComp
Wire Wire Line
	9700 1750 9450 1750
Wire Wire Line
	10000 2200 10000 2000
Wire Wire Line
	10000 1750 10100 1750
Connection ~ 10000 1750
Wire Wire Line
	10600 2300 10600 2700
Connection ~ 10600 2300
$Comp
L Device:C_Small C28
U 1 1 610FEF15
P 9900 2000
F 0 "C28" V 9800 1850 50  0000 C CNN
F 1 ".1uf" V 9750 1850 50  0000 C CNN
F 2 "" H 9900 2000 50  0001 C CNN
F 3 "~" H 9900 2000 50  0001 C CNN
	1    9900 2000
	0    1    -1   0   
$EndComp
Connection ~ 10000 2000
Wire Wire Line
	10000 2000 10000 1750
Wire Wire Line
	9800 2000 9700 2000
Wire Wire Line
	9700 2000 9700 1750
Connection ~ 9700 1750
Wire Wire Line
	10300 2700 10000 2700
Wire Wire Line
	10000 2700 10000 2400
$Comp
L Device:C_Small C27
U 1 1 61112608
P 9600 2400
F 0 "C27" V 9500 2250 50  0000 C CNN
F 1 ".1uf" V 9450 2250 50  0000 C CNN
F 2 "" H 9600 2400 50  0001 C CNN
F 3 "~" H 9600 2400 50  0001 C CNN
	1    9600 2400
	0    1    -1   0   
$EndComp
Connection ~ 10000 2400
Wire Wire Line
	11200 2300 11300 2300
Wire Wire Line
	11300 2300 11300 2200
Wire Wire Line
	11300 2200 11450 2200
Wire Wire Line
	11450 2400 11300 2400
$Comp
L Diode:1N4148 D2
U 1 1 61134788
P 12200 2300
F 0 "D2" H 12200 2517 50  0000 C CNN
F 1 "1N4148" H 12200 2426 50  0000 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 12200 2125 50  0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 12200 2300 50  0001 C CNN
	1    12200 2300
	-1   0    0    -1  
$EndComp
Wire Wire Line
	10400 1750 11350 1750
Wire Wire Line
	11650 1750 11650 2000
$Comp
L Device:R_US R25
U 1 1 6113FCF1
P 11200 2600
F 0 "R25" H 11100 2700 50  0000 C CNN
F 1 "10m" H 11100 2800 50  0000 C CNN
F 2 "" V 11240 2590 50  0001 C CNN
F 3 "~" H 11200 2600 50  0001 C CNN
	1    11200 2600
	-1   0    0    1   
$EndComp
$Comp
L Device:C_Small C31
U 1 1 611441D6
P 11050 2650
F 0 "C31" H 10950 2750 50  0000 C CNN
F 1 ".1uf" H 10950 2850 50  0000 C CNN
F 2 "" H 11050 2650 50  0001 C CNN
F 3 "~" H 11050 2650 50  0001 C CNN
	1    11050 2650
	1    0    0    1   
$EndComp
Wire Wire Line
	11650 2600 11650 2900
Wire Wire Line
	11650 2900 11350 2900
Wire Wire Line
	11050 2900 11050 2750
Wire Wire Line
	11200 2750 11200 2900
Connection ~ 11200 2900
Wire Wire Line
	11200 2900 11050 2900
Wire Wire Line
	11200 2450 11200 2400
Connection ~ 11200 2300
Wire Wire Line
	11050 2550 11050 2400
Wire Wire Line
	11050 2400 11200 2400
Connection ~ 11200 2400
Wire Wire Line
	11200 2400 11200 2300
Wire Wire Line
	12050 2300 12050 2650
Wire Wire Line
	12050 2650 11300 2650
Wire Wire Line
	11300 2650 11300 2400
Connection ~ 12050 2300
$Comp
L Device:R_US R20
U 1 1 61182F3D
P 9850 2400
F 0 "R20" V 9950 2400 50  0000 C CNN
F 1 "4.7k" V 10050 2400 50  0000 C CNN
F 2 "" V 9890 2390 50  0001 C CNN
F 3 "~" H 9850 2400 50  0001 C CNN
	1    9850 2400
	0    1    1    0   
$EndComp
Text GLabel 12400 2300 2    50   Input ~ 0
agc
Wire Wire Line
	12400 2300 12350 2300
$Comp
L Device:R_US R26
U 1 1 611988B5
P 11800 1750
F 0 "R26" V 11900 1750 50  0000 C CNN
F 1 "100" V 12000 1750 50  0000 C CNN
F 2 "" V 11840 1740 50  0001 C CNN
F 3 "~" H 11800 1750 50  0001 C CNN
	1    11800 1750
	0    -1   -1   0   
$EndComp
Connection ~ 11650 1750
$Comp
L WA2MZE:+12RX #PWR045
U 1 1 6119B872
P 11950 1750
F 0 "#PWR045" H 11950 1600 50  0001 C CNN
F 1 "+12RX" V 11965 1878 50  0000 L CNN
F 2 "" H 11950 1750 50  0001 C CNN
F 3 "" H 11950 1750 50  0001 C CNN
	1    11950 1750
	0    1    1    0   
$EndComp
$Comp
L Device:CP1_Small C32
U 1 1 611A1E7D
P 11350 1850
F 0 "C32" H 11550 1900 50  0000 C CNN
F 1 "1uf" H 11550 1800 50  0000 C CNN
F 2 "" H 11350 1850 50  0001 C CNN
F 3 "~" H 11350 1850 50  0001 C CNN
	1    11350 1850
	1    0    0    -1  
$EndComp
Connection ~ 11350 1750
Wire Wire Line
	11350 1750 11650 1750
$Comp
L power:GND #PWR043
U 1 1 611A56FB
P 11350 1950
F 0 "#PWR043" H 11350 1700 50  0001 C CNN
F 1 "GND" H 11350 1800 50  0000 C CNN
F 2 "" H 11350 1950 50  0001 C CNN
F 3 "" H 11350 1950 50  0001 C CNN
	1    11350 1950
	1    0    0    -1  
$EndComp
$Comp
L Device:CP1_Small C21
U 1 1 611A77AA
P 8500 2000
F 0 "C21" H 8700 2050 50  0000 C CNN
F 1 "1uf" H 8700 1950 50  0000 C CNN
F 2 "" H 8500 2000 50  0001 C CNN
F 3 "~" H 8500 2000 50  0001 C CNN
	1    8500 2000
	0    -1   -1   0   
$EndComp
Wire Wire Line
	8350 2250 8350 2000
Wire Wire Line
	8350 2000 8400 2000
Text GLabel 8700 2000 2    50   Input ~ 0
AF
Wire Wire Line
	8600 2000 8700 2000
$Comp
L Device:R_POT_US RV2
U 1 1 611BF090
P 9250 2400
F 0 "RV2" H 9183 2446 50  0000 R CNN
F 1 "100k" H 9183 2355 50  0000 R CNN
F 2 "" H 9250 2400 50  0001 C CNN
F 3 "~" H 9250 2400 50  0001 C CNN
	1    9250 2400
	1    0    0    -1  
$EndComp
Wire Wire Line
	9500 2400 9400 2400
$Comp
L Device:C_Small C20
U 1 1 611C7329
P 8450 2250
F 0 "C20" V 8500 2400 50  0000 C CNN
F 1 ".1uf" V 8400 2400 50  0000 C CNN
F 2 "" H 8450 2250 50  0001 C CNN
F 3 "~" H 8450 2250 50  0001 C CNN
	1    8450 2250
	0    1    -1   0   
$EndComp
Connection ~ 8350 2250
Wire Wire Line
	9250 2250 8550 2250
Text Notes 9050 2200 0    50   ~ 0
AGC Threshold
$Comp
L Connector_Generic:Conn_01x01 J7
U 1 1 6135F55B
P 12600 3550
F 0 "J7" H 12750 3750 50  0000 C CNN
F 1 "AGC" H 12700 3650 50  0000 C CNN
F 2 "" H 12600 3550 50  0001 C CNN
F 3 "~" H 12600 3550 50  0001 C CNN
	1    12600 3550
	1    0    0    -1  
$EndComp
$Comp
L Connector_Generic:Conn_01x01 J9
U 1 1 613AD5C9
P 12600 4400
F 0 "J9" H 12750 4600 50  0000 C CNN
F 1 "MIKE" H 12700 4500 50  0000 C CNN
F 2 "" H 12600 4400 50  0001 C CNN
F 3 "~" H 12600 4400 50  0001 C CNN
	1    12600 4400
	1    0    0    -1  
$EndComp
Wire Wire Line
	12350 2300 12350 3550
Wire Wire Line
	12350 3550 12400 3550
Connection ~ 12350 2300
Wire Wire Line
	10350 4400 12400 4400
Text GLabel 5950 3400 2    50   Input ~ 0
agc
$Comp
L Connector_Generic:Conn_01x01 J8
U 1 1 61531A09
P 12600 3950
F 0 "J8" H 12750 4150 50  0000 C CNN
F 1 "Rx-Audio-Out" H 12700 4050 50  0000 C CNN
F 2 "" H 12600 3950 50  0001 C CNN
F 3 "~" H 12600 3950 50  0001 C CNN
	1    12600 3950
	1    0    0    -1  
$EndComp
Text GLabel 12000 3950 0    50   Input ~ 0
AF
$Comp
L Connector_Generic:Conn_01x01 J10
U 1 1 61551028
P 12600 4750
F 0 "J10" H 12750 4950 50  0000 C CNN
F 1 "Tx / ~Rx~" H 12700 4850 50  0000 C CNN
F 2 "" H 12600 4750 50  0001 C CNN
F 3 "~" H 12600 4750 50  0001 C CNN
	1    12600 4750
	1    0    0    1   
$EndComp
Text GLabel 12400 4750 0    50   Input ~ 0
tx
Text Notes 6450 6950 0    50   ~ 0
2: R16 (mike gain) could be a ten turn pot for easier adj.
Text Notes 6450 7050 0    50   ~ 0
3: U8 LM741 Pins 5 and 1 NC
Text Notes 9200 4700 0    50   ~ 0
nc
$Comp
L mze_lib:coax TL3
U 1 1 61639181
P 6800 2950
F 0 "TL3" H 6650 2600 50  0000 C CNN
F 1 "RG179U or twisted pair" H 6500 2850 50  0000 C CNN
F 2 "" H 6800 2950 50  0001 C CNN
F 3 "" H 6800 2950 50  0001 C CNN
	1    6800 2950
	1    0    0    -1  
$EndComp
Wire Wire Line
	7750 2950 7000 2950
Wire Wire Line
	6600 2950 6600 3150
$Comp
L power:GND #PWR025
U 1 1 6169E0BA
P 5750 3300
F 0 "#PWR025" H 5750 3050 50  0001 C CNN
F 1 "GND" H 5750 3150 50  0000 C CNN
F 2 "" H 5750 3300 50  0001 C CNN
F 3 "" H 5750 3300 50  0001 C CNN
	1    5750 3300
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR027
U 1 1 6169F90C
P 6800 3250
F 0 "#PWR027" H 6800 3000 50  0001 C CNN
F 1 "GND" H 6800 3100 50  0000 C CNN
F 2 "" H 6800 3250 50  0001 C CNN
F 3 "" H 6800 3250 50  0001 C CNN
	1    6800 3250
	1    0    0    -1  
$EndComp
Wire Wire Line
	6800 3100 6800 3250
Wire Wire Line
	6600 3150 5550 3150
$Comp
L mze_lib:coax TL2
U 1 1 61709C8C
P 2500 4500
F 0 "TL2" H 2350 4150 50  0000 C CNN
F 1 "RG179U" H 2350 4250 50  0000 C CNN
F 2 "" H 2500 4500 50  0001 C CNN
F 3 "" H 2500 4500 50  0001 C CNN
	1    2500 4500
	1    0    0    -1  
$EndComp
Wire Wire Line
	2050 4500 2300 4500
Connection ~ 2050 4500
Wire Wire Line
	2050 4800 2500 4800
Wire Wire Line
	2500 4800 2500 4650
Connection ~ 2050 4800
Wire Wire Line
	4050 4500 2700 4500
$Comp
L mze_lib:coax TL1
U 1 1 61767D8E
P 1550 2650
F 0 "TL1" H 1400 2450 50  0000 C CNN
F 1 "RG179U" H 1400 2550 50  0000 C CNN
F 2 "" H 1550 2650 50  0001 C CNN
F 3 "" H 1550 2650 50  0001 C CNN
	1    1550 2650
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR01
U 1 1 6177356D
P 1550 2800
F 0 "#PWR01" H 1550 2550 50  0001 C CNN
F 1 "GND" H 1555 2627 50  0000 C CNN
F 2 "" H 1550 2800 50  0001 C CNN
F 3 "" H 1550 2800 50  0001 C CNN
	1    1550 2800
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C11
U 1 1 6178DA3B
P 3800 2950
F 0 "C11" V 3850 3050 50  0000 C CNN
F 1 ".01uf" V 3750 3100 50  0000 C CNN
F 2 "" H 3800 2950 50  0001 C CNN
F 3 "~" H 3800 2950 50  0001 C CNN
	1    3800 2950
	0    1    -1   0   
$EndComp
Wire Wire Line
	3550 2950 3700 2950
Wire Wire Line
	3900 2950 4050 2950
Connection ~ 11350 2900
Wire Wire Line
	11350 2900 11200 2900
$Comp
L power:GND #PWR038
U 1 1 611287C2
P 9250 2550
F 0 "#PWR038" H 9250 2300 50  0001 C CNN
F 1 "GND" H 9250 2400 50  0000 C CNN
F 2 "" H 9250 2550 50  0001 C CNN
F 3 "" H 9250 2550 50  0001 C CNN
	1    9250 2550
	1    0    0    -1  
$EndComp
$Comp
L Diode:1N4148 D1a
U 1 1 612103AB
P 10950 3400
F 0 "D1a" H 10950 3617 50  0000 C CNN
F 1 "1N4148" H 10950 3526 50  0000 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 10950 3225 50  0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 10950 3400 50  0001 C CNN
	1    10950 3400
	-1   0    0    -1  
$EndComp
$Comp
L Diode:1N4148 D1b
U 1 1 612132A8
P 10800 3550
F 0 "D1b" V 10800 3350 50  0000 C CNN
F 1 "1N4148" V 10900 3350 50  0000 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 10800 3375 50  0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 10800 3550 50  0001 C CNN
	1    10800 3550
	0    -1   1    0   
$EndComp
$Comp
L power:GND #PWR042
U 1 1 61216AC0
P 10800 3700
F 0 "#PWR042" H 10800 3450 50  0001 C CNN
F 1 "GND" H 10800 3550 50  0000 C CNN
F 2 "" H 10800 3700 50  0001 C CNN
F 3 "" H 10800 3700 50  0001 C CNN
	1    10800 3700
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C31a
U 1 1 6121A6DA
P 10700 3400
F 0 "C31a" V 10500 3600 50  0000 C CNN
F 1 "1uf" V 10600 3600 50  0000 C CNN
F 2 "" H 10700 3400 50  0001 C CNN
F 3 "~" H 10700 3400 50  0001 C CNN
	1    10700 3400
	0    -1   1    0   
$EndComp
Connection ~ 10800 3400
$Comp
L Device:R_US R24a
U 1 1 6123F0C7
P 11250 3400
F 0 "R24a" V 11045 3400 50  0000 C CNN
F 1 "1m" V 11136 3400 50  0000 C CNN
F 2 "" V 11290 3390 50  0001 C CNN
F 3 "~" H 11250 3400 50  0001 C CNN
	1    11250 3400
	0    1    1    0   
$EndComp
Text GLabel 10600 3400 0    50   Input ~ 0
U9A-p1
Text GLabel 11400 3400 2    50   Input ~ 0
U9b-p5
Text Notes 11000 3900 0    50   ~ 0
Alternate Voltage Doubler \nAGC rectifier
Wire Wire Line
	6950 2500 7250 2500
Connection ~ 7250 2500
Wire Wire Line
	7100 2450 6650 2450
Wire Wire Line
	7100 2150 6650 2150
Wire Wire Line
	6650 2150 6650 2200
Wire Wire Line
	7400 2150 7550 2150
Wire Wire Line
	7750 2250 7750 2150
Wire Wire Line
	7750 2250 7750 2300
Wire Wire Line
	7750 2300 7600 2300
Wire Wire Line
	7600 2300 7600 3350
Connection ~ 7750 2250
Connection ~ 7600 3350
Wire Wire Line
	5550 2750 5550 3150
$Comp
L mze_lib:coax TL?
U 1 1 612477DD
P 12200 3950
F 0 "TL?" H 12000 3750 50  0000 C CNN
F 1 "Shielded wire" H 12000 3850 50  0000 C CNN
F 2 "" H 12200 3950 50  0001 C CNN
F 3 "" H 12200 3950 50  0001 C CNN
	1    12200 3950
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR?
U 1 1 61267415
P 12200 4100
F 0 "#PWR?" H 12200 3850 50  0001 C CNN
F 1 "GND" H 12200 3950 50  0000 C CNN
F 2 "" H 12200 4100 50  0001 C CNN
F 3 "" H 12200 4100 50  0001 C CNN
	1    12200 4100
	1    0    0    -1  
$EndComp
Text Notes 6450 7150 0    50   ~ 0
4: "TL" RG179U , shielded wire or twisted pairs
$EndSCHEMATC