Version 4
SHEET 1 2268 680
WIRE 480 -464 -128 -464
WIRE 608 -464 480 -464
WIRE 752 -464 688 -464
WIRE -128 -448 -128 -464
WIRE 480 -448 480 -464
WIRE -128 -352 -128 -368
WIRE -48 -352 -128 -352
WIRE 0 -352 -48 -352
WIRE 80 -352 0 -352
WIRE 176 -352 144 -352
WIRE 480 -352 480 -368
WIRE 560 -352 480 -352
WIRE 608 -352 560 -352
WIRE 688 -352 608 -352
WIRE 784 -352 752 -352
WIRE -128 -288 -128 -352
WIRE -48 -288 -48 -352
WIRE 0 -288 0 -352
WIRE 480 -288 480 -352
WIRE 560 -288 560 -352
WIRE 608 -288 608 -352
WIRE -48 -160 -48 -224
WIRE 0 -160 0 -208
WIRE 0 -160 -48 -160
WIRE 80 -160 0 -160
WIRE 192 -160 144 -160
WIRE 560 -160 560 -224
WIRE 608 -160 608 -208
WIRE 608 -160 560 -160
WIRE 784 -160 608 -160
WIRE 1456 -160 784 -160
WIRE 1568 -160 1520 -160
WIRE 1600 -160 1568 -160
WIRE 0 -144 0 -160
WIRE 608 -144 608 -160
WIRE 784 -144 784 -160
WIRE 1600 -128 1600 -160
WIRE -320 -96 -336 -96
WIRE -224 -96 -256 -96
WIRE -128 -96 -128 -208
WIRE -128 -96 -224 -96
WIRE -64 -96 -128 -96
WIRE 272 -96 256 -96
WIRE 384 -96 336 -96
WIRE 480 -96 480 -208
WIRE 480 -96 384 -96
WIRE 544 -96 480 -96
WIRE -128 -64 -128 -96
WIRE 480 -64 480 -96
WIRE 1120 -64 864 -64
WIRE 1216 -64 1120 -64
WIRE 1328 -64 1216 -64
WIRE 1440 -64 1408 -64
WIRE 1120 -48 1120 -64
WIRE 1216 -48 1216 -64
WIRE 784 -32 784 -80
WIRE 864 -32 864 -64
WIRE 1600 -16 1600 -48
WIRE 0 0 0 -48
WIRE 608 0 608 -48
WIRE -848 16 -864 16
WIRE -640 48 -704 48
WIRE -496 48 -560 48
WIRE -368 48 -416 48
WIRE -320 48 -368 48
WIRE -128 48 -128 16
WIRE -128 48 -256 48
WIRE -64 48 -128 48
WIRE 192 48 192 -160
WIRE 272 48 192 48
WIRE 480 48 480 16
WIRE 480 48 272 48
WIRE 544 48 480 48
WIRE 1120 48 1120 32
WIRE -912 80 -944 80
WIRE -848 80 -912 80
WIRE -128 96 -128 48
WIRE 480 96 480 48
WIRE 784 96 784 48
WIRE 864 96 864 48
WIRE 864 96 784 96
WIRE 1216 96 1216 32
WIRE 1216 96 1184 96
WIRE 1296 96 1216 96
WIRE -944 112 -944 80
WIRE -864 112 -864 16
WIRE -848 112 -864 112
WIRE 0 112 0 96
WIRE 608 112 608 96
WIRE 784 160 784 96
WIRE 1056 160 992 160
WIRE 1120 160 1120 144
WIRE 1120 160 1056 160
WIRE -224 208 -224 -96
WIRE -128 208 -128 176
WIRE 0 208 0 192
WIRE 384 208 384 -96
WIRE 480 208 480 176
WIRE 608 208 608 192
WIRE 864 208 864 96
WIRE 928 208 864 208
WIRE 1120 208 1120 160
WIRE 1216 208 1216 96
WIRE 1296 208 1296 96
WIRE 864 224 864 208
WIRE -944 240 -944 192
WIRE -864 240 -864 112
WIRE 784 320 784 240
WIRE 864 320 864 288
WIRE 864 320 784 320
WIRE 992 320 992 256
WIRE 992 320 864 320
WIRE 1120 320 1120 272
WIRE 1120 320 992 320
WIRE 1216 320 1216 288
WIRE 1216 320 1120 320
WIRE 1296 320 1296 272
WIRE 1296 320 1216 320
WIRE 1216 336 1216 320
WIRE -224 352 -224 288
WIRE 384 352 384 288
WIRE 384 352 -224 352
WIRE 592 352 384 352
WIRE 1056 352 1056 160
WIRE 1056 352 592 352
FLAG 0 208 0
FLAG -128 208 0
FLAG -944 240 0
FLAG -368 48 zf1
FLAG -912 80 src
FLAG 176 -352 0
FLAG -336 -96 0
FLAG 608 208 0
FLAG 480 208 0
FLAG 752 -464 0
FLAG 1600 -16 0
FLAG 272 48 zf2
FLAG 1568 -160 zf3
FLAG 784 -352 0
FLAG 256 -96 0
FLAG 592 352 AGC
FLAG 1440 -64 0
FLAG 1216 336 0
FLAG -864 240 0
SYMBOL cap -320 64 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C1
SYMATTR Value 1n
SYMBOL npn -64 -144 R0
SYMATTR InstName Q1
SYMATTR Value BC547C
SYMBOL Misc\\EuropeanResistor -112 -304 M0
SYMATTR InstName R2
SYMATTR Value 180k
SYMBOL npn -64 0 R0
SYMATTR InstName Q2
SYMATTR Value BC547C
SYMBOL Misc\\EuropeanResistor -112 -80 M0
SYMATTR InstName R4
SYMATTR Value 330k
SYMBOL Misc\\EuropeanResistor -112 80 M0
SYMATTR InstName R5
SYMATTR Value 68k
SYMBOL voltage -944 96 R0
WINDOW 123 -94 72 Left 2
WINDOW 39 0 0 Left 2
WINDOW 3 -100 111 Left 2
WINDOW 0 -81 32 Left 2
SYMATTR Value2 AC 2
SYMATTR Value PULSE(0 1m 1m 1m 1m 19m 100m)
SYMATTR InstName V2
SYMBOL Misc\\EuropeanResistor -512 64 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R6
SYMATTR Value 19k
SYMBOL ind -16 -304 R0
WINDOW 0 38 35 Left 2
WINDOW 3 22 -1 Left 2
SYMATTR InstName L1
SYMATTR Value 100µ
SYMATTR SpiceLine Rser=3 Rpar=50k
SYMBOL cap -32 -288 M0
SYMATTR InstName C3
SYMATTR Value 1n
SYMBOL Misc\\EuropeanResistor -112 -352 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R1
SYMATTR Value 100
SYMBOL cap 144 -368 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C4
SYMATTR Value 100n
SYMBOL cap -256 -112 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C5
SYMATTR Value 1n
SYMBOL Misc\\EuropeanResistor -208 192 M0
SYMATTR InstName R8
SYMATTR Value 82k
SYMBOL cap 80 -144 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C6
SYMATTR Value 1n
SYMBOL npn 544 -144 R0
SYMATTR InstName Q4
SYMATTR Value BC547C
SYMBOL cap 1456 -144 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C7
SYMATTR Value 1n
SYMBOL Misc\\EuropeanResistor 496 -304 M0
SYMATTR InstName R3
SYMATTR Value 180k
SYMBOL npn 544 0 R0
SYMATTR InstName Q5
SYMATTR Value BC547C
SYMBOL Misc\\EuropeanResistor 496 -80 M0
SYMATTR InstName R10
SYMATTR Value 330k
SYMBOL Misc\\EuropeanResistor 496 80 M0
SYMATTR InstName R11
SYMATTR Value 68k
SYMBOL Misc\\battery 592 -464 M90
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value 9V
SYMBOL Misc\\EuropeanResistor 1584 -144 R0
SYMATTR InstName R12
SYMATTR Value 3.5k
SYMBOL ind 592 -304 R0
WINDOW 0 38 35 Left 2
WINDOW 3 22 -1 Left 2
SYMATTR InstName L2
SYMATTR Value 100µ
SYMATTR SpiceLine Rser=3 Rpar=50k
SYMBOL cap 576 -288 M0
SYMATTR InstName C8
SYMATTR Value 1n
SYMBOL Misc\\EuropeanResistor 496 -352 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R13
SYMATTR Value 100
SYMBOL cap 752 -368 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C9
SYMATTR Value 100n
SYMBOL cap 336 -112 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C10
SYMATTR Value 1n
SYMBOL Misc\\EuropeanResistor 400 192 M0
SYMATTR InstName R14
SYMATTR Value 82k
SYMBOL cap 1104 208 R0
SYMATTR InstName C2
SYMATTR Value 47µ
SYMBOL pnp 1184 144 R180
WINDOW 0 86 83 Left 2
WINDOW 3 29 49 Left 2
SYMATTR InstName Q7
SYMATTR Value BC557C
SYMBOL cap 1280 208 R0
SYMATTR InstName C11
SYMATTR Value 100n
SYMBOL npn 928 160 R0
SYMATTR InstName Q8
SYMATTR Value BC547C
SYMBOL cap 800 -144 M0
SYMATTR InstName C12
SYMATTR Value 1n
SYMBOL schottky 848 288 M180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value BAT43
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL Misc\\EuropeanResistor 800 -48 M0
SYMATTR InstName R21
SYMATTR Value 3.3k
SYMBOL Misc\\EuropeanResistor 848 -48 R0
SYMATTR InstName R19
SYMATTR Value 1Meg
SYMBOL Misc\\battery 1312 -64 M90
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V4
SYMATTR Value 9V
SYMBOL Misc\\EuropeanResistor 800 144 M0
SYMATTR InstName R20
SYMATTR Value 56k
SYMBOL Misc\\EuropeanResistor 1136 -64 M0
SYMATTR InstName R16
SYMATTR Value 47k
SYMBOL Misc\\EuropeanResistor 1200 -64 R0
SYMATTR InstName R17
SYMATTR Value 10k
SYMBOL Misc\\EuropeanResistor 1200 192 R0
SYMATTR InstName R9
SYMATTR Value 8.2k
SYMBOL Misc\\EuropeanResistor 16 96 M0
SYMATTR InstName R18
SYMATTR Value 2.2
SYMBOL Misc\\EuropeanResistor 624 96 M0
SYMATTR InstName R22
SYMATTR Value 2.2
SYMBOL SpecialFunctions\\modulate -848 16 R0
SYMATTR InstName A1
SYMATTR Value2 mark=493k space=493k
SYMBOL voltage -544 48 R90
WINDOW 0 -32 56 VBottom 2
WINDOW 3 32 56 VTop 2
WINDOW 123 60 56 VTop 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value ""
SYMATTR Value2 AC 2
TEXT -560 -208 Left 2 !;ac lin 10k 440k 550k
TEXT -560 -240 Left 2 !.tran 0 250m 0 50n