Version 4
SHEET 1 2268 680
WIRE 576 -464 -128 -464
WIRE 704 -464 576 -464
WIRE 848 -464 784 -464
WIRE -128 -448 -128 -464
WIRE 576 -448 576 -464
WIRE -128 -352 -128 -368
WIRE -48 -352 -128 -352
WIRE 0 -352 -48 -352
WIRE 128 -352 0 -352
WIRE 224 -352 128 -352
WIRE 288 -352 224 -352
WIRE 384 -352 352 -352
WIRE 576 -352 576 -368
WIRE 656 -352 576 -352
WIRE 704 -352 656 -352
WIRE 832 -352 704 -352
WIRE 928 -352 832 -352
WIRE 1008 -352 928 -352
WIRE 1104 -352 1072 -352
WIRE 224 -336 224 -352
WIRE 928 -336 928 -352
WIRE -48 -304 -48 -352
WIRE 0 -304 0 -352
WIRE 656 -304 656 -352
WIRE 704 -304 704 -352
WIRE -128 -288 -128 -352
WIRE 128 -288 128 -352
WIRE 576 -288 576 -352
WIRE 832 -288 832 -352
WIRE 224 -240 224 -256
WIRE 224 -240 192 -240
WIRE 928 -240 928 -256
WIRE 928 -240 896 -240
WIRE -48 -160 -48 -240
WIRE 0 -160 0 -224
WIRE 0 -160 -48 -160
WIRE 128 -160 128 -192
WIRE 128 -160 0 -160
WIRE 288 -160 128 -160
WIRE 400 -160 352 -160
WIRE 656 -160 656 -240
WIRE 704 -160 704 -224
WIRE 704 -160 656 -160
WIRE 832 -160 832 -192
WIRE 832 -160 704 -160
WIRE 1120 -160 832 -160
WIRE 2048 -160 1120 -160
WIRE 2160 -160 2112 -160
WIRE 2192 -160 2160 -160
WIRE 0 -144 0 -160
WIRE 704 -144 704 -160
WIRE 1120 -144 1120 -160
WIRE 2192 -128 2192 -160
WIRE 224 -112 224 -240
WIRE 928 -112 928 -240
WIRE -224 -96 -240 -96
WIRE -128 -96 -128 -208
WIRE -128 -96 -160 -96
WIRE -64 -96 -128 -96
WIRE 480 -96 464 -96
WIRE 576 -96 576 -208
WIRE 576 -96 544 -96
WIRE 640 -96 576 -96
WIRE -128 -64 -128 -96
WIRE 576 -64 576 -96
WIRE 1456 -64 1200 -64
WIRE 1552 -64 1456 -64
WIRE 1680 -64 1552 -64
WIRE 1792 -64 1760 -64
WIRE 1456 -48 1456 -64
WIRE 1552 -48 1552 -64
WIRE 1120 -32 1120 -80
WIRE 1200 -32 1200 -64
WIRE 2192 -16 2192 -48
WIRE 0 0 0 -48
WIRE 704 0 704 -48
WIRE -544 48 -576 48
WIRE -496 48 -544 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 400 48 400 -160
WIRE 480 48 400 48
WIRE 576 48 576 16
WIRE 576 48 480 48
WIRE 640 48 576 48
WIRE 1456 48 1456 32
WIRE -576 80 -576 48
WIRE -128 96 -128 48
WIRE 576 96 576 48
WIRE 1120 96 1120 48
WIRE 1200 96 1200 48
WIRE 1200 96 1120 96
WIRE 1552 96 1552 32
WIRE 1552 96 1520 96
WIRE 1632 96 1552 96
WIRE 0 112 0 96
WIRE 704 112 704 96
WIRE 1120 160 1120 96
WIRE 1392 160 1328 160
WIRE 1456 160 1456 144
WIRE 1456 160 1392 160
WIRE 1824 160 1456 160
WIRE 1872 160 1824 160
WIRE -576 208 -576 160
WIRE -128 208 -128 176
WIRE 0 208 0 192
WIRE 576 208 576 176
WIRE 704 208 704 192
WIRE 1200 208 1200 96
WIRE 1264 208 1200 208
WIRE 1456 208 1456 160
WIRE 1552 208 1552 96
WIRE 1632 208 1632 96
WIRE 1200 224 1200 208
WIRE 1120 320 1120 240
WIRE 1200 320 1200 288
WIRE 1200 320 1120 320
WIRE 1328 320 1328 256
WIRE 1328 320 1200 320
WIRE 1456 320 1456 272
WIRE 1456 320 1328 320
WIRE 1552 320 1552 288
WIRE 1552 320 1456 320
WIRE 1632 320 1632 272
WIRE 1632 320 1552 320
WIRE 1552 336 1552 320
WIRE 224 352 224 -32
WIRE 928 352 928 -32
WIRE 928 352 224 352
WIRE 1392 352 1392 160
WIRE 1392 352 928 352
FLAG 0 208 0
FLAG -128 208 0
FLAG -576 208 0
FLAG -368 48 zf1
FLAG -544 48 src
FLAG 384 -352 0
FLAG -240 -96 0
FLAG 704 208 0
FLAG 576 208 0
FLAG 848 -464 0
FLAG 2192 -16 0
FLAG 480 48 zf2
FLAG 2160 -160 zf3
FLAG 1104 -352 0
FLAG 464 -96 0
FLAG 1824 160 AGC
FLAG 1792 -64 0
FLAG 1552 336 0
SYMBOL cap -320 64 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C1
SYMATTR Value 10n
SYMBOL npn -64 -144 R0
SYMATTR InstName Q1
SYMATTR Value BC547C
SYMBOL Misc\\EuropeanResistor -112 -304 M0
SYMATTR InstName R2
SYMATTR Value 15k
SYMBOL npn -64 0 R0
SYMATTR InstName Q2
SYMATTR Value BC547C
SYMBOL Misc\\EuropeanResistor -112 -80 M0
SYMATTR InstName R4
SYMATTR Value 39k
SYMBOL Misc\\EuropeanResistor -112 80 M0
SYMATTR InstName R5
SYMATTR Value 6.8k
SYMBOL voltage -576 64 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 SINE(0 200u 493k)
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 1.5k
SYMBOL ind -16 -320 R0
WINDOW 0 38 35 Left 2
WINDOW 3 22 -1 Left 2
SYMATTR InstName L1
SYMATTR Value 22µ
SYMATTR SpiceLine Rser=3 Rpar=50k
SYMBOL cap -32 -304 M0
SYMATTR InstName C3
SYMATTR Value 4.7n
SYMBOL Misc\\EuropeanResistor -112 -352 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R1
SYMATTR Value 47
SYMBOL cap 352 -368 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C4
SYMATTR Value 100n
SYMBOL cap -160 -112 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C5
SYMATTR Value 10n
SYMBOL Misc\\EuropeanResistor 208 -128 R0
SYMATTR InstName R8
SYMATTR Value 82k
SYMBOL cap 288 -144 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C6
SYMATTR Value 10n
SYMBOL npn 640 -144 R0
SYMATTR InstName Q4
SYMATTR Value BC547C
SYMBOL cap 2048 -144 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C7
SYMATTR Value 10n
SYMBOL Misc\\EuropeanResistor 592 -304 M0
SYMATTR InstName R3
SYMATTR Value 18k
SYMBOL npn 640 0 R0
SYMATTR InstName Q5
SYMATTR Value BC547C
SYMBOL Misc\\EuropeanResistor 592 -80 M0
SYMATTR InstName R10
SYMATTR Value 33k
SYMBOL Misc\\EuropeanResistor 592 80 M0
SYMATTR InstName R11
SYMATTR Value 6.8k
SYMBOL Misc\\battery 688 -464 M90
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value 6V
SYMBOL Misc\\EuropeanResistor 2176 -144 R0
SYMATTR InstName R12
SYMATTR Value 3.5k
SYMBOL ind 688 -320 R0
WINDOW 0 38 35 Left 2
WINDOW 3 22 -1 Left 2
SYMATTR InstName L2
SYMATTR Value 22µ
SYMATTR SpiceLine Rser=3 Rpar=50k
SYMBOL cap 672 -304 M0
SYMATTR InstName C8
SYMATTR Value 4.7n
SYMBOL Misc\\EuropeanResistor 592 -352 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R13
SYMATTR Value 47
SYMBOL cap 1072 -368 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C9
SYMATTR Value 100n
SYMBOL cap 544 -112 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C10
SYMATTR Value 10n
SYMBOL pnp 896 -192 R180
WINDOW 0 73 18 Left 2
WINDOW 3 30 46 Left 2
SYMATTR InstName Q6
SYMATTR Value BC557C
SYMBOL Misc\\EuropeanResistor 912 -128 R0
SYMATTR InstName R14
SYMATTR Value 68k
SYMBOL pnp 192 -192 R180
WINDOW 0 73 18 Left 2
WINDOW 3 30 46 Left 2
SYMATTR InstName Q3
SYMATTR Value BC557C
SYMBOL cap 1440 208 R0
SYMATTR InstName C2
SYMATTR Value 47µ
SYMBOL pnp 1520 144 R180
WINDOW 0 86 83 Left 2
WINDOW 3 29 49 Left 2
SYMATTR InstName Q7
SYMATTR Value BC557C
SYMBOL cap 1616 208 R0
SYMATTR InstName C11
SYMATTR Value 100n
SYMBOL npn 1264 160 R0
SYMATTR InstName Q8
SYMATTR Value BC547C
SYMBOL cap 1136 -144 M0
SYMATTR InstName C12
SYMATTR Value 1n
SYMBOL schottky 1184 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 1136 -48 M0
SYMATTR InstName R21
SYMATTR Value 470
SYMBOL Misc\\EuropeanResistor 1184 -48 R0
SYMATTR InstName R19
SYMATTR Value 1Meg
SYMBOL Misc\\battery 1664 -64 M90
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V4
SYMATTR Value 9V
SYMBOL Misc\\EuropeanResistor 1136 144 M0
SYMATTR InstName R20
SYMATTR Value 56k
SYMBOL Misc\\EuropeanResistor 1472 -64 M0
SYMATTR InstName R16
SYMATTR Value 39k
SYMBOL Misc\\EuropeanResistor 1536 -64 R0
SYMATTR InstName R17
SYMATTR Value 10k
SYMBOL Misc\\EuropeanResistor 1536 192 R0
SYMATTR InstName R9
SYMATTR Value 8.2k
SYMBOL Misc\\EuropeanResistor 912 -352 R0
SYMATTR InstName R7
SYMATTR Value 100k
SYMBOL Misc\\EuropeanResistor 208 -352 R0
SYMATTR InstName R15
SYMATTR Value 100k
SYMBOL Misc\\EuropeanResistor 16 96 M0
SYMATTR InstName R18
SYMATTR Value 10
SYMBOL Misc\\EuropeanResistor 720 96 M0
SYMATTR InstName R22
SYMATTR Value 10
TEXT -560 -208 Left 2 !;ac lin 10k 440k 550k
TEXT -560 -240 Left 2 !.tran 0 100m 0 10n