Version 4
SHEET 1 1176 920
WIRE 112 -256 -64 -256
WIRE 288 -256 112 -256
WIRE 432 -256 288 -256
WIRE 704 -256 432 -256
WIRE 928 -256 704 -256
WIRE 288 -224 288 -256
WIRE 432 -224 432 -256
WIRE 112 -176 112 -256
WIRE 704 -176 704 -256
WIRE 288 -64 288 -160
WIRE 432 -64 432 -144
WIRE 928 -16 928 -256
WIRE -560 32 -608 32
WIRE 112 32 112 -96
WIRE 112 32 -480 32
WIRE 416 32 112 32
WIRE 528 32 416 32
WIRE 704 32 704 -96
WIRE 704 32 592 32
WIRE 864 32 704 32
WIRE -64 160 -64 -256
WIRE 704 160 704 32
WIRE -720 208 -768 208
WIRE -608 208 -608 32
WIRE -608 208 -656 208
WIRE -560 208 -608 208
WIRE -192 208 -480 208
WIRE -128 208 -192 208
WIRE 928 224 928 80
WIRE 992 224 928 224
WIRE 1120 224 1056 224
WIRE -768 256 -768 208
WIRE 112 256 112 32
WIRE 416 288 416 32
WIRE -64 304 -64 256
WIRE 48 304 -64 304
WIRE -192 400 -192 208
WIRE 928 416 928 224
WIRE 1120 416 1120 224
WIRE -704 512 -768 512
WIRE -576 512 -624 512
WIRE -272 512 -512 512
WIRE -192 512 -192 464
WIRE -192 512 -272 512
WIRE -112 512 -192 512
WIRE -272 544 -272 512
WIRE -112 544 -112 512
WIRE -768 576 -768 512
WIRE -832 592 -944 592
WIRE -800 592 -832 592
WIRE -832 640 -864 640
WIRE -800 640 -832 640
WIRE -864 656 -864 640
WIRE -944 736 -944 592
WIRE -272 736 -272 608
WIRE -112 736 -112 624
WIRE 112 736 112 352
WIRE 416 736 416 352
WIRE 704 736 704 240
WIRE 928 736 928 496
WIRE 1120 736 1120 496
WIRE -944 864 -944 816
WIRE -864 864 -864 736
WIRE -864 864 -944 864
WIRE -768 864 -768 656
WIRE -768 864 -864 864
WIRE -768 880 -768 864
FLAG -112 736 0
FLAG -272 736 0
FLAG 704 736 0
FLAG 416 736 0
FLAG 928 736 0
FLAG 432 -64 0
FLAG 288 -64 0
FLAG 1120 736 0
FLAG -768 256 0
FLAG 112 736 0
FLAG -768 880 0
FLAG -832 592 mod
FLAG -832 640 osc
SYMBOL npn3 -128 160 R0
SYMATTR InstName Q3
SYMATTR Value BC547C
SYMBOL npn3 48 256 R0
SYMATTR InstName Q1
SYMATTR Value BC547C
SYMBOL npn3 864 -16 R0
SYMATTR InstName Q2
SYMATTR Value BC547C
SYMBOL res -576 224 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value 2.2Meg
SYMBOL res -576 48 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R2
SYMATTR Value 2.2Meg
SYMBOL cap -720 224 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C1
SYMATTR Value 1µ
SYMBOL res 96 -192 R0
SYMATTR InstName R3
SYMATTR Value 3.3k
SYMBOL res 688 144 R0
SYMATTR InstName R4
SYMATTR Value 22k
SYMBOL res 688 -192 R0
SYMATTR InstName R5
SYMATTR Value 10k
SYMBOL cap 528 48 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C2
SYMATTR Value 470n
SYMBOL cap -208 400 R0
SYMATTR InstName C3
SYMATTR Value 100p
SYMBOL cap -288 544 R0
SYMATTR InstName C4
SYMATTR Value 70p
SYMBOL ind -128 528 R0
SYMATTR InstName L1
SYMATTR Value 1m
SYMBOL voltage 432 -240 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 1.5
SYMBOL cap 272 -224 R0
SYMATTR InstName C5
SYMATTR Value 100n
SYMBOL res 912 400 R0
SYMATTR InstName R6
SYMATTR Value 100
SYMBOL cap 992 240 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C6
SYMATTR Value 47µ
SYMBOL res 1104 400 R0
SYMATTR InstName R7
SYMATTR Value 64
SYMBOL cap 400 288 R0
SYMATTR InstName C7
SYMATTR Value 1n
SYMBOL voltage -864 752 R180
WINDOW 0 -60 40 Left 2
WINDOW 3 -188 8 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value SINE(0 1 597.298k)
SYMATTR Value2 AC 2
SYMBOL res -608 496 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R8
SYMATTR Value 50
SYMBOL cap -512 496 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C8
SYMATTR Value 1p
SYMBOL bv -768 560 R0
SYMATTR InstName B1
SYMATTR Value V=V(mod)*V(osc) * 100u
SYMBOL voltage -944 832 R180
WINDOW 0 -58 21 Left 2
WINDOW 3 -184 -11 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value SINE(1 0.7 2k)
SYMATTR Value2 AC 2
TEXT -978 904 Left 2 !.ac dec 100 500k 700k