Version 4
SHEET 1 1104 680
WIRE 704 -464 704 -480
WIRE 336 -448 336 -480
WIRE 576 -448 576 -480
WIRE 240 -416 240 -480
WIRE 704 -368 704 -384
WIRE 336 -320 336 -368
WIRE 432 -320 336 -320
WIRE 576 -320 576 -368
WIRE 576 -320 496 -320
WIRE 640 -320 576 -320
WIRE 336 -288 336 -320
WIRE 576 -272 576 -320
WIRE 128 -256 80 -256
WIRE 240 -256 240 -336
WIRE 240 -256 192 -256
WIRE 288 -256 240 -256
WIRE 704 -256 704 -272
WIRE 816 -256 704 -256
WIRE 704 -240 704 -256
WIRE 336 -144 336 -192
WIRE 576 -144 576 -192
WIRE 576 -144 336 -144
WIRE 704 -144 704 -160
WIRE 704 -144 576 -144
WIRE 976 -144 704 -144
WIRE 704 -128 704 -144
WIRE 336 -96 336 -144
WIRE 576 -96 576 -144
WIRE 80 -32 80 -256
WIRE 80 -32 -16 -32
WIRE 128 -32 80 -32
WIRE 240 -32 192 -32
WIRE 288 -32 240 -32
WIRE 704 -32 704 -48
WIRE 816 -32 704 -32
WIRE 704 -16 704 -32
WIRE -16 0 -16 -32
WIRE 976 0 976 -144
WIRE 336 32 336 0
WIRE 432 32 336 32
WIRE 576 32 576 -16
WIRE 576 32 496 32
WIRE 640 32 576 32
WIRE 240 48 240 -32
WIRE 336 80 336 32
WIRE 576 80 576 32
WIRE 704 96 704 80
WIRE -16 128 -16 80
WIRE 240 192 240 128
WIRE 336 192 336 160
WIRE 576 192 576 160
WIRE 704 192 704 176
WIRE 976 192 976 80
FLAG 576 -480 0
FLAG 576 192 0
FLAG -16 128 0
FLAG 704 -480 0
FLAG 704 192 0
FLAG 976 192 0
FLAG 816 -32 OUT1
IOPIN 816 -32 Out
FLAG 816 -256 OUT2
IOPIN 816 -256 Out
FLAG 336 192 0
FLAG 336 -480 0
FLAG 240 -480 0
FLAG 240 192 0
SYMBOL cap 192 -48 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value {CP}
SYMBOL res 592 -352 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R1
SYMATTR Value 33k
SYMBOL res 592 64 M0
SYMATTR InstName R2
SYMATTR Value 33k
SYMBOL Misc\\xtal 192 -272 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value {C}
SYMATTR SpiceLine Rser=R Lser={L} Rpar=1e20 Cpar=1.2p
SYMBOL voltage -16 -16 R0
WINDOW 3 -239 112 Left 2
WINDOW 123 -182 50 Left 2
WINDOW 39 -182 78 Left 2
SYMATTR Value SINE(0 30µ 77.5k)
SYMATTR Value2 AC 1
SYMATTR SpiceLine Rser=4000
SYMATTR InstName V1
SYMBOL npn 640 -16 R0
SYMATTR InstName Q1
SYMATTR Value 2N3904
SYMBOL npn 640 -272 M180
SYMATTR InstName Q2
SYMATTR Value 2N3904
SYMBOL res 688 -368 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R3
SYMATTR Value 100
SYMBOL res 688 80 R0
SYMATTR InstName R4
SYMATTR Value 100
SYMBOL res 688 -256 R0
SYMATTR InstName R5
SYMATTR Value 4.7k
SYMBOL res 688 -144 R0
SYMATTR InstName R6
SYMATTR Value 4.7k
SYMBOL voltage 976 -16 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 12
SYMBOL res 592 -176 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R7
SYMATTR Value 390k
SYMBOL res 592 -112 M0
SYMATTR InstName R8
SYMATTR Value 390k
SYMBOL njf 288 -96 R0
WINDOW 0 71 16 Left 2
WINDOW 3 29 46 Left 2
SYMATTR InstName J1
SYMATTR Value 2N3819
SYMBOL res 320 64 R0
SYMATTR InstName R9
SYMATTR Value 2.2k
SYMBOL cap 496 16 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 100n
SYMBOL njf 288 -192 M180
WINDOW 0 71 16 Left 2
WINDOW 3 29 46 Left 2
SYMATTR InstName J2
SYMATTR Value 2N3819
SYMBOL res 320 -352 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R10
SYMATTR Value 2.2k
SYMBOL cap 496 -336 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C4
SYMATTR Value 100n
SYMBOL res 256 -432 M0
SYMATTR InstName R11
SYMATTR Value 22k
SYMBOL res 256 32 M0
SYMATTR InstName R12
SYMATTR Value 22k
TEXT -448 -160 Left 2 !.param R=42.5K f0=77500hz Q=70000
TEXT -448 -240 Left 2 !.param w=2*pi*f0
TEXT -448 -208 Left 2 !.param C = 1/(w*Q*R)
TEXT -448 -184 Left 2 !.param L = C*(Q*R)**2
TEXT -448 -432 Left 2 !;tran 0 10s 0 20n
TEXT -448 -88 Left 2 !.step param CP list 0.1p 1.15p 1.2p
TEXT -448 -400 Left 2 !;ac lin 10000 77400 77600
TEXT -448 -368 Left 2 !.ac lin 100k 50k 100k