Version 4
SHEET 1 880 680
WIRE 320 -144 240 -144
WIRE 432 -144 320 -144
WIRE 560 -144 432 -144
WIRE 784 -144 560 -144
WIRE 560 -32 560 -64
WIRE 624 -32 560 -32
WIRE 432 16 432 -64
WIRE 624 16 432 16
WIRE 784 32 784 -144
WIRE 80 48 -16 48
WIRE 320 48 320 -64
WIRE 320 48 144 48
WIRE 496 48 320 48
WIRE 560 48 560 -32
WIRE -16 64 -16 48
WIRE 432 80 432 16
WIRE 496 96 496 48
WIRE 80 128 80 48
WIRE 240 128 240 -64
WIRE 240 128 144 128
WIRE 368 128 240 128
WIRE -16 176 -16 144
WIRE 240 192 240 128
WIRE 320 192 320 48
WIRE 432 208 432 176
WIRE 560 208 560 144
WIRE 240 288 240 272
WIRE 320 288 320 272
WIRE 432 304 432 288
WIRE 560 304 560 288
WIRE 784 304 784 112
FLAG 240 288 0
FLAG 320 288 0
FLAG -16 176 0
FLAG 432 304 0
FLAG 560 304 0
FLAG 784 304 0
FLAG 624 -32 OUT1
IOPIN 624 -32 Out
FLAG 624 16 OUT2
IOPIN 624 16 Out
SYMBOL cap 144 32 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value {CP}
SYMBOL res 224 176 R0
WINDOW 0 -47 38 Left 2
WINDOW 3 -66 84 Left 2
SYMATTR InstName R1
SYMATTR Value 33k
SYMBOL res 304 176 R0
SYMATTR InstName R2
SYMATTR Value 33k
SYMBOL Misc\\xtal 144 112 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 48 R0
WINDOW 3 -182 22 Left 2
WINDOW 123 -182 50 Left 2
WINDOW 39 -182 78 Left 2
SYMATTR Value SINE(0 30µ)
SYMATTR Value2 AC 1
SYMATTR SpiceLine Rser=4000
SYMATTR InstName V1
SYMBOL npn 496 48 R0
SYMATTR InstName Q1
SYMATTR Value 2N3904
SYMBOL npn 368 80 R0
SYMATTR InstName Q2
SYMATTR Value 2N3904
SYMBOL res 416 192 R0
SYMATTR InstName R3
SYMATTR Value 100
SYMBOL res 544 192 R0
SYMATTR InstName R4
SYMATTR Value 100
SYMBOL res 416 -160 R0
SYMATTR InstName R5
SYMATTR Value 4.7k
SYMBOL res 544 -160 R0
SYMATTR InstName R6
SYMATTR Value 4.7k
SYMBOL voltage 784 16 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 12
SYMBOL res 224 -160 R0
SYMATTR InstName R7
SYMATTR Value 390k
SYMBOL res 304 -160 R0
SYMATTR InstName R8
SYMATTR Value 390k
TEXT -376 288 Left 2 !.param R=42.5K f0=77500hz Q=70000
TEXT -376 208 Left 2 !.param w=2*pi*f0
TEXT -376 240 Left 2 !.param C = 1/(w*Q*R)
TEXT -376 264 Left 2 !.param L = C*(Q*R)**2
TEXT -376 320 Left 2 !.ac lin 10000 77400 77600
TEXT -448 -88 Left 2 !.step param CP list 2p 2.5p 3p 4p 5p