Version 4
SHEET 1 880 680
WIRE 320 -208 -96 -208
WIRE 496 -208 400 -208
WIRE -96 -96 -96 -208
WIRE 128 -96 -96 -96
WIRE 384 -96 208 -96
WIRE -96 -16 -96 -96
WIRE -32 -16 -96 -16
WIRE 128 -16 48 -16
WIRE 128 16 128 -16
WIRE 384 16 384 -96
WIRE 496 16 496 -208
WIRE 128 48 128 16
WIRE 240 48 240 16
WIRE 384 48 384 16
WIRE 496 48 496 16
WIRE -592 96 -640 96
WIRE -448 96 -592 96
WIRE -240 128 -304 128
WIRE -96 128 -96 -16
WIRE -96 128 -160 128
WIRE -32 128 -96 128
WIRE -640 176 -640 96
WIRE -32 240 -96 240
WIRE -96 272 -96 240
WIRE -640 288 -640 256
WIRE -96 368 -128 368
WIRE 128 368 128 320
WIRE 128 368 -96 368
WIRE -128 400 -128 368
WIRE 240 400 240 320
WIRE 352 400 352 320
WIRE -128 512 -128 480
WIRE 240 512 240 480
WIRE 352 512 352 480
FLAG -96 272 0
FLAG 352 512 0
FLAG 496 -208 LP
FLAG 384 -96 S1
FLAG 384 16 BP
FLAG -592 96 IN
FLAG -640 288 0
FLAG -96 368 CLK
FLAG -128 512 0
FLAG 240 512 0
FLAG 240 16 0
FLAG 496 16 LP
FLAG 128 16 HP
SYMBOL res 112 -80 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R3
SYMATTR Value 20k
SYMBOL res -48 0 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R2
SYMATTR Value 5k
SYMBOL res 304 -192 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R4
SYMATTR Value 10g
SYMBOL res -256 144 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R1
SYMATTR Value 5k
SYMBOL voltage -640 160 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value PWL(0 0.01 50m 5)
SYMBOL voltage -128 384 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value PULSE(0 5 0 5n 5n 995n 2u)
SYMBOL voltage 352 384 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value 5
SYMBOL voltage 240 384 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V4
SYMATTR Value 5
SYMBOL SpecialFunctions\\modulate -448 96 R0
SYMATTR InstName A1
SYMATTR Value2 space 0k mark 10k
SYMBOL LTC1060 128 192 R0
SYMATTR InstName X2
TEXT -608 -64 Left 0 !.tran 25m
TEXT 400 440 Left 0 ;-5V/5V AGND/LP
TEXT 40 440 Left 0 ;0V/5V=100/50
TEXT -432 -200 Left 0 ;f0=fclk/100(50)\nfn=f0\nHolp=R2/R1\nHobp=-R3/R1\nHont1=-R2/R1\nQ=R3/R2