Version 4
SHEET 1 1844 740
WIRE 480 -592 416 -592
WIRE 704 -592 640 -592
WIRE -336 -480 -368 -480
WIRE -32 -480 -96 -480
WIRE 336 -480 320 -480
WIRE 352 -480 336 -480
WIRE -368 -448 -368 -480
WIRE -96 -448 -96 -480
WIRE 320 -448 320 -480
WIRE -368 -336 -368 -368
WIRE -96 -336 -96 -368
WIRE 320 -336 320 -368
WIRE 704 -336 704 -592
WIRE 736 -336 704 -336
WIRE 832 -336 800 -336
WIRE 944 -336 896 -336
WIRE 832 -304 784 -304
WIRE 944 -304 896 -304
WIRE 416 -240 320 -240
WIRE 592 -240 416 -240
WIRE 320 -208 320 -240
WIRE -160 -192 -384 -192
WIRE 256 -192 -96 -192
WIRE 784 -176 784 -304
WIRE 592 -144 592 -240
WIRE 624 -144 592 -144
WIRE 784 -144 784 -176
WIRE 784 -144 720 -144
WIRE 320 -96 320 -128
WIRE 624 -96 592 -96
WIRE 752 -96 736 -96
WIRE 208 -64 160 -64
WIRE 256 -64 256 -192
WIRE 256 -64 208 -64
WIRE -240 -48 -336 -48
WIRE -144 -48 -240 -48
WIRE 64 -48 -144 -48
WIRE 96 -48 64 -48
WIRE 592 -48 592 -96
WIRE 592 -48 320 -48
WIRE -336 -16 -336 -48
WIRE -240 -16 -240 -48
WIRE -144 -16 -144 -48
WIRE 320 -16 320 -48
WIRE -384 0 -384 -192
WIRE 64 0 64 -48
WIRE -384 96 -384 48
WIRE -336 96 -336 64
WIRE -240 96 -240 48
WIRE -144 96 -144 64
WIRE 64 96 64 80
WIRE 320 96 320 64
FLAG -144 96 0
FLAG -240 96 0
FLAG 208 -64 PP1
FLAG -240 -48 TRI
FLAG -368 -336 0
FLAG -336 -480 FREQ1
IOPIN -336 -480 Out
FLAG -336 96 0
FLAG -384 96 0
FLAG 320 -96 0
FLAG 320 96 0
FLAG 416 -240 PP2
FLAG 320 -336 0
FLAG 336 -480 vr
FLAG 784 -176 sy
FLAG 752 -96 _sy
FLAG -96 -336 0
FLAG -32 -480 vsum
IOPIN -32 -480 Out
FLAG 64 96 0
FLAG 416 -592 PP1
FLAG 944 -336 syg
FLAG 944 -304 _syg
SYMBOL Digital\\schmitt 96 -112 R0
SYMATTR InstName A1
SYMATTR Value2 vt=1 vh=0.1 tripdt=10n trise=10n
SYMBOL cap -256 -16 R0
SYMATTR InstName C1
SYMATTR Value .1µ
SYMBOL bi -144 64 M180
WINDOW 0 24 88 Left 0
WINDOW 3 24 0 Left 0
SYMATTR InstName B1
SYMATTR Value I=20u*V(FREQ1)
SYMBOL bv -368 -464 R0
SYMATTR InstName B4
SYMATTR Value V=2.2
SYMBOL sw -336 80 M180
SYMATTR InstName S1
SYMATTR Value SW1
SYMBOL Digital\\buf1 -96 -128 R180
WINDOW 123 8 4 Left 0
SYMATTR Value2 td=1u
SYMATTR InstName A4
SYMBOL Digital\\srflop 672 -192 R0
WINDOW 123 -40 151 Left 0
SYMATTR Value2 trise=100n
SYMATTR InstName A5
SYMBOL bv 320 -224 R0
SYMATTR InstName B2
SYMATTR Value V=delay(V(pp1),150u)
SYMBOL bv 320 -32 R0
SYMATTR InstName B3
SYMATTR Value V=delay(V(pp2),150u)
SYMBOL bv 320 -464 R0
SYMATTR InstName B5
SYMATTR Value V=IF(V(TRI)>0.2,(V(TRI)-0.2)*0.8,0)
SYMBOL bv -96 -464 R0
SYMATTR InstName B6
SYMATTR Value V=V(vr)+(V(_syg)-1)*0.3
SYMBOL res 48 -16 R0
SYMATTR InstName R1
SYMATTR Value 1G
SYMBOL counter1 560 -640 R0
SYMATTR InstName X1
SYMATTR Value2 cycles=32 duty={1/32}
SYMBOL Digital\\inv 736 -400 R0
SYMATTR InstName A2
SYMBOL Digital\\and 864 -384 R0
SYMATTR InstName A3
TEXT -344 -672 Left 0 !.tran 0 100m 0 .5u
TEXT -344 -632 Left 0 !.options plotwinsize=0
TEXT -344 -560 Left 0 !.ic V(TRI)=0
TEXT -336 -256 Left 0 !.model sw1 sw(Ron=1 Roff=1G Vt=0.5)
TEXT -344 -592 Left 0 !.options nomarch
TEXT -352 -808 Left 0 ;Composite Sync Signal Generator With Missing Sync Pulses\n \nFrequency is proportional to voltage at node FREQ1\nAdjust C1 for the center frequency at the desired control voltage.
TEXT -88 -64 Left 0 ;ramp
TEXT 464 -696 Left 0 ;Missing Sync Pulses
TEXT -48 -136 Left 0 ;Period Ramp Generator
TEXT 368 -184 Left 0 ;Pulse Delay
TEXT 376 8 Left 0 ;Pulse Width
TEXT 800 -200 Left 0 ;Sync
TEXT 848 -392 Left 0 ;Gate