Version 4
SHEET 1 940 680
WIRE -96 -96 -96 -192
WIRE 0 -96 -96 -96
WIRE 176 -96 176 -192
WIRE 176 -96 128 -96
WIRE 192 -64 128 -64
WIRE -336 -48 -336 -80
WIRE 0 -32 -96 -32
WIRE 352 -32 128 -32
WIRE 688 16 656 16
WIRE 800 16 752 16
WIRE 832 16 800 16
WIRE 192 64 192 -64
WIRE 512 64 192 64
WIRE 656 64 656 16
WIRE 656 64 592 64
WIRE -96 96 -96 -32
WIRE -96 96 -272 96
WIRE -272 128 -272 96
WIRE 512 160 192 160
WIRE 656 160 592 160
WIRE 800 160 800 16
WIRE -96 208 -96 96
WIRE 0 208 -96 208
WIRE 160 208 160 160
WIRE 160 208 128 208
WIRE 656 208 656 160
WIRE -272 240 -272 208
WIRE 192 240 192 160
WIRE 192 240 128 240
WIRE 0 272 -96 272
WIRE 336 272 128 272
WIRE 800 288 800 240
WIRE -96 352 -96 272
WIRE -272 368 -272 320
FLAG -272 368 0
FLAG 656 208 0
FLAG 800 288 0
FLAG 832 16 OUT
IOPIN 832 16 Out
FLAG -96 -192 0
FLAG -96 352 0
FLAG 160 160 0
FLAG 336 272 CLK
IOPIN 336 272 BiDir
FLAG -336 -48 0
FLAG -336 -160 CLK
IOPIN -336 -160 BiDir
FLAG 176 -192 0
FLAG 352 -32 CLK
IOPIN 352 -32 BiDir
SYMBOL voltage -272 224 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 3 -49 222 Left 2
SYMATTR InstName V1
SYMATTR Value SINE(0 1 7e6)
SYMBOL ind2 608 48 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName L1
SYMATTR Value 50µ
SYMATTR Type ind
SYMBOL ind2 608 176 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L2
SYMATTR Value 50µ
SYMATTR Type ind
SYMBOL res 784 144 R0
SYMATTR InstName R1
SYMATTR Value 50
SYMBOL SPDT_SW 64 -64 R180
SYMATTR InstName X1
SYMBOL SPDT_SW 64 240 R180
SYMATTR InstName X2
SYMBOL res -288 112 R0
SYMATTR InstName R2
SYMATTR Value 50
SYMBOL voltage -336 -176 R0
WINDOW 3 312 674 Left 2
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR Value PULSE(-1 1 0 5n 5n {0.5/fclk-5n} {1/fclk})
SYMATTR InstName V2
SYMBOL cap 752 0 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 10n
TEXT 424 344 Left 2 !k1 l1 l2 1
TEXT -272 -296 Left 2 !.param fclk=4e6
TEXT -24 544 Left 2 !.tran 0 100u 0 3n