73 lines
2.0 KiB
Plaintext
73 lines
2.0 KiB
Plaintext
Version 4
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SHEET 1 5945688 13421568
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WIRE 2896 -672 2288 -672
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WIRE 3360 -640 3264 -640
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WIRE 2288 -608 2288 -672
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WIRE 2368 -608 2288 -608
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WIRE 2640 -608 2448 -608
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WIRE 2896 -608 2640 -608
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WIRE 3360 -576 3264 -576
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WIRE 3616 -576 3504 -576
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WIRE 3616 -560 3616 -576
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WIRE 2896 -544 2800 -544
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WIRE 2288 -528 2288 -608
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WIRE 2640 -512 2640 -608
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WIRE 3504 -464 3504 -576
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WIRE 3616 -464 3616 -480
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WIRE 2288 -384 2288 -448
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WIRE 2640 -384 2640 -448
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WIRE 2640 -384 2288 -384
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WIRE 2800 -384 2800 -544
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WIRE 2800 -384 2640 -384
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WIRE 2640 -368 2640 -384
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WIRE 2576 -256 2464 -256
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WIRE 2576 -240 2576 -256
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WIRE 2464 -144 2464 -256
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WIRE 2576 -144 2576 -160
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WIRE 2576 -80 2464 -80
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WIRE 2576 -64 2576 -80
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WIRE 2464 32 2464 -80
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WIRE 2576 32 2576 16
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FLAG 2640 -368 0
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FLAG 2576 -144 0
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FLAG 2464 -144 0
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FLAG 2288 -672 bias
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FLAG 3360 -576 cap
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FLAG 3360 -640 res
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FLAG 2576 32 0
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FLAG 2464 32 0
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FLAG 3616 -464 0
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FLAG 3504 -464 0
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SYMBOL voltage 2288 -544 M0
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SYMATTR InstName V1
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SYMATTR Value pwl(0 -10 1m 10)
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SYMBOL res 2352 -624 M90
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WINDOW 0 0 56 VBottom 2
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WINDOW 3 32 56 VTop 2
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SYMATTR InstName R9
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SYMATTR Value 100
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SYMBOL diode 2656 -448 R180
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WINDOW 0 24 72 Left 2
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WINDOW 3 24 0 Left 2
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SYMATTR InstName D1
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SYMATTR Value DX
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SYMBOL bi2 2576 -240 R0
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SYMATTR InstName B1
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SYMATTR Value I={Cjo}/(1+max(V(bias),-.5*{Vj})/{Vj})**{m}
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SYMBOL capmeter 2976 -640 R0
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SYMATTR InstName U1
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SYMATTR SpiceLine current=1m freq=3Meg C=.25µ
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SYMBOL bi2 2576 -64 R0
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SYMATTR InstName B2
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SYMATTR Value I=max(0.,({Cjo}/(1-{Fc})**{1+m})*({1-Fc*(1+m)}-{m/Vj}*V(bias)))
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SYMBOL bi2 3616 -560 R0
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SYMATTR InstName B3
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SYMATTR Value I=V(cap)
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TEXT 2256 -328 Left 2 !.tran 1m
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TEXT 2312 -272 Left 2 !.options maxstep=.0125u
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TEXT 2880 -368 Left 2 !.params Cjo=930p m=.75 Vj=1.2 Fc=0.;-.5
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TEXT 2888 -424 Left 2 !.include capometer.sub
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TEXT 2880 -312 Left 2 !.model DX D(Is=0 Cjo={Cjo} m={m} vj={Vj} Fc={Fc} tt=.5u))
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TEXT 2880 -264 Left 2 !*.model DX D(Is=0 Cjo={Cjo} m={m} vj={Vj} Fc={Fc} tt=.5u)
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TEXT 2880 64 Top 1 ;This example schematic is supplied for informational/educational purposes only.
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