30 lines
609 B
Plaintext
30 lines
609 B
Plaintext
schmitt ckt - ecl compatible schmitt trigger
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.width in=72
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.opt list node lvlcod=2 noacct
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* The original line is below
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*.opt acct list node lvlcod=2
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.tran 10ns 1000ns
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vin 1 0 pulse(-1.6 -1.2 10ns 400ns 400ns 100ns 10000ns)
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vee 8 0 -5
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rin 1 2 50
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rc1 0 3 50
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r1 3 5 185
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r2 5 8 760
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rc2 0 6 100
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re 4 8 260
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rth1 7 8 125
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rth2 7 0 85
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cload 7 0 5pf
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q1 3 2 4 qstd off
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q2 6 5 4 qstd
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q3 0 6 7 qstd
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q4 0 6 7 qstd
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.model qstd npn(is=1.0e-16 bf=50 br=0.1 rb=50 rc=10 tf=0.12ns tr=5ns
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+ cje=0.4pf pe=0.8 me=0.4 cjc=0.5pf pc=0.8 mc=0.333 ccs=1pf va=50)
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.print tran v(1) v(3) v(5) v(6)
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.plot tran v(3) v(5) v(6) v(1)
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.end
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s
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