21 lines
418 B
Plaintext
21 lines
418 B
Plaintext
rtlinv ckt - cascaded rtl inverters
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.width in=72
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.opt acct list node lvlcod=2
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.dc vin 0.0 2.5 0.025
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.tran 2ns 200ns
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vcc 6 0 5
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vin 1 0 pulse(0 5 2ns 2ns 2ns 80ns)
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rb1 1 2 10k
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rc1 6 3 1k
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q1 3 2 0 qnd
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rb2 3 4 10k
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q2 5 4 0 qnd
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rc2 6 5 1k
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.model qnd npn(bf=50 rb=70 rc=40 ccs=2pf tf=0.1ns tr=10ns cje=0.9pf
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+ cjc=1.5pf pc=0.85 va=50)
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.print dc v(3) v(5)
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.plot dc v(3)
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.print tran v(3) v(5)
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.plot tran v(3) v(5) v(1)
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.end
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