34 lines
727 B
Plaintext
34 lines
727 B
Plaintext
A simple bipolar circuit
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* Tadej Tuma, Árpád Burmen "Circuit Simulation with SPICE OPUS: Theory and Practice"
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* Boston 2009
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v1 1 0 dc=5
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r1 1 2 r=1k
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q1 2 3 0 t2n2222
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r2 3 4 r=1k
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vin 4 0 dc=0.68 ac 1
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.model t2n2222 npn
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+ is=19f bf=150 vaf=100 ikf=0.18 ise=50p
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+ ne=2.5 br=7.5 var=6.4 ikr=12m isc=8.7p
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+ nc=1.2 rb=50 re=0.4 rc=0.3 cje=26p tf=0.5n
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+ cjc=11p tr=7n xtb=1.5 kf=0.032f af=1
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.control
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noise v(2) vin dec 10 0.5 100meg 1
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setplot noise1
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set xbrushwidth=3
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plot loglog
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+ onoise_q1_1overf
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+ onoise_q1_ib onoise_q1_ic
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+ onoise_q1_rb onoise_q1_rc onoise_q1_re
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+ onoise_q1
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plot loglog onoise_q1 onoise_r1 onoise_r2 onoise_spectrum
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plot loglog onoise_spectrum inoise_spectrum
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.endc
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.end
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