new bipolar noise example

2023-10-11 09:52:10 +02:00 · 2023-10-11 09:52:10 +02:00 · 77c4cb5452
parent eb36084700
commit 77c4cb5452
1 changed files with 33 additions and 0 deletions
--- a/examples/noise/bipolar-noise.cir
+++ b/examples/noise/bipolar-noise.cir
@ -0,0 +1,33 @@
+A simple bipolar circuit
+* Tadej Tuma, Árpád Burmen "Circuit Simulation with SPICE OPUS: Theory and Practice"
+* Boston 2009
+
+v1 1 0 dc=5
+r1 1 2 r=1k
+q1 2 3 0 t2n2222
+r2 3 4 r=1k
+vin 4 0 dc=0.68 ac 1
+
+.model t2n2222 npn
+ is=19f bf=150 vaf=100 ikf=0.18 ise=50p
+ ne=2.5 br=7.5 var=6.4 ikr=12m isc=8.7p
+ nc=1.2 rb=50 re=0.4 rc=0.3 cje=26p tf=0.5n
+ cjc=11p tr=7n xtb=1.5 kf=0.032f af=1
+
+.control
+noise v(2) vin dec 10 0.5 100meg 1
+setplot noise1
+set xbrushwidth=3
+plot loglog
+ onoise_q1_1overf
+ onoise_q1_ib onoise_q1_ic
+ onoise_q1_rb onoise_q1_rc onoise_q1_re
+ onoise_q1
+
+plot loglog onoise_q1 onoise_r1 onoise_r2 onoise_spectrum
+
+plot loglog onoise_spectrum inoise_spectrum
+
+.endc
+
+.end