BJT Noise Test vcc 4 0 50 vin 1 0 ac 1 ccouple 1 2 1 ibias 0 2 100uA rload 4 3 1k q1 3 2 0 0 test .model test npn kf=1e-20 af=1 bf=100 rb=10 cjc=4e-12 .noise v(3) vin dec 10 1k 100Meg 1 .control run setplot setplot noise1 plot ally plot inoise_spectrum onoise_spectrum setplot noise2 print all echo print inoise_total onoise_total .endc .end