* Tranz. zesilovac v lab. Vin in 0 dc 1 ac 1 sin(0 0.1 10000) Vcc 1 0 15 Rb1 1 b 200k Rb2 b 0 91k Rc 1 c 7.5k Re e 0 4k Rz out 0 1Meg Cin in b 0.47u *Ce e 0 470u Cout c out 0.47u Q1 c b e BC549B *.model BC549B NPN(BF=100) .model BC549B NPN(Is=7.049f Xti=3 Eg=1.11 Vaf=59.93 Bf=375.6 Ise=56.03f + Ne=1.553 Ikf=87.07m Xtb=1.5 Br=2.886 Isc=7.371p + Nc=1.508 Ikr=5.426 Rc=1.175 Cjc=5.5p Mjc=.3132 Vjc=.4924 Fc=.5 + Cje=11.5p Mje=.6558 Vje=.5 Tr=10n Tf=417.3p Itf=1.512 Xtf=39.51 + Vtf=10) * PHILIPS pid=bc549b case=TO92 * 91-07-31 dsq ***************************************************************************** .control set maxplots = 3 op show q1 : ic gm gpi save @q1[ic] all dc Vcc 10 20 1 settype current @q1[ic] plot @q1[ic] ac dec 15 1 100meghz plot v(out) title napetove_zesileni ac lin 1 1k 1k print v(out) print v(in)/i(vin) tran .5us 200us plot v(out) four 10k V(out) .endc .end