A small signal equivalent circuit of single common-emitter amplifier is shown in Figure Q1.b with quiescent collector current of 5 mA and a total of 1 k. The transistor parameters are = 100, r = 200, Rs = 2860, C₁ = 2 pF, fr = 200 MHz. 1) Deduce the values of 9m, C fß. 2) Calculate the low-frequency voltage gain V/V. 1 [Hint: fr = BfBi ÍB = 2(C+Cu) fB Vs Rs b ľb V be C₂ Cs Rc RL 50G₁=c=1v₂ Dan Doa compa gmVr b' Figure Q1.b
A small signal equivalent circuit of single common-emitter amplifier is shown in Figure Q1.b with quiescent collector current of 5 mA and a total of 1 k. The transistor parameters are = 100, r = 200, Rs = 2860, C₁ = 2 pF, fr = 200 MHz. 1) Deduce the values of 9m, C fß. 2) Calculate the low-frequency voltage gain V/V. 1 [Hint: fr = BfBi ÍB = 2(C+Cu) fB Vs Rs b ľb V be C₂ Cs Rc RL 50G₁=c=1v₂ Dan Doa compa gmVr b' Figure Q1.b
Chapter25: Television, Telephone, And Low-voltage Signal Systems
Section25.1: Television Circuit
Problem 5R: From a cost standpoint, which system is more economical to install: a master amplifier distribution...
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