BJT Amplifiers » Exercise – 1
1. Nota
2. The dc emitter current of a transistor is 8 mA. What is the value of re?
(a) 320
(b) 13.3 k
(c) 3.125
(d) 5.75
3. What is the most important r parameter for amplifier analysis?
(a) rb
(b) rc
(c)
(d)
4. Which of the h-parameters corresponds to re in a common-base configuration?
(a) hib
(b) hfb
(c) hrb
(d) hob
5. Under which of the following conditions is the output impedance of the network approximately equal to RC for a common-emitter fixed-bias configuration?
(a) ro 10RC
(b) ro 2 10RC
(c) ro 2 ro
(d) ro 4 ro
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