Questions
When the base -emitter voltage of a transistor connected in the common -emitter mode is changed by 20 mV the collector current is changed by 25 mA. Find the transconductance.
detailed solution
Correct option is A
gm=ΔIcΔVBE=25×10−320×10−3=1.25Ω−1Talk to our academic expert!
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If De, Db and Dc are the doping levels of an emitter, base and collector respectively of a transistor, then :
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