A CE amplifier has a midband voltage gain of AM = 100 V/V, a lower 3-dB frequency of fL
Chapter 7, Problem 7.138(choose chapter or problem)
A CE amplifier has a midband voltage gain of AM = 100 V/V, a lower 3-dB frequency of fL = 100 Hz, and a higher 3-dB frequency fH = 500 kHz. In Chapter 10 we will learn that connecting a resistance Re in the emitter of the BJT results in lowering fL and raising fH by the factor 1+gmRe . If the BJT is biased at IC = 1 mA, find Re that will result in fH at least equal to 2 MHz. What will the new values of fL and AM be? = M
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