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(i) Show that Ic = 2.8mA. (ii) Draw and label the small-signal hybrid-r equivalent circuit at middle frequency. (iii) Determine the input impedance, Zi and output impedance, Zo. (iv) Calculate the mid-band voltage gain, Av = Vo/Vi in decibel, dB.

(i) Show that Ic = 2.8mA. (ii) Draw and label the small-signal hybrid-r equivalent circuit at middle frequency. (iii) Determine the input impedance, Zi and output impedance, Zo. (iv) Calculate the mid-band voltage gain, Av = Vo/Vi in decibel, dB.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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if the parameters for the BJT given Beta=120, VBE=0.7V, VT=26mV, VA=infinity

(i) Show that Ic = 2.8mA. (ii) Draw and label the small-signal hybrid-r equivalent circuit at middle frequency. (iii) Determine the input impedance, Zi and output impedance, Zo. (iv) Calculate the mid-band voltage gain, Av = vo/Vi in decibel, dB.
Transcribed Image Text:(i) Show that Ic = 2.8mA. (ii) Draw and label the small-signal hybrid-r equivalent circuit at middle frequency. (iii) Determine the input impedance, Zi and output impedance, Zo. (iv) Calculate the mid-band voltage gain, Av = vo/Vi in decibel, dB.
+Vcc (+12 V) Ic 20 uF C2 10 µF Q1 Rs 50 ΩΣ RE RB 220 kQ Vo 4.7 k. >2.2 kQ Zi -VEE (-12 V)
Transcribed Image Text:+Vcc (+12 V) Ic 20 uF C2 10 µF Q1 Rs 50 ΩΣ RE RB 220 kQ Vo 4.7 k. >2.2 kQ Zi -VEE (-12 V)
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