1. Draw the AC equivalent circuit of the voltage divider bias configuration below with emitter bypass capacitor and determine the following parameters: a. Input impedance b. Output impedance C. Voltage gain in decibels

1. Draw the AC equivalent circuit of the voltage divider bias configuration below with emitter bypass capacitor and determine the following parameters: a. Input impedance b. Output impedance C. Voltage gain in decibels

Electric Motor Control

10th Edition

ISBN:9781133702818

Author:Herman

Publisher:Herman

Chapter55: Ac Adjustable Frequency Drives

Section: Chapter Questions

Problem 4SQ: What is the advantage of an insulated gate bipolar transistor over a common junction transistor?

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Question

1. Draw the AC equivalent circuit of the voltage divider bias configuration below with emitter
bypass capacitor and determine the following parameters:
a. Input impedance
b. Output impedance
c. Voltage gain in decibels
d. Power gain in decibels
16 V
90 k
C2
B= 210, r = 50 kn
76
10
0.68 k2
2. Repeat number 1 when emitter bypass capacitor is not connected.

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