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a. Propose and design a transistor amplifier circuit to pass the band of audio frequencies. (Vc=20 V, Beta=100, VE=1 V) Cut-off frequencies will be determined w.r.t. table below (Draw the proposed transistor configuration and compute the value of components -all resistors and capacitors- w.r.t. desired parameters). Low cut-off should be lower than 20 Hz and high cut-off should be greater than 20 kHz. If last two digit of your student ID lower than 20, multiply number by 10 to compute the desired cut-off, else if greater than 20, divide by 5 to compute the desired cut-off frequencies. Student ID 16568011 (11>20) 16568039 (39<20) 16568020 (20=20) Desired Low Cut-off frequency 11 Hz 39/5 = 7.8 Hz 20 Hz Desired High Cut-off frequency 11*10 = 110 kHz 39 kHz 20 kHz Bandwidth (Frequency range) 11 Hz - 110 kHz 7.8 Hz - 39 kHz 20 Hz – 20 kHz

a. Propose and design a transistor amplifier circuit to pass the band of audio frequencies. (Vc=20 V, Beta=100, VE=1 V) Cut-off frequencies will be determined w.r.t. table below (Draw the proposed transistor configuration and compute the value of components -all resistors and capacitors- w.r.t. desired parameters). Low cut-off should be lower than 20 Hz and high cut-off should be greater than 20 kHz. If last two digit of your student ID lower than 20, multiply number by 10 to compute the desired cut-off, else if greater than 20, divide by 5 to compute the desired cut-off frequencies. Student ID 16568011 (11>20) 16568039 (39<20) 16568020 (20=20) Desired Low Cut-off frequency 11 Hz 39/5 = 7.8 Hz 20 Hz Desired High Cut-off frequency 11*10 = 110 kHz 39 kHz 20 kHz Bandwidth (Frequency range) 11 Hz - 110 kHz 7.8 Hz - 39 kHz 20 Hz – 20 kHz

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
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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"The bandwidth of an analog system is the range of frequencies where the system operates within a specified fraction of the nominal gain (typically ±3dB)." E E (a) (b) High Bandwidth Low Bandwidth In order to successfully pass audio band frequencies (20 Hz - 20 kHz), large input and output capacitances are needed. a. Propose and design a transistor amplifier circuit to pass the band of audio frequencies. (Vc=20 V, Beta=100, Ve=1 V) Cut-off frequencies will be determined w.r.t. table below (Draw the proposed transistor configuration and compute the value of components -all resistors and capacitors- w.r.t. desired parameters). Low cut-off should be lower than 20 Hz and high cut-off should be greater than 20 kHz. If last two digit of your student ID lower than 20, multiply number by 10 to compute the desired cut-off, else if greater than 20, divide by 5 to compute the desired cut-off frequencies. Student ID 16568011 (11>20) 16568039 (39<20) 16568020 (20=20) Desired Low Cut-off frequency 11 Hz 39/5 = 7.8 Hz 20 Hz Desired High Cut-off frequency 11*10 = 110 kHz 39 kHz 20 kHz Bandwidth (Frequency range) 11 Hz – 110 kHz 7.8 Hz - 39 kHz 20 Hz – 20 kHz b. Draw the frequency response of the designed amplifier. Indicate all cut-off frequencies, bandwidth, slope of the curve, axis and units. c. Propose a method or configuration to increase the bandwidth of the system. What is the main advantage of high bandwidth, explain the relationship between stability and bandwidth briefly. Hint : Apply DC analysis first to determine the resistors with appropriate assumptions!
Transcribed Image Text:"The bandwidth of an analog system is the range of frequencies where the system operates within a specified fraction of the nominal gain (typically ±3dB)." E E (a) (b) High Bandwidth Low Bandwidth In order to successfully pass audio band frequencies (20 Hz - 20 kHz), large input and output capacitances are needed. a. Propose and design a transistor amplifier circuit to pass the band of audio frequencies. (Vc=20 V, Beta=100, Ve=1 V) Cut-off frequencies will be determined w.r.t. table below (Draw the proposed transistor configuration and compute the value of components -all resistors and capacitors- w.r.t. desired parameters). Low cut-off should be lower than 20 Hz and high cut-off should be greater than 20 kHz. If last two digit of your student ID lower than 20, multiply number by 10 to compute the desired cut-off, else if greater than 20, divide by 5 to compute the desired cut-off frequencies. Student ID 16568011 (11>20) 16568039 (39<20) 16568020 (20=20) Desired Low Cut-off frequency 11 Hz 39/5 = 7.8 Hz 20 Hz Desired High Cut-off frequency 11*10 = 110 kHz 39 kHz 20 kHz Bandwidth (Frequency range) 11 Hz – 110 kHz 7.8 Hz - 39 kHz 20 Hz – 20 kHz b. Draw the frequency response of the designed amplifier. Indicate all cut-off frequencies, bandwidth, slope of the curve, axis and units. c. Propose a method or configuration to increase the bandwidth of the system. What is the main advantage of high bandwidth, explain the relationship between stability and bandwidth briefly. Hint : Apply DC analysis first to determine the resistors with appropriate assumptions!
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