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2. Given the differential amplifier shown, RC1 5 ΚΩ RB1 1 ΚΩ Vo1 Vcc=+15V Vout O V0₂2 RC2 5 ΚΩ RE 7.5 ΚΩ M Vs2 V$1 VEE -15V Assume Q1 and Q2 are identical transistors with ß-hfe=100 and VBE=0.7V. (a) Determine hiel and hie2. (b) Determine the differential gains Ads (for single-ended) and Add (for double ended). (c) Determine the common-mode gains Acs (for single-ended) and Acd (for double ended). RB2 1 ΚΩ Q2

2. Given the differential amplifier shown, RC1 5 ΚΩ RB1 1 ΚΩ Vo1 Vcc=+15V Vout O V0₂2 RC2 5 ΚΩ RE 7.5 ΚΩ M Vs2 V$1 VEE -15V Assume Q1 and Q2 are identical transistors with ß-hfe=100 and VBE=0.7V. (a) Determine hiel and hie2. (b) Determine the differential gains Ads (for single-ended) and Add (for double ended). (c) Determine the common-mode gains Acs (for single-ended) and Acd (for double ended). RB2 1 ΚΩ Q2

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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Suggested answers: a)hie1= 2.624kohms hie2= 2.624kohms

b) ads= 95.27 add= 190.541

c) Acs= 0.3294 acd= 0

2. Given the differential amplifier shown, RC1 5 ΚΩ RB1 1 ΚΩ Q1 Vo1 Vcc=+15V Vout Vo₂ RC₂ 15 ΚΩ RE 7.5 ΚΩ Q2 RB2 1 ΚΩ Vs2 Vs1 VEE=-15V Assume Q1 and Q2 are identical transistors with ß-hfe=100 and VBE=0.7V. (a) Determine hie1 and hie2. (b) Determine the differential gains Ads (for single-ended) and Add (for double ended). (c) Determine the common-mode gains Acs (for single-ended) and Acd (for double ended).
Transcribed Image Text:2. Given the differential amplifier shown, RC1 5 ΚΩ RB1 1 ΚΩ Q1 Vo1 Vcc=+15V Vout Vo₂ RC₂ 15 ΚΩ RE 7.5 ΚΩ Q2 RB2 1 ΚΩ Vs2 Vs1 VEE=-15V Assume Q1 and Q2 are identical transistors with ß-hfe=100 and VBE=0.7V. (a) Determine hie1 and hie2. (b) Determine the differential gains Ads (for single-ended) and Add (for double ended). (c) Determine the common-mode gains Acs (for single-ended) and Acd (for double ended).
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