This preview shows page 1. Sign up to view the full content.
Unformatted text preview: v s +-R s R L +-R in +-+ -v in A v in R o v-v + v L (b) Find v L in terms of v s using this model. What is the voltage gain ± v L v s ² of this circuit? (c) Using typical numbers for a microphone pre-amp circuit, R S = 10 k Ω , R in = 1 M Ω , R o = 1 Ω , R L = 100 Ω , A = 10 5 in the previous model, what is the voltage gain of this circuit? (d) Using the ideal op-amp approximations in the ﬁrst circuit, ﬁnd the voltage gain of the circuit and compare it to that of the more accurate voltage-dependent voltage source model. 3. Find the Thevenin equivalent circuit between A and B for the following circuit, assuming the ideal op-amp approximation. +-. 3 cos (880 π t ) V +-1000 Ω +-B A 5000 Ω 2 Ω 4. Textbook problem 3.3 5. Textbook problem 3.4 6. Textbook problem 3.6 1...
View Full Document
This note was uploaded on 03/28/2012 for the course ECE ece210 taught by Professor Ece during the Spring '10 term at University of Illinois, Urbana Champaign.
- Spring '10