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EEE 3308C Spring 2011 HW1

# EEE 3308C Spring 2011 HW1 - O in terms of v 1 and v 2 and b...

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Homework 1 Due January 24th P2.1) Consider an amplifier shown below with the following parameters: 100 kohm input resistance, 30 pF input capacitance, 60 V/V open circuit voltage gain, and 500 ohm output resistance. The source has a source resistance of 20 kohm, and the load is 1kohm. a) Find the DC gain, K. b) What is the type of amplifier frequency response? (refer to note set 1, slide 34) c) Find the 3dB corner frequency. d) Plot the magnitude of the overall voltage gain transfer function, |T( )| in dB versus . e) Plot the magnitude of the normalized overall voltage gain transfer function, |T( )/K| in dB versus the normalized frequency, / 0. P2.2) Assuming an ideal opamp, a) find the closed-loop gain of the following circuit and b) the input resistance at the point shown.

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P2.3) Assuming an ideal opamp, find an expression for the closed loop voltage gain.
P2.4) Assuming an ideal opamp, a) find an expression for the output voltage, v

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Unformatted text preview: O , in terms of v 1 and v 2 , and b) determine the input resistance seen by a differential input source connected between v1 and v2. P2.5) For the general purpose bipolar junction transistor device-based uA 741 opamp, find the following typical parameters from the datasheet for the LM741C part : http://www.national.com/ds/LM/LM741.pdf a) Input resistance b) Input offset voltage c) Input offset current d) Input bias current e) Common-mode rejection ratio f) Gain-bandwidth product (use bandwidth for LM741A) g) Slew rate P2.6) For the micropower complementary MOS (CMOS) transistor device-based LT1635 opamp, find the following typical parameters from the datasheet for the single-supply 5V opamp operation at 25ÂșC : http://cds.linear.com/docs/Datasheet/1635fa.pdf a) Input resistance (differential) b) Input offset voltage c) Input offset current d) Input bias current e) Common-mode rejection ratio f) Gain-bandwidth p