Sol_ELCT_371_Homework3_Sp11

# Sol_ELCT_371_Homework3_Sp11 - ELCT 371: Spring 2011...

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ELCT 371: Spring 2011 Homework #3 Solution (based on Chapter 2 and 3) 1. A certain op amp has a maximum output voltage rande from -10V to +10V. The output can source or sink a maximum current of 20mA. The slew-rate limit is SR = 10V/us. This op amp is used in the circuit of Figure 2.32. (a) Find the full-power bandwidth of the op amp. (b) For a frequency of 1 kHz and R L = 1 k , what peak output voltage is possible without distortion? (c) For a frequency of 1 kHz and R L = 100 , what peak output voltage is possible without distortion? (d) For a frequency of 1 MHz, R L = 1 k , what peak output voltage is possible without distortion? (e) If RL = 1 k and vs (t) = 5sin(2x10 6 t), sketch the output waveform to scale against time. ANS: 1

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2. An op amp has a maximum output voltage range from -10 V to +10 V. The output can source or sink 25 mA. The slew-rate limit is 1 V/us. The op amp is used in an inverting amplifier configuration with R2 = 100 k and R1 = 10 k . (a) Find the full-power bandwidth of the op amp.
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## This note was uploaded on 10/25/2011 for the course ELCT 371 taught by Professor Koley during the Spring '08 term at South Carolina.

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Sol_ELCT_371_Homework3_Sp11 - ELCT 371: Spring 2011...

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