Lab10.315

Lab10.315 - EECE-315 Prelab 10 1. Assume = 120. Calculate...

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EECE-315 Prelab 10 1. Assume β = 120. Calculate I CQ and the midband voltage gain for the circuit shown below. 2. Calculate the corner frequency due to each capacitor individually using the short- circuit time constant method. What is the estimated lower -3 dB cutoff frequency? 3. Use PSPICE to plot the magnitude response and determine the lower -3 dB cutoff frequency. 4. Repeat steps 2 and 3 for C E = 10 uF and C B = 0.1 uF. 2.2k CB 100uF 1.5k 3.3k Vin Vout 33k CE 100uF Q1 2N3904 15 V 0 0

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EECE-315 Lab 10 1. Connect the circuit given in the prelab, and measure I CQ . 2. Measure the midband voltage gain at 10 kHz. Plot the input and output voltage waveforms . 3. Decrease the frequency and measure the voltage gain between the frequencies of 10 kHz and the – 3 dB cutoff frequency.
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This note was uploaded on 03/11/2012 for the course ECE 185 taught by Professor Ma during the Spring '12 term at CSU Chico.

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Lab10.315 - EECE-315 Prelab 10 1. Assume = 120. Calculate...

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