Lab13.315 - EECE-315 Prelab 13 1 Refer to the circuit shown...

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EECE-315 Prelab 13 1. Refer to the circuit shown in Fig. 1. The output current is the current leaves the collector. Calculate the open-loop and closed-loop transconductance midband gains. Also calculate the lower –3 dB cutoff frequencies with the feedback loop open and closed. 2. Refer to the circuit shown in Fig. 2. Calculate the open-loop and closed-loop transresistance midband gains. Also calculate the input resistances with the feedback loop open and closed. Vin 10k 100uF 0 2.2k Q1 2N3904 Fig. 2 1uF 47k CB 100uF 12V 0 100k 2.7k Vout Vin 0 2.2k RL Q1 2N3904 Fig. 1 47k CB 1uF 12V 0 100k 2.7k
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EECE-315 Lab 13 1. Build the circuit shown in Fig. 1 on the prelab. Measure the open-loop and closed- loop transconductance gains at 1 kHz. For the open-loop measurement, use an emitter bypass capacitor of at least 1000 uF. 2. Compare the open-loop and closed-loop gains you measured to the theoretically calculated values. 3.
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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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Lab13.315 - EECE-315 Prelab 13 1 Refer to the circuit shown...

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