ECET220_Lab7.docx - ECET-220 LAB#7 Name OPERATIONAL...

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ECET-220 LAB #7 Name: ____________________________________________________ OPERATIONAL AMPLIFIERS - FIRST-ORDER LOWPASS FILTER Objective: This lab demonstrated the operation of a first-order op- amp lowpass filter. Procedure: Design a first-order lowpass filter with the following specifications: C = 0.1 μF DCGain = 5 Cutoff Frequency = 1 kHz Calculations:
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Insert a multisim schematic of your circuit below: Construct your circuit on a breadboard and test it: 1. Using a function generator, apply a 2 V pp signal, 500 Hz sinusoidal wave to the input of your circuit. Note the amplitude of the output on the oscilloscope: ____________________________ What is the gain ( V out V ¿ ) ? What is the dB value: 20log ( V out V ¿ ) ? What could you change in the circuit to have unity gain? Draw it
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