Expt_28 - Lab-in-a-Box Experiment 28 Active Filters Name...

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Unformatted text preview: Lab-in-a-Box Experiment 28: Active Filters Name: ______________________ Pledge: _____________________ ID: ______________________ Date: ______________________ Procedure R3 C .1u Vin 1Vac 0Vdc RLoad 2.2k LF356N 3 2 7 4 6 1 5 +- V+ V- OUT OS1 OS2 + C .1u Vo R2 R1--9V +9V Figure 1: Circuit diagram for active bandpass filter. Analysis: 1. Design the bandpass filter in Figure 1 to have a center frequency of 1.0 kHz, a bandwidth of 200 Hz, and a voltage gain of -5 at the center frequency. (Note: The values of the capacitors and the load resistor have already been given to you and are determined by the components available in your parts kit.) 2. Using your answers from step 1, choose resistors from your kit to use for 1 R and 2 R . You may want to put two or more resistors in series to get close to your design values. Also, choose the trim pot with the smallest range that contains the value you calculated for 3 R . For greater sensitivity, you may want to put a smaller trim pot in series with a resistor such that the trim pot,...
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Expt_28 - Lab-in-a-Box Experiment 28 Active Filters Name...

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