Lab 23 report

Lab 23 report - Objective 1. To demonstrate the use of...

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Objective 1. To demonstrate the use of operational amplifiers in active filters. 2. To design active low and high pass filters using coefficient tables. Equipment List 1. 741 operational amplifier or the equivalent. 2. DC power supplies(±15V, 5V) 3. Analog signal generator 4. Resistors: 2-47kΩ, 1-3.3kΩ,2-2.2kΩ,1-1.5Ω, 1-680Ω 5. Capacitors: 2-0.1µF,1-0.003µF(25V) 6. Dual-trace oscilloscope Schematics
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Procedure 1. To demonstrate the operational amplifier used in a VCVS, second-order, low-pass filter with butterworth characteristics. Connect the circuit in figure 5. 2. With Vs adjusted to produce a 1Vpk sine wave at 500Hz and record the peak value of the output voltage Vo 3. Now increase the frequency of the signal generator until the output voltage Vo equals 0.707 times that measured in procedure step 2. The frequency where this occur is the cutoff frequency f 2 of the filter. 4.
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Lab 23 report - Objective 1. To demonstrate the use of...

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