Op Amp Circuits

Lab 8:

Gyrator Resonant Circuit
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Demonstrates a LC resonant circuit using a gyrator for the inductor.

Relaxation Oscillator
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Relaxation oscillator generating triangular and square waves..

Chebyshev Low Pass Filter
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Compares a 2-pole Chebyshev filter with 1 and 2-pole RC filters.

Absolute Value Converter
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A circuit which outputs the absolute value of its input signal..

Logarithmic Converter
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Outputs the logarithm of its input.

Exponentiator
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Exponentiates its input.

Squarer
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Calculates the square of its input. This circuit will not run under the evaluation version of PSpic.

Averager
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Time averages its input.

Square Rooter
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Finds the square root of its input. This circuit will not run under the evaluation version of PSpice.

RMS Converter
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Finds the root-mean-square (RMS) of its input. This circuit will not run under the evaluation version of PSpice.

Lab 11:

Input Bias Current
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Measures the input bias current by measuring the offset as the input resistor is increased.

Output Current
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Finds the max output current by sweeping the input with various load resistors.

Follower Output Booster
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Compares the performance of follower output boosters with feedback before and after the follower.

Push-Pull Output Booster
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Compares the performance of push-pull output boosters with feedback before and after the booster.

Johnson Noise
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Calculates the Johnson (thermal) noise in a resistor.

Gain of x1000 Amplifier
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Finds the frequency response of a x1000 amplifier.

Open Loop Gain
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Measures the open loop gain and phase shift.

Oscillating Differentiator
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Demonstrates the oscillations in a simple differentiator circuit.

Differentiator
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Shows the rolloff in a practical differentiator circuit.

Slew Rate
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Demonstrates the finite slew rate of an inverting amplifier.

Active Rectifiers
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Compares two types of active rectifiers.