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## Worked Examples

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**Worked Examples**• Practical Op-Amp Design • Schmitt Trigger • Precision Rectifier**Transient analysis waveform (sine wave, 0V offset, 1.38V**amplitude, 1kHz) a.c. analysis magnitude Independent voltage source Non-Inverting Amplifier**Microcap Demo**TC-OPAMP1.CIR**Schmitt Trigger Design**• Design an inverting Schmitt trigger with the following specification: • Supply voltages = +9V and 0V • Saturation levels = 0.5V and 8.5V • Switching thresholds = 6V and 7V**(1)**• (2) (2) – (1)**Equivalent if:**• Open-circuit voltages are the same • Short-circuit currents are the same**Microcap Demo**TC-OPAMP1A.CIR**Precision Rectifier Microcap Demo**TC-OPAMP2.CIR**Summary: Examinable Op-Amp Stuff**• Analysis • Amplifiers: gain, cut-off frequency, in/out impedances, full-power bandwidth etc. • Comparators: switching level(s), effects of slew rate etc., oscillator circuit, applications. • Precision Rectifier: waveforms, slew rate limiting etc. • Design • Amplifiers, comparators, oscillators.