실험, 07 - 발진회로, 이론

I. 이론

1. Op Amp Multivibrator (= Square-Wave Generator)

0.5-5kHz square-wave generator

Square-wave generator with duty-cycle adjustment

0.1-1kHz triangle/square function generator

0.1-1kHz ramp/rectangle function generator with variable duty cycle

* Schmitt Trigger Ocillator

2) Sine Wave Generator

* RC Phase-shift Oscillator

* Wien-bridge Oscillator

* Op Amp LC Osillator

* Colpitts Oscillator

* Hartley Oscillator

Sine-cosine wave oscillator

http://www.interfacebus.com/cosine-wave-oscillator-circuits.html

Sine-wave oscillators, Carter Op Amp Applications Handbook

Improved Wien oscillator, https://electronics.stackexchange.com/questions/197027/impedance-of-an-sine-wave-circuit

RC phase shift oscillator, https://www.electronics-notes.com/articles/analogue_circuits/operational-amplifier-op-amp/phase-shift-sine-wave-oscillator-generator.php

Improved sine-wave oscillator, zhou(16).pdf (07주-발진기회로)

Low power sine-wave oscillator, osc chip + bpf, dn564(linear technology)

Bubba osc, scott(an).pdf

SAQ preamp, http://dl1dbc.net/SAQ/saqpreamp.html