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Oscillator circuits 
1KHz sinewave generator simple circuitry, low distortion, battery operated. Variable, low impedance output up to 1V RMS, 2 transistors
32.768 kHz Oscillator Circuits pdf file
8 Note Tune Player This neat little circuit can play 8 note tunes at any speed you want. You select the notes with 8 trim pots. The speed in selected through a ninth pot
Astable multivibrator
Astable multivibrator astable flip-flop circuits
Astable Multivibrator Projects
Audio test oscillator audio test oscillator circuit, This generally results in a square wave if the frequency of oscillation is low enough relative to the amplifier's bandwidth
Crystal Controlled Oscillator schematic of a low frequency sine wave oscillator featuring low distortion, wideband operation and crystal control.The circuit, originally developed for laboratory use, employs low cost AF bipolar transistors for the oscillator and amplifier sections and a JFET for loop-gain control. Operation of the oscillator in the 10 kHz to 500 kHz frequency range has been found to be excellent, while measured distortion is kept under 0.1 percent
Crystal Oscillator Circuits
DTMF Generation with a 3.58 MHz Crystal DTMF generation consists of selecting and combining two audio tone frequencies associated with the rows (low band frequency) and columns (high band frequency) of a pushbutton touch tone telephone keypad, pdf file
DTMF generator/decoder Dual-tone-multi-frequency (DTMF, also known as touch-tone) are the audible sounds you hear when you press keys on your phone
Function Generator A function generator using the ICL8038 integrated circuit. Is has four ranges and capable of sine, square and triangle outputs, ICL8038 The ICL8038 waveform generator is a monolithic integrated circuit capable of producing high accuracy sine, square, triangular, sawtooth and pulse waveforms with a minimum of external components.
Low Frequency Oscillator A low frequency test oscillator for testing tone controls and experimenting
Microphone circuit test oscillator 440 Hz
Music & special effects Electronic Canary, Metronome Circuit, Sound Effects Generator, Sound Effects Generator, Electronic Siren
Precision Clock Generator
Sawtooth to Triangle converter
Sawtooth wave oscillator the sawtooth wave oscillator which used the operational amplifier (TL082)
Signal Injector and Tracer A simple test circuit to fault find audio and radio equipment. Can be used to inject a square wave signal, rich in harmonics, or used with headphones as an audio tracer, schematics
Simple Audio Oscillator for testing amps and speakers
Simple Sine, Triangle and Square Wave Generator Intersil's ICL8038, VCO (voltage controlled oscillator) chip, Frequency range <1Hz to >100kHz, High output power (>1A) for the sine output (e.g. to drive inductivities) with some protection against destruction, CMOS-compatible complementary square wave output for digital circuit clocking (can drive into 50 Ohm)
Sine Wave Generator Sine Wave Generator, A classic Wien Bridge oscillator using an Op-Amp covering a frequency range of 15 to 150kHz in four switched steps
Single-Supply Wien Bridge Oscillator
Single transistor pump This is a simple circuit that can produce a staircase voltage output given a periodic pulse input
SQUARE WAVE OSCILLATOR
Square wave oscillator square wave oscillator circuit
Square wave oscillator
Triangle to sine converter Triangle to sine converter
Variable Frequency Audio Oscillator Variable Frequency Audio Oscillator circuit
Voltage Controlled Low Frequency Oscillator with Sync Voltage Controlled Low Frequency Oscillator with Sync
Voltage controlled oscillator VCO, Voltage controlled oscillator circuit, pdf file
Waveform Generator with ICL 8038 CCPD Waveform Generator with ICL 8038 CCPD,  function generator, ICL8038 The ICL8038 waveform generator is a monolithic integrated circuit capable of producing high accuracy sine, square, triangular, sawtooth and pulse waveforms with a minimum of external components
Wien-Bridge Oscillator 15Hz - 150kHz
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Last updated on: 2011-01-15 | Copyright © 2011-2013 Educypedia.

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