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Audio Tone generator circuit using 555, 741 IC
https://mechatrofice.com/circuits/audio-tone-generator
Op amp tone generator circuit. This circuit is a tone generator using an op amp. Here also the circuit is an astable multivibrator which generates a …
Tone generator circuits
https://www.circuitstoday.com/category/tone-generator-circuits
Ding-Dong sound generator. Description. This is the circuit diagram of a ding dong sound generator based on two NE555 timer ICs.The circuit is designed to toggle between two adjustable frequencies to…. Read More. In Tone generator circuits.
Stereo Test Tone Generator - SolOrb
http://www.solorb.com/elect/musiccirc/stereoosc/index.html
Stereo Test Tone Generator (C) 2003, G. Forrest Cook Introduction. This circuit produces two audio frequency sine waves with different frequencies but equal amplitudes. It can be used for testing a variety of stereo audio equipment. The circuit was originally developed the purpose of aligning an FM Stereo Modulator, like the type used in low power FM stereo transmitters. Two …
UM3561 IC Tone Generator Circuit - Making Easy Circuits
https://makingcircuits.com/blog/um3561-ic-sound-generator-circuit/
The circuit of 4 siren sound generator using UM3561 IC is indicated below. This is a low-power CMOS integrated circuit. The 4 diverse siren tones could be produced simply by pushing the 3 buttons like S1, S2 &S3. This circuit can easily be used for just about any form of audio generation preferences.
A simple 2-tone-generator for testing the linearity of SSB ...
https://dk7ih.de/a-simple-2-tone-generator-for-testing-the-linearity-of-ssb-transmitters/
A simple 2-tone-generator for testing the linearity of SSB transmitters. This device is as simple as useful. With 2 transistors and an oscilloscope it is fairly easy to test the linearity of your SSB transmitter. The 2-tone-method is a standarized test method that can be used to determine the maximum output and the amplification characteristics of a sideband transmitter.
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