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Electronic oscillator - Wikipedia
https://en.wikipedia.org/wiki/Electronic_oscillator#:~:text=An%20audio%20oscillator%20produces%20frequencies%20in%20the%20audio,range%20of%20about%20100%20kHz%20to%20100%20GHz.
Audio Oscillator | Discrete Semiconductor Circuits ...
https://www.allaboutcircuits.com/textbook/experiments/chpt-5/audio-oscillator/
It is a simple, free-running oscillator circuit timed by the sizes of the resistors, capacitors, and power supply voltage. Unfortunately, its output waveform is very …
What is the purpose of an oscillator? - Answers
https://www.answers.com/Q/What_is_the_purpose_of_an_oscillator
The purpose of an oscillator is to produce repetitive sound that will compliment the music being played. They are relatively easy to set up and use. Oscillators will filter the sounds providing a...
Audio Test Oscillator
https://www.sound-au.com/project22.htm
As a piece of test equipment, an audio oscillator has to be considered essential for anyone working in with hi-fi gear. Together with an audio millivoltmeter (as described in Project 16 ), and even better if you have access to an oscilloscope, you will be able to make proper measurements on everything from preamps, RIAA equalisation stages (for vinyl disks), tone controls, …
Developing a State Variable Oscillator for Audio …
http://www.williamsonic.com/AudioOsc/
Many commercial designs seek to combine two or more functional areas to reduce parts count and manufacturing cost. The ultimate expression of this is the HP200 Audio Oscillator 6, 11, in which a simple incandescent light bulb serves as sensor, reference, error detector, compensator, and even provides the gain control feature in the oscillator core. Such …
How Oscillators Work | HowStuffWorks
https://electronics.howstuffworks.com/oscillator.htm
In a simple crystal radio (see How Radio Works for details), a capacitor/inductor oscillator acts as the tuner for the radio. It is connected to an antenna and ground like this: Thousands of sine waves from different radio stations hit the antenna. The capacitor and inductor want to resonate at one particular frequency.
Hewlett-Packard 209A 4Hz-2MHz Audio Oscillator
https://www.kenrockwell.com/audio/hp/209a.htm
The Hewlett-Packard HP 209A is probably the world's most useful and versatile general-purpose audio oscillator. You'd be hard pressed to pay more than $100 for it at eBay (see How to Win at eBay ). The 209A stands out because it's small, light, simple to operate, and most importantly, sweeps directly and precisely across the right ranges for audio with a minimum of band …
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