Topic: Squelch Circuit
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What are the applications of squelch circuit in communications?
A squelch circuit turns off the audio input to the speaker when there is no radio signal being received. This stops the speaker from producing annoying noise when no radio signal is being received. Read More »
Source: http://wiki.answers.com/Q/What_are_the_applications_of_squelch_ci...
What is the meaning of squelch circuit?
squelch circuit: an electric circuit that cuts off a receiver when the signal becomes weaker than the noise Read More »
Source: http://www.kgbanswers.com/what-is-the-meaning-of-squelch-circuit/...
What is the disadvantage of a squelch circuit?
Nothing, really. Think of the squelch function as an automatic mute with some predetermined level set. I suppose a disadvantage could be that if the squelch level is set too tight it could cut out some important transmission. Also, it cos... Read More »
Source: http://en.allexperts.com/q/Electrical-Engineering-1356/amplifier-...
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Squelch Circuit
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squelch circuit; squelch; squelcher
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Source: http://www.audioenglish.net/dictionary/squelch_circuit.htm
1. an electric circuit that cuts off a receiver when the signal becomes weaker than the noise
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Source: http://www.audioenglish.net/dictionary/squelch_circuit.htm
The squelch circuit or Q (Quieting) circuit is a circuit which is controlled by AGC or AVC voltage. The modern high gain receivers shows a disadvantage without it, that is, without a squelch circuit, annoying buzzing and cracking sounds are...
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Source: http://www.qsl.net/vu2msy/receiver.htm
Advanced products like the FMR-1000, RE-1 and ENG-100 use a combination of tone-code and amplitude squelch to provide maximum protection against errant signals. In this case, the tone squelch works as described in the previous section and w...
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Source: http://www.electrovoice.com/faq.php
it is just a set of comparators check out the patent #05940448 by:James Kuo from National here is the schematics for usb receiver
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Source: http://www.edaboard.com/thread20141.html
