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FET Audio Mute | Electronics Forums
https://www.electronicspoint.com/forums/threads/fet-audio-mute.99726/
Instead of running your signal through the MOSFET, just connect both your signal input and output to node 1 in your diagram. When you apply voltage to close the MOSFET switch, the signal will pass through the MOSFET to ground, thus muting the output. When the switch is opened again, the signal will be
JFET Audio Mute Switch - Red Wave Radio
http://www.redwaveradio.com/5_5ee107db307c7a37_1.htm
JFET Audio Mute Switch. in the audio chain of a simple superhet xcvr. I'm using the T/R. switch from the SW30+ qrp rig. The final PA in the transmitter chain. is a 74HC240 which is putting out about 1/2 watt. On transmit the. slightly) and is ear splitting loud. I …
FET switching – stinkfoot.se
https://stinkfoot.se/archives/503
Unlike the ”real” switch you’ll find in a regular wah pedal, this ”switch” is actually two transistors that either mute the signal or pass it on. A momentary control pulse (from the switch you step on) will cause a pair of other transistors (called the ”flip-flop” pair) to change their status, which in turn opens and closes the audio paths through these two transistors – voila!
Muting Circuits For Audio
https://www.sound-au.com/articles/muting.html
They might work as a muting device, but the FET is turned off by default, and turns on when current is applied to the internal LED. This means that the internal FET would need to be in series with the output for mute action when there's no DC present. The on resistance of the FET is 200Ω with a forward current of 16mA through the LED.
Audio Switch Notes - Neat Circuits
https://www.neatcircuits.com/audiosw/index.html
The circuit should mute sufficiently any audio from 15 hz to 20 khz. If not, you don't have the circuit wired correctly. the 33k and 1M0 resistors (R3 and R4). The fade will be low in distortion until -20 db has been reached. At this point some distortion will …
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