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Audio Switch Notes - Neat Circuits
https://www.neatcircuits.com/audiosw/index.html
A simple J-FET switch is easy to accomplish. The use of a P-channel J-FET is required. The more common N-channel will not give the same results, especially fading. A common device is the 2N5462 or the J176 or J177 available from …
FET as a Switch | Working of MOSFET or JFET as a Switch
https://www.electronicshub.org/fet-as-a-switch/
FET as a Switch (JFET) From the above discussion, it is clear that the FET can be used as a switch by operating it in two regions, they are cutoff and saturation region. When the V GS is zero the FET operates in saturation region and maximum current flows through it. Hence it is like a fully switched ON condition.
switches - MOSFETs or BJTs for using as switch for audio ...
https://electronics.stackexchange.com/questions/66332/mosfets-or-bjts-for-using-as-switch-for-audio-signals
Let's say that your audio signal can vary from +2 to -2 volts and Vgs(th) Max of your MOSFET is 4 volts. Then the gate voltage that you put on your MOSFETs must switch to +6 and -6v. The reason for this is when your switch is ON, you do not want the reverse body diode of the MOSFET to be conducting any current.
Chapter 9: FET Amplifiers And Switching Circuits
https://staff-old.najah.edu/sites/default/files/Chapter%209.pdf
E-MOSFETs are generally used for switching applications: When VGS < VGS(th) ÆMOSFET is off Ævery high RDS When VGS > VGS(th) ÆMOSFET is on Ævery low RDS (VGS must be sufficiently higher than VGS(th) to be in the upper end of load line in the Ohmic region) 9-5: MOSFET Analogue Switching MOSFET Switching Operation n-channel E-MOSFET
Curious about Passing Audio Signal with a FET Switch ...
https://www.diystompboxes.com/smfforum/index.php?topic=95789.0
Re: Curious about Passing Audio Signal with a FET Switch (Simple - No Flip Flop) « Reply #14 on: January 30, 2012, 02:53:01 AM » If you have a look at e.g. Boss distortion schematics there will be a fet switch before the distortion circuitry as well as after it, so when the effect is bypassed the distortion is muted at it's input as well as ...
JFET audio switch question | All About Circuits
https://forum.allaboutcircuits.com/threads/jfet-audio-switch-question.28242/
The audio input signal is tied to the Drain, and the audio output signal is tied to Source. The audio signal fluctuates above and below 0V. The Gate is controlled by a control voltage, where 0V= switch is on, and -5V= switch is off. I have seen circuits where a diode is placed between the control voltage and the Gate.
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