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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. Mute level should *easily* reach -50db. If not, you don't have the circuit wired correctly. This circuit will also fade by providing a variable voltage at the junction of the 33k and …
Muting Circuits For Audio
https://www.sound-au.com/articles/muting.html
With an LM3886 the mute pin is connected to the -ve supply (usually via a resistor) to un-mute the output, but with the TDA7293 the mute pin is connected to a +ve voltage of 5V or more. There are many others, including Class-D (switching) amplifiers that provide a mute and/ or standby function.
ON/OFF Touch Controlled Mute Switch with 555 IC
https://www.electroschematics.com/touch-control-mute-switch/
Here is another simple circuit to mute the volume of Audio devices through simple touch. It exploits the action of the flip-flops in the timer IC 555 to reduce the volume of the Audio amplifier. IC NE555 is designed in the toggle mode.
Soft-Action Mute Switch - EEWeb
https://www.eeweb.com/soft-action-mute-switch/
This simple circuit is a line-level audio signal muting switch based on a soft-action power on/off process. When the S1 switch is closed, R4, C1 and Q4 JFET quietly ground the signal to be muted in between 100 to 200 ms and the RED indicator light goes on. When the S1 is opened the signal is released and the GREEN led goes on.
Build a simple, soft-action muting switch - EDN
https://www.edn.com/build-a-simple-soft-action-muting-switch/
The circuit in Figure 1 adds a soft muting switch with power-up/power-down muting to a line-level audio circuit. R 4, C 1, and JFET Q 1 quietly ground a signal in 100 to 200 msec when you close S 1 or release it when you open S 1.Potentiometer R 2, set to twice Q 1 's cutoff voltage, makes the on/off transition times roughly equal. R 2 and D 3 quickly discharge C …
Eliminate Clicks When Muting Single-Ended Audio ...
https://www.electronicdesign.com/technologies/analog/article/21790874/eliminate-clicks-when-muting-singleended-audio
The muting circuit only requires four components: a resistor (R), a capacitor (C), a diode (D), and the switch (Sw). When the microphone circuit has power, capacitor C …
Understanding Audio Jack Switches and Schematics | …
https://www.cuidevices.com/blog/understanding-audio-jack-switches-and-schematics
Typical audio jack schematics showing various switching options How to Read an Audio Jack Schematic. Before we get to the switch function, first we need to understand how to read an audio jack schematic. Audio plugs can come with as few as 2 conductors up to 6 or more conductors. For this example, we will focus on the standard stereo connector ...
Muting Transistor Attenuator Circuits and the 2SC2878 ...
https://www.electroschematics.com/muting-transistor-attenuator-circuits-2sc2878/
Obviously, the function of muting circuits is to mute (kill) the audio signal. This can be done in a number of ways including switches, relay contacts, junction FETs, analog switches and bipolar muting transistors. Switch and relay contacts can be noisy and intermittent due to contact bounce. Furthermore, properly applied contacts must be dry ...
Muting Relay PCB - Pete Millett's DIY Audio pages
http://www.pmillett.com/muting_relay_pcb.html
DIY Audio Home. Muting relay PCB. NOTE: The BOM and schematic incorrectly calls out 1N5821 rectifier diodes. These don't mechanically fit on the PCB. use 1N5817 or silimar 1A diodes instead. With cap-coupled preamps and single-ended power amps in particular, there is often a "thump" heard in the speakers when powering up.
Mute Switch Construction - YouTube
https://www.youtube.com/watch?v=4w9BF3QnpHM
I have updated the schematic on my website to show the 1,000uF cap as a pair of 470uF electrolytic caps wired in a non-polarized manner. The 1,000uF cap must...
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