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Audio Switch Notes - Neat Circuits
https://www.neatcircuits.com/audiosw/index.html
bidirectional switches that can switch analog or digital, even video signals. The 4051 is a 1-of-8 switch, the 4052 is a 2-of-4 switch (great for stereo), and the 4053 is a triple 1-of-2 switch. Pinouts can be found by Google or any …
diyAudio - Analog Audio switch with 4053
https://www.diyaudio.com/forums/analog-line-level/73894-analog-audio-switch-4053-a-2-print.html
These have much greater off isolation (due to a series-shunt-series switch configuration) and much lower charge injection (you will likely notice an audible click each time the 4053 switch changes state) Definitely install a resistor on the opamp input ( >10k to minimise loading/distortion).
Bypassing and Switching with the CD4053 CMOS Analog MUX
http://www.geofex.com/Article_Folders/cd4053/cd4053.htm
the CD4053 analog multiplexer IC. This is a CMOS logic chip that contains three SPDT CMOS analog switches and the attending control logic to make them work. People who have tried these before have often complained that they pop or distort, and have then moved on and forgotten them. There are some tricks to using this chip.
diyAudio - Analog Audio switch with 4053
https://www.diyaudio.com/forums/analog-line-level/73894-analog-audio-switch-4053-a-3-print.html
The board has a mode switch to select the RCA input or bluetooth streaming. With the Bluetooth streaming, no problem at all but with the RCA input a noise appears after a while. I had a look to the PCB and I found the 4053 and also 5532 op-amps to create a …
MAX4053 Low-Voltage, CMOS Analog …
https://www.maximintegrated.com/en/products/analog/analog-switches-multiplexers/MAX4053.html
Pin Compatible with Industry-Standard 74HC4051/74HC4052/74HC4053; Guaranteed Match Between Channels: 6Ω (MAX4051A—MAX4053A) 12Ω (MAX4051—MAX4053)
4053 Line Switcher PCB by JLCPCB | Electronics Forum ...
https://www.electro-tech-online.com/threads/4053-line-switcher-pcb-by-jlcpcb.154254/
To make sure your signal is not clipped, you need to provide a DC bias at the 4053 inputs to make sure the audio is centered at 2.5 V. Without knowing what the output of the multiplexer is driving, the input R-C (for example, R7-C1) forms a 3.4 kHz highpass filter. What is the bandwidth of the signals you are switching?
Eliminating Clipping Distortion, and Increasing Audio ...
https://www.repeater-builder.com/acc/acc-ad-2-notes.html
The installation of the AD-2 involves removing a 4053 CMOS analog audio switch IC that is in the receive audio path on the main board, and installing the AD-2 board piggyback-style in its place. The AD-2 provides audio delay and also provides the audio gating that the original 4053 switch on the 85/96 motherboard had been doing before the retrofit.
Low-Cost, Dual SCART Solution for Set-Top Boxes Also Has ...
https://pdfserv.maximintegrated.com/en/an/AN4522.pdf
filtering, and amplifying requirements for the video signals. The 4053 analogue multiplexer functions as an audio switch. One of the analogue switches in the 4053 IC is unused and available for another task like switching pin 8 or pin 16 signals. The state of the TV/VCR_SELECT control pin changes when the set-top box goes into, or out of ...
The Tone God - Wicked Switches
http://www.thetonegod.com/tech/switches/switches.html
ICs: There are a number of ICs that can do analog audio signal switching. The most popular are the 4016, 4053, and 4066 which are part the digital logic family but are actually analog. They have excellent characteristics for audio signal switch. Good enough for our switching needs.
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