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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 1M0 resistors (R3 and R4). The fade will be low in distortion until -20 db has been reached.
Analog switches in the audio path - Electronic Products
https://www.electronicproducts.com/analog-switches-in-the-audio-path/
Once the placement of the analog switch has been determined, the primary routing component to consider is a low R ON switch. The reason is that for audio signals the resistance of the analog path will contribute to the power losses of the overall system. If you think of the audio routing path and the load as a simple voltage divider, lowering the R ON of the audio path …
Analog Switch Selector Guide - Mouser
https://www.mouser.com/catalog/supplier/library/pdf/vishayanalogsg.pdf
switch configurations, analog switches are supplied packaged as single, dual, quad or MUX (multiplexer) devices, within a range of innovative and industry-standard IC packages. Analog Switch Configurations 1-Channel SPST 2-Channel SPST 4-Channel SPST 1-Channel SPDT 2-Channel SPDT 4-Channel SPDT 2-Channel DPST 2-Channel DPDT Multiplexer Decode Logic …
MT-088: Analog Switches and Multiplexers Basics
https://www.analog.com/media/en/training-seminars/tutorials/MT-088.pdf
Figure 12 shows typical CMOS analog switch OFF-isolation as a function of frequency for the . ADG708 8-channel multiplexer. From dc to several kilohertz, the multiplexer has nearly 90-dB isolation. As the frequency increases, an increasing amount of signal reaches the output. However, even at 10 MHz, the switch shown still has nearly 60 dB of isolation.
analog - Audio Switching Circuit - Ground Loop Noise ...
https://electronics.stackexchange.com/questions/287605/audio-switching-circuit-ground-loop-noise-problem
Here's an image of the frequency analysis of the noise recorded on the MIC line. As you can see the 50Hz harmonics are still prevalent. NOTE: I am passing the audio GND lines through the analog multiplexer as well to choose what pin it is outputted to. Hence the GND line is seeing a small resistance in series (17Ohms) due to the switch being open.
Switch analog audio signals - Page 1 - EEVblog
https://www.eevblog.com/forum/projects/switch-analog-audio-signals/
Left the input buffer, in the center the audio switch and on the right the output buffer. These are the building blocks to make an audio matrix. The idea is to build a matrix of at least 16x16. The switch enable will be driven by a couple of 4094 (at +/- 7.5V) - …
HiFi Audio Circuit Design - Analog
https://www.ti.com/lit/an/sboa237/sboa237.pdf
3 HiFi Audio Circuit Design 3.1 DAC Circuit Design The DAC is the source of the analog audio signal chain, and the DAC is the performance bottleneck in the chain because the THD+N performance of the best DAC in the world is 10 + dB worse than the best amplifier. The DAC contains both analog and digital functional blocks and needs ultra-low noise clock,
CD4016 - A CMOS Chip With Four Analog Switches
https://www.build-electronic-circuits.com/4000-series-integrated-circuits/ic-4016/
CD4016 – A CMOS Chip With Four Analog Switches. The CD4016 is a CMOS IC with four analog switches, which can be controlled individually using a control pin. The signal can flow in either direction between the two pins of each switch. Each switch has an enable pin (A) and two input/output pins (X and Y). When the enable pin is set to HIGH, current can flow …
MAX4910 Quad-SPDT Clickless Audio Switches with …
https://www.maximintegrated.com/en/products/analog/analog-switches-multiplexers/MAX4910.html
Description. The MAX4910/MAX4911/MAX4912 quad, singlepole/double-throw (SPDT), clickless audio switches feature negative signal capability that allows signals as low as V CC -5.5V to pass through without distortion. These analog switches have a low on-resistance, low supply current, and operate from a single +1.8V to +5.5V supply.
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