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Coupling Capacitors
https://sound-au.com/articles/coupling-caps.htm
2.0 - Coupling Capacitors. The purpose of a coupling cap is to pass the wanted audio (AC) signal, while blocking any DC from preceding stages or source components. DC will cause pots to become noisy (scratching noises when operate), and cause relatively loud clicks when (if) muting relays or similar are used.
audio - Is it ok to put decoupling cap over analog input ...
https://electronics.stackexchange.com/questions/219786/is-it-ok-to-put-decoupling-cap-over-analog-input-of-amplifier
The decoupling capacitor provides energy for current peaks, which for class D amplifier are pretty high. Edit: yours is class B, so frequencies are low and hence effect are even lower. So you will have a trace with varying voltage for capacitive coupling with the signal and pulsed currentl for inductive coupling.
MT-101: Decoupling Techniques - Analog Devices
https://www.analog.com/media/en/training-seminars/tutorials/MT-101.pdf
A smaller cap (typ. 0.01 µF – 0.1 µF) as physically close to the power pins of the chip as is possible. zThe purpose of this capacitor is to short the high frequency noise away from the chip. All decoupling capacitors should connect to a large area low impedance ground plane through a via or short trace to minimize inductance.
Microcontroller - Decoupling caps/bypass | diyAudio
https://www.diyaudio.com/community/threads/microcontroller-decoupling-caps-bypass.380415/
Hello everyone, I'm looking to add some bypass/decoupling capacitor on a microcontroller unit but I was thinking which rail would be the best to bypass/decouple. I've got some options like VDD-VDDA-VSSA etc etc, i'm not an expert in this just an hobbyist. Thanks!
What Are Decoupling Capacitors in 5 Minutes | EAGLE | Blog
https://www.autodesk.com/products/eagle/blog/what-are-decoupling-capacitors/
When working with decoupling capacitors in your own design, keep these three things in mind: Placement. You’ll always want to connect your decoupling capacitors between your power source, whether that’s 5V or 3.3V, and ground. Distance. You’ll always want to place your decoupling capacitors as close as possible to your IC.
Supply Decoupling - Neurochrome Audio
https://neurochrome.com/pages/supply-decoupling
The larger tantalum cap is intended to provide a low supply impedance at audio frequencies. The 100 nF ceramic cap ensures that the supply impedance remains relatively low at RF frequencies beyond the self-resonance frequency of the tantalum capacitor. In addition to the smaller capacitors by the LM3886 supply pins, larger capacitors are needed by the power entry to the …
ecp audio diy: Some Notes on Coupling Capacitors
http://diy.ecpaudio.com/p/some-notes-on-coupling-capacitors.html
AUDIO MODIFICATIONS
http://www.high-endaudio.com/Modifications.html
Coupling capacitor is changed to a V-Cap Teflon, either .22 or .47uf 600 volts 2. Entire power/filter supply (B+) are Solen metallized capacitors (two 100uf/630 volt cans per channel-on top of chassis) 3. Decoupling cap, near the input tube, is also a Solen metallized, 20uf, with two extra film and foil shunts on each 4.
Decoupling capacitors, poly-film vs. ceramic? - MOD …
https://modwiggler.com/forum/viewtopic.php?t=57506
A good rule is to place bulk caps (33 - 220 uF) near the board's power connector. Then place 100nF decoupling caps very near circuits that handle switching, i.e. high frequesies, like comparators (oscillators have comparators inside) and logic. If the board is large, then add more bulk caps. The type of caps are not really critical on audio boards.
Op-amp decoupling - best practice? | diyAudio
https://www.diyaudio.com/community/threads/op-amp-decoupling-best-practice.274567/
OPA134s 'sound' very natural/organic to me, and don't require any decoupling caps to operate well in this circuit. Trying LME49710/20s - a superior op-amp, on paper - and it oscillated. So following DaDa's advice I bypassed from + to ground, and - to ground on one of the op-amps which cured the oscillation hum.
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