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Low Noise Audio Power Supply Circuit - AN899
http://application-notes.digchip.com/003/3-3929.pdf#:~:text=Low%20Noise%20Audio%20Power%20Supply%20Circuit%20Abstract%3A%20Audio,microphones%2C%20headphone%20amplifiers%2C%20CODECs%20and%20other%20audio%20circuits.
Low Noise Power Supply for Audio Circuits – Simple Circuit ...
https://www.simplecircuitdiagram.com/706-low-noise-power-supply-for-audio-circuits/
March 3, 2010 Rust. This low noise audio power supply circuit can reduces noise and ripple voltage by 40dB over the 100Hz to 20kHz audio range. In portable application such as cellular phones and multimedia notebook computers, a …
Low Noise Audio Power Supply Circuit - AN899
http://application-notes.digchip.com/003/3-3929.pdf
Low Noise Audio Power Supply Circuit Abstract: Audio application note describes a simple, compact scheme that provides a low noise, low ripple power source for use in audio amplifiers, microphones, headphone amplifiers, CODECs and other audio circuits. The circuit shown in the figure below reduces noise and ripple voltage by 40dB over the 100Hz to 20kHz audio range. It …
Low-noise Power Supply - AUDIO WORKSHOP
https://blog.audioworkshop.org/low-noise-power-supply/
A zener diode and a constant current source define the voltage reference. The resulting voltage (Vref) is then applied to the non-inverting input of a low-noise operational amplifier /error amplifier/. The output drives the base on a series pass transistor. In that case a medium to high power NPN transistor.
Low-Noise, High PSRR LDO for Powering Hi-Fi Audio …
https://www.ti.com/lit/pdf/tidu996
kHz) and low noise (60 μVRMS) make the TPS72301 suitable for low-noise applications. The TPS72301 uses a precision voltage reference to achieve a 2% overall accuracy over load, line, and temperature variations and is available in a small SOT23-5 package. 3.3 TPS65130
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