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What is an audio buffer? – PS Audio
https://www.psaudio.com/askpaulvideo/what-is-an-audio-buffer/
One of the applications mentioned in the video is a buffer following a potentiometer-type volume control, where the buffer isolates the volume control from the cable capacitance. Consider a 10 kohm potentiometer and 6 feet of unbuffered cable at 20 pF/foot capacitance. The high frequency attenuation is approximately 0.004 dB at 100 kHz.
High Impedance Audio Buffer With JFET | Full Project …
https://www.electronicsforu.com/electronics-projects/high-impedance-audio-buffer-jfet
The circuit of the high impedance audio buffer with JFET is shown in Fig. 1. It has almost unity gain and relatively-low-output impedance. The buffer can be used with any appropriate JFET including J201, J202, J113, PN4391, PN4392, PN4393, 2N5457, 2N5458, 2N3819, BF245B, MPF102 or similar.
Buffer Circuits - an overview | ScienceDirect Topics
https://www.sciencedirect.com/topics/engineering/buffer-circuits
With output currents up to 100 mA or more, “housekeeping” details of bypassing, grounding and wiring also become important, and must be considered to achieve high performance. These are briefly discussed here in the context of high current audio buffers, using the unity gain buffer circuit of Figure 6-35, as a point of departure.
Effect pedal circuits: the Buffer | Effect Pedal Kits
https://effectpedalkits.com/blog/effect-pedal-circuits-the-buffer/
Effect pedal circuits: the Buffer. Audio buffers provide a high input impedance for the audio signal and a low output impedance, meaning that they can drive circuits or pedals that require more current without degrading your audio signal. In a simple way, they take your “weak” input signal (maybe because of long wires, high output impedance ...
Op-Amp Audio: Realizing High Performance: Buffers (Part …
https://www.electronicdesign.com/technologies/analog/article/21774018/opamp-audio-realizing-high-performance-buffers-part-i
With the buffer used, the main feedback path through R F is taken after the buffer, and across the load, R L. The buffer circuit proper may include some specific details, such as bypassing ...
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