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What is a buffering circuit?
https://www3.nd.edu/~lemmon/courses/ee224/web-manual/web-manual/lab5/node6.html
A buffer is a unity-gain amplifier that has an extremely high input resistance and an extremely low output resistance. This means that the buffer can be modelled as a voltage controlled voltage source that has a gain of one. We connect the buffer to our DAC as shown in figure 6. Note that we've represented the DAC by its Thevenin equivalent circuit.
What is an audio buffer? – PS Audio
https://www.psaudio.com/askpaulvideo/what-is-an-audio-buffer/
Lets just say, we’re gonna use two 6922 tubes to make a buffer amplifier. You have the plates of one tube feeding in to the screens of the other tube. The first tube, is gonna give you the high voltage, the second tube, is gonna give you the high currant. In most cases, you don’t need anymore then 250MV going in.
High Impedance Audio Buffer With JFET | Full Project …
https://www.electronicsforu.com/electronics-projects/high-impedance-audio-buffer-jfet
The high impedance audio buffer circuit described here can be used to enhance the AC input impedance of audio amplifiers that are used with pickups in musical instruments. Some signal sources for preamplifiers, passive pickups for electric guitars or sensors based on capacitors require very high-impedance of over 5-mega-ohm.
Op-Amp Audio: Realizing High Performance: Buffers (Part …
https://www.electronicdesign.com/technologies/analog/article/21774018/opamp-audio-realizing-high-performance-buffers-part-i
The buffer circuit proper may include some specific details, such as bypassing, parasitic suppression resistances, etc.; this will be an individual thing. There should almost always be …
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…) and transform it in a strong signal …
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