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High Impedance Audio Buffer With JFET | Full Project Available
https://www.electronicsforu.com/electronics-projects/high-impedance-audio-buffer-jfet#:~:text=The%20high%20impedance%20audio%20buffer%20circuit%20described%20here,on%20capacitors%20require%20very%20high-impedance%20of%20over%205-mega-ohm.
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.
High Impedance Audio Buffer With JFET | Full Project …
https://www.electronicsforu.com/electronics-projects/high-impedance-audio-buffer-jfet/2
High Impedance Audio Buffer With JFET By Petre Tzv Petrov. He was a researcher and assistant professor in Technical University of Sofia (Bulgaria) and expert-lecturer in OFPPT (Casablanca), Kingdom of Morocco. Now he is working as an electronics engineer in the private sector in Bulgaria. June 14, 2016 46798 JFETs
Build a Discrete High Output Current Buffer with JFET ...
https://audioxpress.com/article/build-a-discrete-high-output-current-buffer-with-jfet-input-by-dimitri-danyuk
The buffer input may come from a high impedance signal source. If the input impedance of the buffer is changing with the input voltage, the resulting distortion will be significantly higher than the values obtained for the low source impedance.
What is an audio buffer? – PS Audio - High-End 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.
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