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Effect pedal circuits: the Buffer | Effect Pedal Kits
https://effectpedalkits.com/blog/effect-pedal-circuits-the-buffer/
Effect pedal circuits: the Buffer. Posted on August 19, 2017. August 24, 2018 by EPK Posts. 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 …
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
Fig. 1: Circuit diagram of the high impedance audio buffer with JFET. Audio input is applied to connector CON1. Input impedance depends mainly on the values of resistors R2 and R8 and is around 5-mega-ohm. If resistors R8 and R9 and capacitor C6 are omitted, input resistance will depend mainly on R2 and will be around 10-mega-ohm.
An audio circuit collection, Part 3 - Texas Instruments
https://www.ti.com/lit/an/slyt134/slyt134.pdf
The circuit in Figure 5a acts like a unity gain buffer, with a voltage divider on the input voltage. The gain will be at its minimum value of –17 dB (1/7). For RS = 470 Ω, R1 can be calculated: The circuit in Figure 5b acts like a non-inverting gain stage, with the input resistance R1 being ignored. The gain will be at its maximum value of 17 dB (7). For
1 Audio Amplifiers 2 Buffer Amplifiers/Driving Cap …
https://www.analog.com/media/en/training-seminars/design-handbooks/Op-Amp-Applications/Section6.pdf
Audio signal preamplifiers (preamps) represent the low-level end of the dynamic range of practical audio circuits using modern IC devices. In general, amplifying stages with input signal levels of 10mV or less fall into the preamp category. This section discusses some basic types of audio preamps, which are:
Op-Amp Audio: Realizing High Performance: Buffers (Part …
https://www.electronicdesign.com/technologies/analog/article/21774018/opamp-audio-realizing-high-performance-buffers-part-i
This is done by packaging a simple, four-lead IC buffer like the BUF04, and a highly linear IC op amp such as the AD744, together as a (isolated) two-chip solution in a common package. Other...
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