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Single-supply buffer help | diyAudio
https://www.diyaudio.com/community/threads/single-supply-buffer-help.274302/
Most commonly used audio op amps can run on a single voltage. The trick--to call it that--is to bias the non-inverting input to 1/2 supply voltage. This puts the op amp itself (and the entire audio circuit) at 1/2 supply voltage, so it actually is running on a dual voltage. The power supply becomes the positive side, ground becomes the negative side.
single-ended buffer (SE-buffer) - calvins-audio-pages
https://calvins-audio-page.jimdofree.com/ideas-and-circuits/buffers/bipolar-buffer-en/
single-ended buffer (SE-buffer) Fig.1. The simplest form of a SE-buffer is the emitter-follower, working upon a resistor as load. The signal is taken AC-coupled from the output through Capacitor C. By action of the base voltage and the …
Single supply opamp buffer - All About Circuits
https://forum.allaboutcircuits.com/threads/single-supply-opamp-buffer.111094/
A single-supply op amp will have a common-mode minimum value and an output swing that goes to the negative rail (which is ground in a single-supply configuration). Standard op amps typically only go to within a couple volts of the negative rail for those two parameters, thus cannot work down to zero volts in a single supply setup. Alec_t
Single supply 6922 buffer with 2SK CCS - diyAudio
https://www.diyaudio.com/community/threads/single-supply-6922-buffer-with-2sk-ccs.136367/
Single supply 6922 buffer with 2SK CCS | diyAudio WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES. Building, troubleshooting and testing of these amplifiers should only be performed by someone who is thoroughly familiar with the safety precautions around high voltages. Amplifiers Tubes / Valves
Single-Supply Operation of Operational Amplifiers
https://www.ti.com/lit/an/sboa059/sboa059.pdf
Notice that in this example, a single +12V supply is shown. Often, single-supply applications use supply voltages which are considerably less than the 30V total ( ±15V) at which the performance of most op amps is specified. While modern op amps generally perform well at less than their character-ized voltage, this needs to be verified. Some op ...
single supply Post-LPF and Differential to Single-Ended ...
https://e2e.ti.com/support/audio-group/audio/f/audio-forum/420465/single-supply-post-lpf-and-differential-to-single-ended-buffer-for-dac-output-of-pcm3168
The first is the input buffer from single ended to differential... is the same as the datasheet, just with a little change: I replaced 3k resistors for 2k7. The reason is because line level for pro audio is 1.736 V magnitude...
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