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Output Inductors. - Audio Amplifier Design
https://renardson-audio.com/damping.html#:~:text=In%20a%20complete%20amplifier%20there%20is%20usually%20overall,Low%20frequency%20loop%20gain%20is%20taken%20as%2060dB.
Audio Amplifier Feedback - Lead Compensation
https://blog.easychipamp.com/2021/02/audio-amplifier-feedback-lead.html
Textbooks say that the properly placed zero should cancel one of the amplifier's poles. The reality is more complex. First, lead compensation only works when the crossover frequency (where the loop gain become unity) occurs …
Amplifier Compensation. - Angelfire
http://www.angelfire.com/electronic/funwithtubes/Amp-Compensation.html
Step-by-step Amplifier Compensation. Open the negative feedback loop and remove all compensating capacitors. Configure the amplifier as shown in figure 4. Decide how much feedback, in dB, you want to apply to the amplifier. Calculate loop gain AB from, AB = 10^(dB/20) - …
Temperature drift compensation for audio power …
https://www.edn.com/temperature-drift-compensation-for-audio-power-amplifiers/
Temperature drift compensation for audio power amplifiers. This article describes a technique to compensate the DC voltage drift in the output of a directly-coupled AB-Class audio power amplifier. The main benefit of a directly-coupled output is improved bass response. Since the design eliminates the DC-blocking capacitor, its low-frequency transfer characteristics are …
Some Ideas on Temperature Compensation for Audio Amplifier ...
http://hifisonix.com/audio-amplifier-temperature-compensation/
October 27, 2013 · by Bonsai · in Audio Design Library. Temperature compensating an EF3 audio power amplifier output stage is not a trifling task. There are 6 Vbe junctions, running at 3 different current densities, different temperatures and neither is the thermal performance of the heatsink assembly characterized In most DIY cases. This makes deploying a conventional …
Audio Amplifier Feedback - Lag Compensation
https://blog.easychipamp.com/2021/03/audio-amplifier-feedback-lead-lag.html
The compensation network adds to the loop gain a pole at ω p = 1 ( R N + R I | | R F) C N and a zero at ω z = 1 R N C N; note that ω p < ω z ( green is the forward gain of the amplifier, blue is 1 / B ): The loop gain is reduced by 3dB at ω p and keeps falling until the zero cancels the effect of the pole, including the extra phase lag. The crossover shifts to a lower …
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