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2-W Stereo Audio Power Amplifier, with Advanced DC …
https://www.ti.com/lit/ds/symlink/tpa6012a4.pdf
GAIN (BTL) vs VOLUME VOLTAGE TPA6012A4 www.ti.com SLOS636 – OCTOBER 2009 3-WSTEREO AUDIO POWER AMPLIFIER WITH ADVANCED DC VOLUME CONTROL Check for Samples :TPA6012A4 1FEATURES DESCRIPTION 2• Advanced 32 Steps DC Volume Control – Steps From – 40 dB to 18 dB The TPA6012A4 is a stereo audio power amplifier
TDA8946AJ 2 x 15 W BTL audio amplifier with DC …
https://www.nxp.com/docs/en/data-sheet/TDA8946AJ.pdf
The TDA8946AJ is a dual-channel audio power amplifier with DC gain control. It has two Bridge-Tied Load (BTL) amplifiers with an all-NPN output stage and standby/mute logic. The overall gain can be adjusted from +30 dB down to −50 dB using a DC control voltage. This feature can be used for volume control or for a preset gain.
Stereo BTL audio output amplifier with DC volume …
https://www.nxp.com/docs/en/data-sheet/TDA7053A.pdf
The maximum gain of the amplifier is fixed at 40.5 dB. The DC volume control stages have a logarithmic control characteristic. Therefore, the total gain can be controlled from +40.5 to −33 dB. If the DC volume control voltage falls below 0.4 V, the device will switch to the mute mode. The amplifier is short-circuit protected to ground, VP and
TDA7056AT 3 W mono BTL audio amplifier with DC …
https://www.nxp.com/docs/en/data-sheet/TDA7056AT.pdf
The maximum gain of the amplifier is fixed at 35.5 dB. The DC volume control stage has a logarithmic control characteristic. The total gain can be controlled from +35.5 to −44 dB. If the DC volume control voltage is below 0.3 V, the device switches to the mute mode. The amplifier is short-circuit proof to ground, VP and across the load.
What Is A Gain Control? (It's NOT a Volume Control)
https://www.extremeaudio.org/what-is-a-gain-control/
Enter the gain control. The purpose of a gain control is to tune the amp’s input stage to accept the head unit’s voltage level. Think about it like a cellphone conversation. Your job is to listen to the person on the other end. With phone turned down too low, you can’t hear the other person over the background noise around you.
The Automatic Gain Control System
https://courses.ece.cornell.edu/ece5990/ECE5725_Fall2019_Projects/Dec_13_Demo/Auto%20Gain%20Control/dap263_jw2597_Monday/index.html
Audio distortion can damage speakers, and its presence, or significance, can often be reduced by decreasing the gain of the system. The automatic gain control system aims to detect distortion at the output of an amplifier, decrease the gain, and then recover the gain to the previous level when the distortion has subsided.
Simple Audio Circuits - Making Easy Circuits
https://makingcircuits.com/blog/audio-amplifier-circuits-using-fet/
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