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Stereo_volume_control

2017-01-02 02:29  
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Stereo_volume_control
This circuit uses both sections of an XR-13600 (Fig. 11-1B) as a stereo volume control with typical channel-to-channel gain tracking of 0.3 dB. The RP potentiometers are provided to minimize the output offset voltage and they can be replaced with two 510-Ω resistors in ac-coupled applications. With the values shown, amplifier gain is: VO/VIN = 940× IB (mA). EXAR corporation Databook 1990 p 5-253