XR-T6420-2 circuit equivalent, speakerphone audio circuit.
Two Matched Variable Gain Cells Internal Microphone Amplifier Independent Control of Transmitting and Receiving Levels External Control of Gains and Frequency Response En.
Speakerphones Intercoms Voltage Controlled Amplifiers
ABSOLUTE MAXIMUM RATINGS
Power Supply (VCC - VEE) Power Dissipat.
The XR-T6420-2 is a monolithic integrated circuit for use in high performance speakerphone systems. It is designed to be used with the XR-T6421 Speakerphone Control Circuit.
The XR-T6420-2 contains the audio paths comprising the following: Two variab.
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