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MC33219A Datasheet Voice Switched Speakerphone Circuit

Manufacturer: Motorola Semiconductor (now NXP Semiconductors)

Overview: Order this document by MC33219A/D MC33219A Voice Switched Speakerphone The Motorola MC33219A Voice Switched Speakerphone Circuit incorporates the necessary amplifiers, attenuators, level detectors,.

Key Features

  • ound noise monitor. Input to the transmit background noise monitor. An RC sets the time constant for the transmit background noise monitor. Input to the transmit level detector. Output of the transmit level detector. A mid.
  • supply reference voltage, and analog ground for the amplifiers. This must be well bypassed for proper power supply rejection. An RC sets the switching time between transmit, receive and idle modes. Chip Disable (Logic Input). When low, the IC is active. When high, the.

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