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PBL38812

Voice-switch circuit for Handsfree speakerphone TAM

PBL38812 Features

* Settable gain dynamics (25 or 50 dB).

* Low power consumption, totally 1.0mA at 3.3V typical.

* Background noise compensation in the transmitting channel with hold function.

* Exellent noise performance.

* Both channel input amplifiers have balanced inputs.

PBL38812 General Description

The PBL 388 12 contains all the necessary circuitry, amplifiers, detectors, comparators and control functions to implement a high performance, voice-switched, ”hands-free ” function in an answering machine. The gain dynamics (attenuation between channels) is settable (25dB or 50dB) via CTR pin that .

PBL38812 Datasheet (133.97 KB)

Preview of PBL38812 PDF

Datasheet Details

Part number:

PBL38812

Manufacturer:

Ericsson

File Size:

133.97 KB

Description:

Voice-switch circuit for handsfree speakerphone tam.

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PBL38812 Voice-switch circuit for Handsfree speakerphone TAM Ericsson

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