Part number:
PBL38814
Manufacturer:
Ericsson
File Size:
239.32 KB
Description:
Voice - switched 2-channel circuit with loudspeaker amplifier.
Datasheet Details
Part number:
PBL38814
Manufacturer:
Ericsson
File Size:
239.32 KB
Description:
Voice - switched 2-channel circuit with loudspeaker amplifier.
PBL38814, Voice - switched 2-channel Circuit with loudspeaker amplifier
The PBL 388 14 contains all the necessary circuitry, amplifiers, detectors, comparator and control functions to implement a high performance voice switched handsfree two- way communication system.
The gain dynamics (attenuation between channels) is selectable (25dB or 50dB) via a separate pin.
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PBL38814 Features
* the power amplifiers volume control can be implemented either as an ac. potentiometer control or as a digital control by a µprocessor (dc. control) and that the feedback loop of the power amplifier is accessible thus making it possible to add a simple external power stage driving low impedance loud
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