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UTCTEA1062AN Datasheet PDF - Unisonic Technologies

Part NameDescriptionManufacturer
UTCTEA1062AN LOW VOLTAGE TELEPHONE TRANSMISSION CIRCUIT WITH DIALLER INTERFACE UTC
Unisonic Technologies UTC
Other PDF  no available.
UTCTEA1062AN Datasheet PDF : UTCTEA1062AN pdf   
UTCTEA1062A image

DESCRIPTION
The UTC TEA1062N / TEA1062AN is a bipolar integrated circuit performing all speech and line interface function, required in the fully electronic telephone sets. It performs electronic switching between dialing speech. The circuit is able to operate down to D.C. line voltage of 1.6V (with reduced performance) to facilitate the use of more telephone sets in parallel.

FEATURES
* Low d.c. line voltage; operates down to 1.6V (excluding polarity guard).
* Voltage regulator with adjustment static resistance.
* Provides supply with limited current for external circuitry.
* Symmetrical high-impedance inputs (64kΩ) for dynamic, magnetic or piezoelectric microphones.
* Asymmetrical high-impedance inputs (32kΩ) for electret microphones.
* DTMF signal input with confidence tone.
* Mute input for pulse or DTMF dialing.
* Receivering amplifier for several types of earphones.
* Large amplification setting range on microphone and earpiece amplifiers.
* Line loss compensation facility , line current depedant (microphone and earpiece amplifiers).
* Gain control adaptable to exchange supply.
* Possibility to adjust the d.c. line voltage.

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