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BL1062A1 - Low voltage transmission

General Description

The BL1062A1 is integrated circuits that perform all speech and line interface functions required in fully electronic telephone sets.

It performs electronic switching between dialling and speech.

Key Features

  • Low DC line voltage; operates down to 1.6 V (excluding polarity guard) Voltage regulator with adjustable static resistance Provides a supply for external circuits Symmetrical high-impedance inputs (64 Κ Ω ) for dynamic, magnetic or piezoelectric microphones Asymmetrical high-impedance input (32 ΚΩ) for electret microphones DTMF signal input with confidence tone Mute input for pulse or DTMF dialling, active LOW (MUTE) Receiving amplifier for dynamic, magnetic or piezoelectric earpieces Large gain.

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Datasheet Details

Part number BL1062A1
Manufacturer SHANGHAI BELLING
File Size 278.95 KB
Description Low voltage transmission
Datasheet download datasheet BL1062A1 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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www.DataSheet4U.com BL1062A1 Low voltage transmission circuits with dialer interface 1. GENERAL DESCRIPTION The BL1062A1 is integrated circuits that perform all speech and line interface functions required in fully electronic telephone sets. It performs electronic switching between dialling and speech. The ICs operate at line voltage down to 1.6 V DC (with reduced performance) to facilitate the use of more telephone sets connected in parallel. BL1062A1 improves the EMC performance in-circuit that can enhance the telephone sets’ EMC. 2. FEATURES Low DC line voltage; operates down to 1.