UTC1062A
LI NEAR I NTEGRATED CI RCUI T
LOW VOLTAGE TELEPHONE TRANSMISSION CIRCUIT WITH DIALLER INTERFACE
DESCRIPTION
The UTC1062A is a bipolar integrated circuit per- forming 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...