UTC1062A - Low Voltage Telephone Transmission Circuit
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 fa
UTC1062A 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 (64k Ω for dynamic, magnetic or piezoelectric microphones
