GL6962A
Description
The GL6962 and GL6962A are bipolar integrated circuits that perform all speech and line interface functions required in fully electronic telephone sets.
Key Features
- Low DC line voltage: operates down to 1.6V (excluding polarity guard)
- Voltage regulator with adjustable static resistance
- Provides a supply for external circuits
- Symmetrical high-impedance inputs (64k ) for dynamic, magnetic or piezo-electric microphones
- Asymmetrical high-impedance inputs(32k ) for electric microphones
- DTMF signal input with confidence tone
- MUTE input for pulse or DTMF dialing (GL6962)
- MUTE input for pulse or DTMF dialing (GL6962A)
- Receiving amplifier for dynamic, magnetic or piezo-electric earpieces
- Large gain setting ranges on microphone and earpiece amplifiers
