Description
The PBL 3853 is a biopolar integrated speech circuit with specific parameters making it highly suitable to be used as a line interface and speech circuit in a telephone line powered electronic payphone.
Features
- Low own current consumption.
- Can operate both with active and passive impedance towards the line.
- Derives a high current from the line for auxiliary functions, 12 mA at 16 mA line current.
- Separate mute inputs for transmitter and receiver (receiver cut off).
- Line length regulation possible (line loss compensation.
- Comes in 18 pin DIP and 20-pin SO package.
- High line current operation, max. 130 mA.
- Especially suitable for pa.
PBL3853_Ericsson.pdf
