L7591
Subscriber Line Interface Circuit ProtectorData Sheet October 1997
L7591 Subscriber Line Interface Circuit Protector
Features
s
Description
The L7591 Subscriber Line Interface Circuit (SLIC) Protector is designed to protect line-feed circuitry from fault-induced lightning and power-cross surge pulses. If a fault current forces TIP and/or R
Agere Systems
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L7590C
Telephone Ringing DriverData Sheet June 1998
L7590C Telephone Ringing Driver
Features
s
Description
The L7590C Telephone Ringing Driver produces a low-frequency sinusoidal ringing signal for analog telephone loops. This is accomplished by producing an output pulse stream that is an amplified replica of the digital input
Agere Systems
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