April 1997 com PBL 3796, PBL 3796/2 Subscriber Line Interface Circuit Description PBL 3796 is an analog Subscriber Line Interface Circuits (SLICs), which are fabricated in a 75 V bipolar, monolithic process.
The programmable battery feed is resistive with short-loop current limiting.
A switch-mode regulator reduces on-chip power dissipation in the active state.
In the standby state, power dissipation is further reduced, while still permitting supervisory functions to be active.
Tip-ring polarity is reversible without altering SLIC supervisory and voice frequency (vf) functions.
Tip and ring outputs can be set to high impedance states.
These and other operating states are ac...

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