MULTIFREQUENCY TO TELEPHONE LINE INTERFACE CIRCUIT
Description
LINEAR INTEGRATED CIRCUIT
MULTIFREQUENCY TO TELEPHONE LINE INTERFACE CIRCUIT
The LS342 is a monolithic integrated circuit in dual in-line minidip plastic package. It interfaces the multifrequency tone diallers M751 and M761/761A to the line in telephone sets, performing the follow· ing functions:
Adjustment of the DC current/voltage characteristic and AC in...
