LS156 Overview
LINEAR INTEGRATED CIRCUIT PRELIMINARY DATA TELEPHONE SPEECH CIRCUIT WITH MULTIFREOUENCY TONE GENERATOR INTERFACE The LS156 is a monolithic integrated circuit in 16-lead dual in-line plastic package to replace the hybrid circuit in telephone set. It works with the same type of transducers for both transmitter and receiver (typically piezoceramic capsules, but the device can work also with dynamic ones). Many of its...