Tip Ring Access Switch

Description The L7582 Tip Ring Access Switch is a monolithic solid-state device that provides the switching functionality of a 2 form C switch. The L7582 is designed to provide power ringing access to tip and ring in central office, digital loop carrier, private branch exchange, digitally added

LCD Driver

Features . 53 Segments(max.) output(Static display) . Drive system : 1/1duty(53 Segments), 1/2duty(104 Segments) . Data input : 3 serial input pins . 2Pins for 5-level AD converter

LCD Driver

Features . 53 Segments(max.) output(Static display) . Drive system : 1/1duty(53 Segments), 1/2duty(104 Segments) . Data input : 3 serial input pins . 2Pins for 5-level AD converter

LCD Driver

Features . 53 Segments(max.) output(Static display) . Drive system : 1/1duty(53 Segments), 1/2duty(104 Segments) . Data input : 3 serial input pins . 2Pins for 5-level AD converter

pie/4 Shift QPSK MODEM

GENERAL DESCRIPTION The MSM7582/7582B are CMOS ICs for the π/4 shift QPSK modem developed for the digital cordless telephone systems. The devices are designed for Personal and Cell station applications, the MSM7582B is the improved MSM7582 in modulator burst rise-up and fall-down characteristics