Radio tuning PLL frequency synthesizers

文件：650.67 Kbytes 頁(yè)數(shù)：14 Pages

PHI

PHI

TSA6057

Overview

恩XP

Radio tuning PLL frequency synthesizers

文件：650.67 Kbytes 頁(yè)數(shù)：14 Pages

PHI

PHI

Radio tuning PLL frequency synthesizer

GENERAL DESCRIPTION\nThe TSA6057 is a bipolar single chip frequency synthesizer manufactured in SUBILO-N technology\n(components laterally separated by oxide). It performs all the tuning functions of a PLL radio tuning system. The IC is designed for application in all types of radio receivers.FEATUR ? On-chip AM and FM prescalers with high input sensitivity\n? On-chip high performance one input (two output) tuning voltage amplifier for the AM and FM loop filters\n? On-chip 2-level current amplifier (charge pump) to adjust the loop gain\n? Only one reference oscillator (4 MHz) for both AM and FM;

恩XP