74C932

www.DataSheet4U.com MM54C932 MM74C932 Phase Comparator February 1988 MM54C932 MM74C932 Phase Comparator General Description The MM74C932 MM54C932 consists of two independent output phase comparator circuits The two phase comparators have a common signal input and a common comparator input The signal input can be directly coupled for a large voltage signal or capacitively coupled to the self-biasing amplifier at the signal input for a small voltage signal Phase comparator I an exclusive-OR gate provides a digital error signal (phase comp I out) and maintains 90 phase shifts at the VCO center frequency Between signal input and comparator input (both at 50% duty cycle) it may lock onto the signal input frequencies that are close to harmonics of the VCO center frequency Phase comparator II is an edge-controlled digital memory network It provides a digital error signal (phase comp II out) and lock in signal (phase pulses) to indicate a locked condition and maintains a 0 phase shift between signal input and comparator input Features Y Y Y Y Wide supply voltage range Convenient mini-DIP package TRI-STATE phase-comparator output (comparator II) 200 mV input voltage (signal in) sensitivity (typical) Block and Connection Diagrams www.DataSheet4U.com TL F 5921– 1 Dual-In-Line Package TL F 5921– 2 Top View Order Number MM54C932 or MM74C932 TRI-STATE is a registered trademark of National Semiconductor Corporation C1995 National Semiconductor Corporation w w w .d h s a t a ...