MULTISTANDARD PIF / SIF SYNCHRONOUS DEMODULATOR IC

FEATURES

PIF CIRCUIT

● True synchronous PIF demodulator

● 3-stages gain controlled PIF amplifier

● High speed response PIF AGC detector

● Buzz reducer

● 2 video inputs for selecting sound-carrier traps

● Equalizer for video output

● AFT detector without extra reference circuit

SIF CIRCUIT

● Wide range gain controlled SIF amplifier (control range : 70 dB Typ.)

● Alignment-free PLL-FM demodulator

● Selectable 4 2nd-SIF inputs, 2 gain mode audio amplifier (0 dB / 6 dB), and 2 mode de-emphasis circuit (50 µs / 75 µs)