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)