Features:

o Very high input sensitivity

o Very low intermodulation

products

0 Minimal differential error

0 Constant input impedance in-

dependent of AGC

0 Video signal hardly affected

by supply voltage variations

0 Fixed video output voltage

with small tolerance range

o Very few external components

0 Positive or negative gating pulse

o Extreme fast AGC action, optimised

for fast search tuning systems

0 Positive as well as neg. video sig-

nal available from low-impedance

outputs

o TDA 4440 with PNP tuners

0 TDA 4450 with NPN tuners