INTEGRATED CIRCUITS DATA SHEET TDA3857 Quasi-split sound processor with two FM demodulators Product specification File under Integrated Circuits, IC02 June 1994 Philips Semiconductors Product specification Quasi-split sound processor with two FM demodulators FEATURES • Quasi-split sound processor for all FM standards e.
g.
B/G TDA3857 • Reducing of spurious video signals by tracking function and AFC for the vision carrier reference circuit; (recommended for NICAM) • Automatic muting of the AF2 signal by the input level • Stereo matrix correction • Layout-compatible with TDA3856 (24 pins) and TDA3858 (32 pins).
GENERAL DESCRIPTION Symmetrical IF inputs.
Gain controlled wideband IF amplif...

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