TDA3856 Datasheet (NXP) - Quasi-split sound processor

TDA3856, Quasi-split sound processor

TDA3856 Separate symmetrical IF inputs for FM or AM sound.

Gain controlled wideband IF amplifier, input select switch.

AGC generation due to peak sync for FM or mean signal level for AM.

Reference amplifier for the regeneration of the vision carrier.

Optimized limiting amplifier for AM suppression

TDA3856 Features

* Quasi-split sound processor for all standards e. g. B/G (FM sound) and L (AM sound)

* Automatic muting of the AF2 signal (at B/G) by the input level

* AM signal processing for L standard and switching over the audio signal

* Layout-compatible with TDA3858 (32 pins)