AK4140 Datasheet - Asahi Kasei Microsystems

AK4140 Digital BTSC Decoder

The AK4140 is a BTSC decoder, which is optimized for Digital STB/TV application. The AK4140 achieves high audio performance using original demodulation techniques for 4.5MHz inter-carrier sound, and the digital BTSC decoding architecture using digital dbx-TV® technology licensed from THAT Corporatio.

AK4140 Features

* Capable of receiving 4.5MHz intercarrier sound and FM demodulation Alignment Free Digital BTSC decoding (Mono/Stereo/SAP) Programmable pilot/SAP/noise detection threshold Automatic return to mono dependant on pilot/noise level Mono/Stereo/SAP selectable output Digital volume control So

AK4140_AsahiKaseiMicrosystems.pdf