PNX3000 Description
ORDERING INFORMATION QUICK REFERENCE DATA BLOCK DIAGRAM PINNING FUNCTIONAL DESCRIPTION Vision IF DTV IF Sound IF CVBS/YC source selector RGB/YPbPr source selector Video ADCs and anti-alias filters Audio source selectors and A to D converters Microphone inputs.
PNX3000 Key Features
- Multi-standard vision IF circuit with alignment-free PLL demodulator without external ponents
- Internal (switchable) time-constant for the IF AGC circuit
- DTV IF circuit for gain control of digital broadcast TV signals
- Sound IF amplifier with separate AGC circuit for quasi-split sound
- IF circuit can also be used for intercarrier sound
- Analog demodulator for AM sound
- Integrated sound trap and group delay correction
- Video ident function detects the presence of a video signal
- Video source selector with four external CVBS or YC inputs and two analog CVBS outputs with independent source selection
- Two linear inputs for 1fH or 2fH RGB signals with source selector; the RGB signals are converted to YUV before A to D co