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MICRONAS INTERMETALL
PRELIMINARY DATA SHEET
VPX 3225D, VPX 3224D Video Pixel Decoders
Edition March 5, 1997 6251-432-1PD
MICRONAS
VPX 3225D, VPX 3224D
Contents
Page
Section Title
5
1.
Introduction
5
1.1.
System Architecture
7
2.
Functional Description
7
2.1.
Analog Front-End
7
2.1.1.
Input Selector
7
2.1.2.
Clamping
7
2.1.3.
Automatic Gain Control
7
2.1.4.
Analog-to-Digital Converters
7
2.1.5.
ADC Range
7
2.1.6.
Digitally Controlled Clock Oscillator
9
2.2.
Color Decoder
9
2.2.1.
Demodulator
9
2.2.2.
IF-Compensation
10
2.2.3.
Chrominance Filter
10
2.2.4.
Frequency Demodulator
10
2.2.5.
Burst Detection
11
2.2.6.
Color Killer Operation
11
2.2.7.
PAL Compensation/1-H Comb Filter
12
2.2.8.
Luminance Notch Filter
12
2.3.
VPX3225D Datasheet
