Circuit Descriptions, Abbreviation List, and IC Data Sheets
EN 223JL2.1E AA 9.
PLL Phase Locked Loop. Used for e.g.
FST tuning systems. The customer
can give directly the desired frequency
POR Power On Reset, signal to reset the uP
Progressive Scan Scan mode where all scan lines are
displayed in one frame at the same
time, creating a double vertical
resolution.
PTC Positive Temperature Coefficient,
non-linear resistor
PWB Printed Wiring Board (same as "PCB")
PWM Pulse Width Modulation
QTNR Quality Temporal Noise Reduction
QVCP Quality Video Composition Processor
RAM Random Access Memory
RGB Red, Green, and Blue. The primary
colour signals for TV. By mixing levels
of R, G, and B, all colours (Y/C) are
reproduced.
RC Remote Control
RC5 / RC6 Signal protocol from the remote
control receiver
RESET RESET signal
ROM Read Only Memory
R-TXT Red TeleteXT
SAM Service Alignment Mode
S/C Short Circuit
SCART Syndicat des Constructeurs
d'Appareils Radiorecepteurs et
Televisieurs
SCL Serial Clock I
2
C
SCL-F CLock Signal on Fast I
2
C bus
SD Standard Definition
SDA Serial Data I
2
C
SDA-F DAta Signal on Fast I
2
C bus
SDI Serial Digital Interface, see “ITU-656”
SDRAM Synchronous DRAM
SECAM SEequence Couleur Avec Memoire.
Colour system mainly used in France
and East Europe. Colour carriers=
4.406250 MHz and 4.250000 MHz
SIF Sound Intermediate Frequency
SMPS Switched Mode Power Supply
SOG Sync On Green
SOPS Self Oscillating Power Supply
S/PDIF Sony Philips Digital InterFace
SRAM Static RAM
SSB Small Signal Board
STBY STand-BY
SVGA 800x600 (4:3)
SVHS Super Video Home System
SW Software
SWAN Spatial temporal Weighted Averaging
Noise reduction
SXGA 1280x1024
TFT Thin Film Transistor
THD Total Harmonic Distortion
TMDS Transmission Minimized Differential
Signalling
TXT TeleteXT
TXT-DW Dual Window with TeleteXT
uP Microprocessor
UXGA 1600x1200 (4:3)
V V-sync to the module
VCR Video Cassette Recorder
VESA Video Electronics Standards
Association
VGA 640x480 (4:3)
VL Variable Level out: processed audio
output toward external amplifier
VSB Vestigial Side Band; modulation
method
WYSIWYR What You See Is What You Record:
record selection that follows main
picture and sound
WXGA 1280x768 (15:9)
XTAL Quartz crystal
XGA 1024x768 (4:3)
Y Luminance signal
Y/C Luminance (Y) and Chrominance (C)
signal
YPbPr Component video. Luminance and
scaled colour difference signals (B-Y
and R-Y)
YUV Component video
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