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GS1545-CQR

Description
HDTV Serial Digital Equalizing Receiver
File Size197KB,19 Pages
ManufacturerETC
Download Datasheet Compare View All

GS1545-CQR Overview

HDTV Serial Digital Equalizing Receiver

HD-LINX
GS1545
HDTV Serial Digital
Equalizing Receiver
PRELIMINARY DATA SHEET
FEATURES
• SMPTE 292M compliant
• 1.485 and 1.485/1.001Gb/s operation
• integrated adaptive cable equalizer
• integrated adjustment-free reclocker
• 1:20 serial to parallel conversion
• selectable reclocked serial output
• analog/digital input MUX
• carrier detect
• LOCK detect
• input jitter indicator (IJI)
• cable length indication
• maximum cable length adjust
• 20 bit output
• 74.25MHz or 74.25/1.001MHz clock output
• single +5.0V power supply
• minimal component count for HD SDI receive
solutions
APPLICATIONS
SMPTE 292M Serial Digital Interfaces for Video Cameras,
Camcorders,
VTR's,
Signal
Generators,
Portable
Equipment, and NLE's.
DESCRIPTION
The GS1545 is a high performance integrated Equalizing
Receiver designed for HDTV component signals,
conforming to the SMPTE 292M standard. The GS1545
includes adjustment free, adaptive cable equalization, clock
and data recovery, and serial to parallel conversion.
The Equalizer stage features DC restoration for immunity to
the DC content in pathological test patterns.
The Clock and Data Recovery stage was designed to
automatically recover the embedded clock signal and
retime the data from SMPTE 292M compliant digital video
signals. There is also a selectable reclocked serial data
output and the ability to bypass the reclocker stage.
A unique feature, Input Jitter Indicator (IJI), is included for
robust system design. This feature is used to indicate
excessive input jitter before the chip mutes the outputs.
The Serial to Parallel conversion stage provides 1:20 S/P
conversion
The GS1545 uses the GO1515 external VCO connected to
the internal PLL circuitry to achieve ultra low noise PLL
performance.
ORDERING INFORMATION
PART NUMBER
GS1545-CQR
PACKAGE
128 pin MQFP
TEMPERATURE
0°C to 70°C
GS1545
SDOint
SDI
SDI
EQUALIZER
CORE
SDOint ANALOG-
DIGITAL
MUX &
BUFFER
RECLOCKER
CORE
S/P CONVERTER
DATA_OUT[19:0]
PCLK_OUT
BUFFER2
SDO
SDO
DDI
DDI_V
TT
DDI
(opt)
A/D
SDO_EN
SIMPLIFIED BLOCK DIAGRAM
Revision Date: August 2000
GENNUM CORPORATION P.O. Box 489, Stn. A, Burlington, Ontario, Canada L7R 3Y3
Tel. +1 (905) 632-2996 Fax. +1 (905) 632-5946 E-mail: info@gennum.com
www.gennum.com
Document No. 522 - 28 - 00

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