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GS1545-CQRE3 Datenblatt(PDF) 1 Page - Gennum Corporation

Teilenummer GS1545-CQRE3
Bauteilbeschribung  HDTV Serial Digital Equalizing Receiver
Download  19 Pages
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Hersteller  GENNUM [Gennum Corporation]
Direct Link  http://www.gennum.com
Logo GENNUM - Gennum Corporation

GS1545-CQRE3 Datenblatt(HTML) 1 Page - Gennum Corporation

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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
Revision Date: June 2004
Document No. 522 - 28 - 05
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
• Pb-free and Green
• single +5.0V power supply
• minimal component count for HD SDI receive
solutions
APPLICATIONS
SMPTE 292M Serial Digital Interfaces for Video Cameras,
Camcorders, VTRs, Signal Generators, Portable Equipment,
and NLEs.
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 auto-
matically recover the embedded clock signal and re-time
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.
SIMPLIFIED BLOCK DIAGRAM
ORDERING INFORMATION
PART NUMBER
PACKAGE
TEMPERATURE
Pb-FREE AND GREEN
GS1545-CQR
128 pin MQFP
0°C to 70°C
No
GS1545-CQRE3
128 pin MQFP
0°C to 70°C
Yes
RECLOCKER
CORE
EQUALIZER
CORE
S/P CONVERTER
BUFFER
DDO_EN
DDO
DDO
DATA_OUT[19:0]
DDI
DDI_VTT
(opt)
DDI
A/D
SDI
SDI
ANALOG-
DIGITAL
MUX &
BUFFER
DDOint
DDOint
PCLK_OUT
HD-LINXGS1545
HDTV Serial Digital
Equalizing Receiver


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