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Part: GS9064
Category:
Multimedia
-> Video
-> Video Transport
Description: Adapative Cable Equalizer For Sd-sdi & DVB-ASI. 3.3V Supply.
Company: Gennum Corporation
Datasheet: Download GS9064 datasheet File size : 28 kB
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Datasheet text preview:
GS9064 SD SDI Adaptive Cable Equalizer
PRODUCT BRIEF FE ATURE S · SMPTE 259M-C compliant · automatic cable equalization · supports DVB-ASI at 270Mb/s · manual bypass (useful for low data rates with slow rise/fall times) · typical maximum equalized length of Belden 1694A cable at 270Mb/s is greater than 350m · 50 differential output (with internal 50 pull-ups) · cable length indicator · output mute based on maximum cable length adjust or manual override · single 3.3V power supply operation · operating temperature range: 0°C to +70°C · pin compatible with HDLINXTM II GS1524 multirate SDI adaptive cable equalizer A P P LI C A T I O N S · SMPTE 259M-C Coaxial Cable Serial Digital Interfaces ORDERING O RDE RI N G INFORMATION
PART NUMBER PACKAGE TEMPERATURE
CI RCUI T DESCRIPTION The GS9064 is a second-generation high-speed bipolar integrated circuit designed to equalize and restore 270Mb/s signals received over 75 co-axial cable. The GS9064 is designed to support both SMPTE 259M-C and DVB-ASI at 270Mb/s. The GS9064 features DC restoration to compensate for the DC content of SMPTE pathological test patterns, and incorporates a Cable Length Indicator that provides a linear indication of the amount of cable being equalized. A voltage programmable mute threshold (MCLADJ) is included to allow muting of the GS9064 output when a selected cable length is reached. This feature allows the GS9064 to distinguish between low amplitude SDI signals and noise at the input of the device. The MUTE/CD pin provides an indication of the GS9064 mute status in addition to functioning as a mute control input. The output of the GS9064 may be forced to an active or a mute condition by applying a voltage to the MUTE/CD pin.
GS9064
TBD
TBD
0°C to 70°C
MCLADJ
CABLE LENGTH INDICATOR/ADJUSTOR CARRIER DETECT MUTE
CLI CD/MUTE
SDI SDI
EQUALIZER
DC RESTORE
OUTPUT
SDO SDO
AGC
FUNCTIONAL BLOCK DIAGRAM
Revision Date: February 2002 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. 22553 - 0
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