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GS1504-CTD 데이터시트(PDF) 1 Page - Gennum Corporation |
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GS1504-CTD 데이터시트(HTML) 1 Page - Gennum Corporation |
1 / 12 page 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: March 2000 Document No. 522 - 05 - 02 PRELIMINARY DATA SHEET HD-LINX ™ GS1504 HDTV Adaptive Equalizer FEATURES • SMPTE 292M compliant • Automatic, adjustment free cable equalization for 1.485Gb/s HDTV signals • Differential serial outputs capable of driving 50 Ω loads • Typically equalizes 100m of Belden 8281 or 150m of Belden 1694 high quality co-axial cable • Cable Length Indication • Output Mute • Maximum Cable Length Adjust •Low power • Minimal external components • Single +5V or -5V power supply operation APPLICATIONS 1.485Gb/s HDTV Serial Digital Receiver Interfaces for Routers, Distribution Amplifiers, Switchers, and other receiving equipment. DESCRIPTION The GS1504 is a high performance cable equalizer designed to equalize HDTV component signal conforming to SMPTE 292M. The adaptive cable equalizer is capable of equalizing up to 100m of Belden 8281 co-axial cable. The GS1504 features DC restoration for immunity to the DC content in pathological test patterns. The device also incorporates a Cable Length Indicator signal that provides an indication of the amount of cable being equalized. A voltage programmable mute threshold (MCLADJ) is included to allow muting of the GS1504 output when a selected cable length is reached. This feature allows the GS1504 to distinguish between low amplitude HD SDI signals and noise at the input of the device. The CD/Mute pin provides an indication of the GS1504 mute status in addition to functioning as a mute control input. The output of the GS1504 may be forced to an active or a mute condition by applying a voltage to the CD/Mute pin. The GS1504 is a low power device that operates from a single 5V power supply. The GS1504 is packaged in a 16 pin narrow SOIC and does not need external pull-up resistors. BLOCK DIAGRAM ORDERING INFORMATION PART NUMBER PACKAGE TEMPERATURE GS1504-CKD 16 pin narrow SOIC 0°C to 70°C GS1504-CTD 16 pin Tape and Reel 0°C to 70°C CABLE LENGTH INDICATOR/ADJUSTOR CARRIER DETECT MUTE MCLADJ CLI CD/MUTE EQUALIZER DC RESTORE OUTPUT AGC SDI SDI SDO SDO PATENT PENDING |
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