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GS1574A Dataheets PDF



Part Number GS1574A
Manufacturers Gennum Corporation
Logo Gennum Corporation
Description HD-LINX-R II Adaptive Cable Equalizer
Datasheet GS1574A DatasheetGS1574A Datasheet (PDF)

www.DataSheet4U.com GS1574A HD-LINX® II Adaptive Cable Equalizer GS1574A Data Sheet Features • • • • • • • • • • • • • SMPTE 292M and SMPTE 259M compliant Automatic cable equalization Multi-standard operation from 143Mb/s to 1.485Gb/s Supports DVB-ASI at 270Mb/s Small footprint (4mm x 4mm) Pb-free and RoHS compliant Manual bypass (useful for low data rates with slow rise/fall times) Performance optimized for 270Mb/s and 1.485Gb/s Typical maximum equalized length of Belden 1694A cable: 140m at 1.

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www.DataSheet4U.com GS1574A HD-LINX® II Adaptive Cable Equalizer GS1574A Data Sheet Features • • • • • • • • • • • • • SMPTE 292M and SMPTE 259M compliant Automatic cable equalization Multi-standard operation from 143Mb/s to 1.485Gb/s Supports DVB-ASI at 270Mb/s Small footprint (4mm x 4mm) Pb-free and RoHS compliant Manual bypass (useful for low data rates with slow rise/fall times) Performance optimized for 270Mb/s and 1.485Gb/s Typical maximum equalized length of Belden 1694A cable: 140m at 1.485Gb/s, 350m at 270Mb/s 50Ω differential output (with internal 50Ω pull-ups) Manual output mute or programmable mute based on max cable length adjust Single 3.3V power supply operation Operating temperature range: 0°C to +70°C Description The GS1574A is a second-generation high-speed BiCMOS integrated circuit designed to equalize and restore signals received over 75Ω co-axial cable. The GS1574A is designed to support SMPTE 292M and SMPTE 259M, and is optimized for performance at 270Mb/s and 1.485Gb/s. The GS1574A features DC restoration to compensate for the DC content of SMPTE pathological test patterns. A voltage programmable mute threshold (MCLADJ) is included to allow muting of the GS1574A output when an approximate selected cable length is reached for SMPTE 259M signals. This feature allows the GS1574A to distinguish between low amplitude SD-SDI signals and noise at the input of the device. The serial digital outputs of the GS1574A may be forced to a mute state by applying a voltage to the MUTE pin. Power consumption is typically 215mW using a 3.3V power supply. The GS1574A is lead-free, and the encapsulation compound does not contain halogenated flame retardant. This component and all homogeneous subcomponents are RoHS compliant. Applications • SMPTE 292M and SMPTE 259M Coaxial Cable Serial Digital Interfaces. MCLADJ CABLE LENGTH ADJUSTOR CARRIER DETECT MUTE CD MUTE BYPASS SDI SDI EQUALIZER DC RESTORE OUTPUT SDO SDO AGC GS1574A Functional Block Diagram 33416 - 5 March 2006 1 of 16 www.gennum.com GS1574A Data Sheet Contents Features ........................................................................................................................1 Applications...................................................................................................................1 Description ....................................................................................................................1 1. Pin Out ......................................................................................................................3 1.1 GS1574A Pin Assignment ..............................................................................3 1.2 GS1574A Pin Descriptions .............................................................................3 2. Electrical Characteristics ...........................................................................................5 2.1 Absolute Maximum Ratings ........................................


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