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GS1574-CNE3 データシート(PDF) 1 Page - Gennum Corporation |
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GS1574-CNE3 データシート(HTML) 1 Page - Gennum Corporation |
1 / 18 page www.gennum.com GS1574 HD-LINX® II Adaptive Cable Equalizer GS1574 Data Sheet 28854 - 5 May 2007 1 of 18 Features • SMPTE 292M, SMPTE 344M 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 • Pin compatible with the GS9074 Cable Equalizer • 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 •50 Ω 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 Applications • SMPTE 292M, SMPTE 344M and SMPTE 259M Coaxial Cable Serial Digital Interfaces. Description The GS1574 is a second-generation high-speed bipolar integrated circuit designed to equalize and restore signals received over 75 Ω co-axial cable. The GS1574 is designed to support SMPTE 292M, SMPTE 344M and SMPTE 259M, and is optimized for performance at 270Mb/s and 1.485Gb/s. The GS1574 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 GS1574 output when an approximate selected cable length is reached for SMPTE 259M signals. This feature allows the GS1574 to distinguish between low amplitude SD-SDI signals and noise at the input of the device. The serial digital outputs of the GS1574 may be forced to a mute state by applying a voltage to the MUTE pin. Power consumption is typically 270mW using a 3.3V power supply. The GS1574 is lead-free, and the encapsulation compound does not contain halogenated flame retardant. This component and all homogeneous subcomponents are RoHS compliant. GS1574 Functional Block Diagram CABLE LENGTH ADJUSTOR CARRIER DETECT MUTE EQUALIZER DC RESTORE OUTPUT AGC MUTE SDO BYPASS SDO SDI SDI MCLADJ |
同様の部品番号 - GS1574-CNE3 |
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同様の説明 - GS1574-CNE3 |
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