GS1508 HD-LINX™ HDTV Cable Driver
Features
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SMPTE 292M compliant
Dual cable driving outputs optimized for driving data
up to 1.485Gb/s
±7% tolerance output
>17dB output return loss
Minimum external components
Seamless interface with the HD-LINX™ family of
products
Low-power
Standard packaging
Pb-free and Green
Description
The GS1508 is a first generation very high-speed bipolar
integrated circuit designed to drive two 75Ω co-axial
cables. The GS1508 is a SMPTE 292M compliant cable
driver that directly interfaces with other Gennum HDTV
devices and can also be used as a general purpose
high-speed cable driver.
The GS1508 features two complementary outputs, with
amplitudes controlled within a precise ±7% variation. The
output amplitude can be varied by adjusting the R
SET
resistor value.
The serial inputs can be AC-coupled. The GS1508 is a
low-power device that does not require external pull-down
resistors. The GS1508 is packaged in an 8-pin SOIC, and
operates from a single 5V power supply.
Applicatons
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1.485Gb/s HDTV Serial Digital Receiver Interfaces for:
Routers, Distribution Amplifiers, Switchers, and other
transmitting equipment
Bandgap Reference
and Biasing Circuit
RSET
SDI
SDI
Input
Differential
Pair
Output Stage
and Control
SDO
SDO
Patent Pending
Figure A: Block Diagram
GS1508 HD-LINX™ HDTV Cable Driver
Data Sheet
9500 - 6
August 2010
1 of 14
GENNUM [ GENNUM CORPORATION ]
