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GS1575B Datasheet Preview

GS1575B Datasheet

Multi-Rate SDI Automatic Reclocker

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GS1575B / GS9075B HD-LINX® II Multi-Rate SDI Automatic Reclocker
Features
GS1575B
• SMPTE 292M, 259M and 344M compliant
• Supports data rates of 143, 177, 270, 360, 540, 1483.5, 1485
Mb/s
• Supports DVB-ASI at 270Mb/s
• Pb-free and RoHS Compliant
• Auto and Manual Modes for rate selection
• Standards indication in Auto Mode
• 4:1 input multiplexer
• Loss of Signal (LOS) Output
• Lock Detect Output
• On-chip Input and Output Termination
• Differential 50Ω inputs and outputs
• Mute, Bypass and Autobypass functions
• SD/HD indication output to control GS1528A Dual Slew-Rate
Cable Driver
• Single 3.3V power supply
• Operating temperature range: 0°C to 70°C
GS9075B
• SMPTE 259M and 344M compliant
• Supports data rates of 143, 177, 270, 360, and 540Mb/s
• Supports DVB-ASI at 270Mb/s
• Pb-free and RoHS Compliant
• Auto and Manual Modes for rate selection
• Standards indication in Auto Mode
• 4:1 input multiplexer
• Loss of Signal (LOS) Output
• Lock Detect Output
• On-chip Input and Output Termination
• Differential 50Ω inputs and outputs
• Mute, Bypass and Autobypass functions
• Single 3.3V power supply
• Operating temperature range: 0°C to 70°C
Applications
GS1575B
• SMPTE 292M, SMPTE 259M and SMPTE 344M Serial Digital
Interfaces
GS9075B
• SMPTE 259M and SMPTE 344M Serial Digital Interfaces.
Description
The GS1575B/9075B is a Multi-Rate Serial Digital Reclocker
designed to automatically recover the embedded clock
from a digital video signal and re-time the incoming video
data.
The GS1575B Serial Digital Reclocker will recover the
embedded clock signal and re-time the data from a SMPTE
292M, SMPTE 259M or SMPTE 344M compliant digital
video signal.
The GS9075B Serial Digital Reclocker will recover the
embedded clock signal and re-time the data from a SMPTE
259M or SMPTE 344M compliant digital video signal.
The GS1575B/9075B removes the high frequency jitter
components from the bit-serial stream. Input termination is
on-chip for seamless matching to 50Ω transmission lines.
An LVPECL compliant output interfaces seamlessly to the
GS1578A/GS9078A Cable Driver.
The GS1575B/9075B can operate in either auto or manual
rate selection mode. In Auto mode the device will
automatically detect and lock onto incoming SMPTE SDI
data signals at any supported rate. For single rate data
systems, the GS1575B/9075B can be configured to operate
in Manual mode. In both modes, the device requires only
one external crystal to set the VCO frequency when not
locked and provides adjustment free operation.
In systems which require passing of non-SMPTE data rates,
the GS1575B/9075B can be configured to either
automatically or manually enter a bypass mode in order to
pass the signal without reclocking.
The ASI/177 input pin allows for manual selection of
support of either 177Mb/s or DVB-ASI inputs.
The GS1575B/9075B is Pb-free, and the encapsulation
compound does not contain halogenated flame retardant.
This component and all homogeneous sub-components are
RoHS compliant.
GS1575B / GS9075B HD-LINX® II Multi-Rate SDI
Automatic Reclocker
Data Sheet
40063 - 1
June 2009
www.gennum.com
1 of 28




GENNUM

GS1575B Datasheet Preview

GS1575B Datasheet

Multi-Rate SDI Automatic Reclocker

No Preview Available !

XTAL+ XTAL-
XTAL XTAL
OUT+ OUT-
LF+ LF- KBB
XTAL
OSC
BUFFER
DDI 0
DDI 1
DDI 2
DDI 3
D
A
T
A
M
U
X
DDI_SEL[1:0]
PHASE
FREQUENCY
DETECTOR
PHASE
DETECTOR
M
U
X
DIVIDE BY
152, 160, 208
CONTROL LOGIC
CHARGE
PUMP
RE-TIMER
VCO
DIVIDE BY
2,4,6,8,12,16
M
DATA BUFFER
DDO/DDO
U
X
DDO_MUTE
SCO_ENABLE
CLOCK BUFFER
SCO/SCO
BYPASS
LOGIC
SS[2:0]
ASI/177
AUTO/MAN SD/HD
GS1575B Functional Block Diagram
LD LOS
AUTOBYPASS
BYPASS
XTAL+ XTAL-
XTAL XTAL
OUT+ OUT-
LF+ LF- KBB
XTAL
OSC
BUFFER
DDI 0
DDI 1
DDI 2
DDI 3
D
A
T
A
M
U
X
DDI_SEL[1:0]
PHASE
FREQUENCY
DETECTOR
PHASE
DETECTOR
M
U
X
DIVIDE BY
152, 160
CONTROL LOGIC
CHARGE
PUMP
RE-TIMER
VCO
DIVIDE BY
2,4,6,8,12
M
DATA BUFFER
DDO/DDO
U
X
DDO_MUTE
SCO_ENABLE
CLOCK BUFFER
SCO/SCO
BYPASS
LOGIC
SS[2:0]
ASI/177
AUTO/MAN SD/HD
GS9075B Functional Block Diagram
LD LOS
AUTOBYPASS
BYPASS
GS1575B / GS9075B HD-LINX® II Multi-Rate SDI
Automatic Reclocker
Data Sheet
40063 - 1
June 2009
2 of 28


Part Number GS1575B
Description Multi-Rate SDI Automatic Reclocker
Maker GENNUM
Total Page 28 Pages
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