GS1671
HD/SD SDI Receiver, with Integrated Adaptive Cable Equalizer complete with
SMPTE Audio and Video Processing
Key Features
Applications
•
•
•
•
Operation at 1.485Gb/s, 1.485/1.001Gb/s and 270Mb/s
Supports SMPTE 292M, SMPTE 259M-C and DVB-ASI
Integrated adaptive cable equalizer
Application: 1080p30 or 720p60 Monitor
Typical equalized length of Belden 1694A cable:
AES - OUT
Speakers
AUDIO 1/2
AUDIO 3/4
AUDIO 5/6
AUDIO 7/8
Audio Clocks
DAC
DAC
230m at 1.485Gb/s
440m at 270Mb/s
Audio
Selector
HD-SDI
GS1671
10-bit
Video
Processor
Display
•
Integrated Reclocker with low phase noise, integrated
VCO
HVF/PCLK
CTRL/TIMECODE
•
•
Serial digital reclocked, or non-reclocked output
Integrated audio de-embedder for 8 channels of 48kHz
audio
•
•
•
•
Integrated audio clock generator
Application: Multi-format Downconverter
Ancillary data extraction
10-bit bit SD Bypass
Memory
Parallel data bus selectable as either 20-bit or 10-bit
Comprehensive error detection and correction
features
10-bit
10-bit
SD/HD-SDI
Video
HD/SD-SDI
Downconverter
Aspect Ratio
Conversion
&
HD/SD
Serializer
(GS1672)
GS1671
HVF/PCLK
•
•
Output H, V, F or CEA 861 Timing Signals
AES 1/2
AES 3/4
AES 5/6
AES 7/8
AES 1/2
AES 3/4
AES 5/6
AES 7/8
Audio
Processing
& Delay
1.2V digital core power supply, 1.2V and 3.3V analog
power supplies, and selectable 1.8V or 3.3V I/O power
supply
Analog
Sync
Audio Clocks
HVF/PCLK
Sync
Seperator
GS4901
•
•
•
•
•
GSPI Host Interface
-20ºC to +85ºC operating temperature range
Low power operation (typically 480mW)
Small 11mm x 11mm 100-ball BGA package
Pb-free and ROHS compliant
Application: Multi-input Video Monitoring System
HD-SDI
10-bit
Input 1
Video
Output
GS1671
HVF/PCLK
Video
Formatter
DVI/
HD-SDI
Input 2
10-bit
HVF/PCLK
VGA DAC
HV/DE/PCLK
GS1671
Video
Memory
On Screen
Display
Generator
HD-SDI
Input n
10-bit
HVF/PCLK
Errata
GS1671
Refer to Errata document entitled GS1670/GS1671 Errata
for this device (document number 53878).
AES OUT 1/2
AES OUT 3/4
AES BUS
Audio
Select
Audio
Processor
AES OUT 5/6
AES OUT 7/8
Analog
Sync
HVF/PCLK
Sync
Seperator
GS4911
Audio Clocks
GS1671 HD/SD SDI Integrated Receiver
1 of 130
www.semtech.com
Data Sheet
53737 - 2
September 2012