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SDI Receivers &
Transmitters
SDI Transmitters
SDI Receivers
SDI Receivers &
Transmitters
GS1559
Reclocking Deserializer
with a Serial Loop-
through C able Driver
GS1572
Multi-Rate Serializer
with C able Driver and
C lockC leaner™
GS1582
Multi-Rate Serializer
with C able Driver, Audio
Multiplexer and
C lockC leaner™
GS1660
HD-, SD-SDI and DVB-
ASI Receiver C omplete
with SMPTE Video
Processing
GS1660A
HD-, SD-SDI and DVB-
ASI Receiver C omplete
with SMPTE Video
Processing
GS1661
HD-, SD-SDI and DVB-
ASI Receiver with
Integrated Adaptive
C able Equalizer
GS1661A
HD-, SD-SDI and DVB-
ASI Receiver with
Integrated Adaptive
C able Equalizer
GS1662
HD-, SD-SDI and DVB-
ASI Transmitter
C omplete with SMPTE
Video Processing
Ho me \\ Products \\ Broadca st Vide o \\ SDI Receivers & Transmitte rs \\
GS2970A
Semtech GS2970A
3G-, HD-, SD-SDI and DVB-ASI Receiver Complete with SMPTE Audio and
Video Processing
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The GS2970A is a multi-rate SDI Receiver w hich includes complete SMPTE processing, as per SMPTE 425M,
292 a nd SMPTE 259M-C. The SMP TE processing feature s can be bypassed to suppo rt signa ls w ith other
coding schemes.
The de vice features an Inte grated Re clocke r w ith an internal VCO and a w ide Input Jitter Tolerance (IJT) of
0.7UI.
A serial digital loop-through output is provided, w hich can be configured to output either re clocked or non-
reclocked se rial digital da ta. The serial digital output can be connected to an external cable drive r.
The de vice operates in one of four basic mode s: SMPTE mode, DVB-ASI mode , Da ta-Through mode or
Standby mode .
In SMPTE mode (the de fault operating mode), the GS2970A performs full SMPTE processing, and fe ature s a
number of data inte grity che cks and measure ment capabilitie s.
The de vice also supports ancillary data e xtraction, and can provide entire ancillary da ta packets through
host-accessible registers. It also provides a variety of othe r packe t detection and error handling features.
All of the se process ing features are optional, and may be individua lly e nabled or disabled through register
programming.
Both SMPTE 425M Leve l A and Le vel B inputs are supported w ith optional conversion from Level B to Leve l A
for 1080p 50/59.94/60 4:2:2 10-bit inputs.
In DVB-ASI mode, sync w ord detection, alignment and 8b/10b de coding is applied to the re ce ived da ta
stream.
In Data -Through mode all forms of SMPTE and DVB-ASI pro ce ssing a re disa bled, and the device can be used
as a simple serial to pa ra llel conve rte r.
The de vice can also ope rate in a low e r pow er Standby mode. In this mode , no signa l processing is carried
out and the parallel output is held static.
Parallel da ta outputs are provide d in 20-bit or 10-bit format for 3Gb/s, HD and SD vide o rates, w ith a va rie ty
of mapping options. As such, this parallel bus can interface directly w ith video proce ssor ICs, and output
data can be multiplexed onto 10 bits for a low pin co unt inte rface.
Up to eight cha nnels (tw o audio groups) of serial digital audio may be extra cte d from the video da ta stream,
in accorda nce w ith SMPTE 272M-C and SMPTE 299M.
The output a udio formats supporte d by the device include AES/EBU and I2S, and tw o other industry
sta ndard se rial digital formats . A variety of a udio processing feature s are provide d to e a se implementation.
Audio clocks are internally gene rated and provide d by the device.
Features
Operation at 2.970Gb/s, 2.970/1.001Gb/s, 1.485Gb/s, 1.485/1.001Gb/s and 270Mb/s
Supports SMPTE 425M (Level A and Leve l B), SMPTE 424M, SMP TE 292, SMPTE 259M-C a nd DVB-ASI
Integrated Reclocke r
Integrated low phase noise VCO
Serial digital reclocked, or non-re clocke d loop-through output
Integrated audio de-embedder for 8 channels of 48kHz audio
Integrated audio clock genera tor
Ancillary data e xtraction
Optional conversion from SMPTE 425M Le vel B to Le vel A for 1080p 50/59.94/60 4:2:2 10-bit inputs
Parallel da ta bus se lectable as either 20-bit or 10-bit
Comprehensive error detection a nd corre ction feature s
Output H, V, F or CEA 861 timing signals
1.2V digita l core pow e r supply, 1.2V and 3.3V analog pow er supplies, and selectable 1.8V or 3.3V I/O
pow er supply
GSPI hos t interface
-20ºC to +85ºC ope rating temperature ra nge
Low pow e r operation (typically 350mW )
Small 11mm x 11mm 100-ba ll BGA packa ge
Pb-free and RoHS co mpliant
Applications
Single Link (3G-SDI) to Dua l Link (HD-SDI) Converte r
1080p50/60 Monitor
Multi-format Dow nco nverter
Multi-input Video Monitoring System
Multi-format Audio De-embedder Module
Multi-format Digital VTR/Vide o Server
Order Codes
GS2970AIBTE3: Lead-Fre e , RoHS Co mpliant, Tape and Reel-250 Pieces
GS2970AIBE3: Le a d-Fre e , RoHS Compliant, Tray-168 Piece s
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