GS12281

The GS12281 is a low-power, multi-rate, re-timing cable driver supporting rates up to 12G UHD-SDI. It is designed to receive 100Ω differential input signals, automatically recover the embedded clock from the digital video signal and re-time the incoming data, and transmit the re-timed signal over 75Ω coaxial cables.

The 100Ω trace input supports up to 17dB of insertion loss.The device supports SMPTE ST 2082-1 (12G UHD-SDI), ST 2081-1 (6G UHD-SDI), ST 424 (3G SDI), ST 292-1 (HD-SDI) and ST 259 (SD-SDI). In addition to standard SMPTE rates, the device also supports re-timing of DVB-ASI at 270Mb/s, MADI at 125Mb/s, and 10GbE. The two cable drivers have highly configurable pre-emphasis and swing controls to compensate for long trace and connector losses. Additionally, automatic and user selectable output slew rate control is provided for each cable driver output.

Features

Dual non-inverted 75Ω cable interface with on-chip termination
SMPTE ST 2082-1, ST 2081-1, ST 424, ST 292-1 and ST 259 compliant input/output
Multi-standard operation from 1Mb/s to 11.88Gb/s
In addition to standard SMPTE rates, the device also supports re-timing of DVB-ASI at 270Mb/s, and MADI at 125Mb/s.
3D Input Signal Eye Monitor
PRBS generator and checker
Cable driver mode features:
- Wide swing control
- Pre-emphasis to compensate for significant insertion loss between device output and BNC
- Automatic/manual output slew rate control
- Manual or automatic re-timer bypass
- Manual or automatic Mute or disable on LOS
Trace equalizer features:
- Integrated 100Ω, differential input termination
- Automatic power down on loss of signal
- Adjustable carrier detect threshold
- DC-coupling from 1.2V to 2.5V CML logic
- Trace equalization to compensate for up to 20” FR4 at 11.88Gb/s
- Automatic input offset compensation
CDR features:
- Manual or automatic rate modes
- Wide Loop bandwidth control
- Re-timing at the following data rates: 125Mb/s, 270Mb/s, 1.485Gb/s, 2.97Gb/s, 5.94Gb/s, and 11.88Gb/s. This includes the f/1.001 rates.
Single 1.8V power supply for analog and digital core
2.5V or 3.3V for cable driver output supply
GSPI serial control and monitoring interface
Four configurable GPIO pins for control or status monitoring
Wide operating temperature range: -40ºC to +85ºC
Small 6mm x 4mm 40-pin QFN
Pin compatible with the GS12181, GS12182, GS12081, and GS3281
Pb-free/Halogen-free/RoHS and WEEE compliant package

Next Generation 3D / 2D HFR HDTV and 2K D-Cinema, UHDTV1 and 4K D-Cinema end-equipment: Cameras, Monitors, Switchers, etc.
Next Generation 3G, 6G, and 12G UHD-SDI infrastructures designed in support of UHDTV1, UHDTV2, 4K D-Cinema and 3D HFR and HDR production image formats.