Gennum’s latest industry leading GS2984 adaptive SD/HD/3G cable equalizer is a pin for pin direct replacement for Gennum’s previously released GS2974A and GS2974B variants offering far better performance with repsect to the jitter and power consumption across longer co-ax cables? The time is now right to carry out the upgrade and move on up to experience the system benefits of the GS2984.
GS2984 Key Features:
- SMPTE 424M, SMPTE 292M, SMPTE 344M and SMPTE 259M compliant.
- Supports date rates from 143Mbps to 2.97Gbps and DVB-ASI at 270Mbps.
- Manual bypass for low data rates with slow rise/fall times.
- 50 ohm differential outputs support DC coupling to 3.3V and 2.5V CML logic.
- DC coupling to 2.5V.
- 0 to 6dB gain boost pin.
- Single 3.3V supply.
- Temperature range -40 to +85 deg.C.
- Power consumption is typically 195mW.
- 16 pin QFN package (4x4mm).
- Typical equalized length of Belden 1694A cable:
- 140m at 3G data rates with 0.3UI max output jitter
- 200m at HD data rates with 0.3UI max output jitter
- 400m at SD data rates
- Footprint compatible with GS2974A, GS2974B and GS1574A.
Redesigning an existing GS2974 socket using the GS2984 Upgrade Advantages:
- Extended temperature range from -40 to +85 deg.C compared to the GS2974 range of 0-70 deg.C only.
- Typical power consumption at 195mW which represents a 10-15% improvement over the GS2974.
- Output jitter down to 0.3UI at 140m co-ax cable compared to the GS2974 with 0.4UI at 140m.
- New features such as DC coupling to industry standard 3.3V and 2.5V CML logic.
- Gain select control of 0-6dB on the input pin presents the incoming signal with a flat, wideband gain of 6dB which is an ideal feature to accommodate BNC connector compensation.
- 100% pin compatible in 16 pin QFN package so no need for board redesign.
GS2984 Target Applications:
Like any transmission medium, cables impose transmission losses on the signals they carry, manifested as signal dispersion and loss of high-frequency content. Unless something is done to compensate for these losses, they can render the cables useless for transmitting high resolution & high speed signals over reasonable distances. Therefore, to
compensate for cable losses, an equalizer can be utilised at the receiving end of the cable.
- Designed for use in SMPTE 424M, SMPTE 292M, SMPTE 344M and SMPTE 259M serial digital video applications.
- Serial routing switchers.
- Professional video editing equipment.
- Production and master control switchers.
- Distribution amplifiers.
- Broadcast video to Fiber Channel or Gigabit Ethernet transport linecards.
- Camera control units for medical imaging equipment.
GS2984 Availability:
Full production now. Order as:
GS2984-INE3 for 16 pin QFN in tubes.
GS2984-INTE3 for 16 pin QFN in tape/reel (250 units).
GS2984-INTE3Z for 16 pin QFN in tape/reel (2.5K units).