GS2961A数据手册集成电路（IC）的视频处理规格书PDF

描述 Description

The GS2961A is a multi-rate SDI integrated Equalizer-Receiver which includes complete SMPTE processing, as per SMPTE 425M (Level A and Level B), SMPTE 424M, 292M and SMPTE 259M-C.

The SMPTE processing features can be bypassed to support signals with other coding schemes.
The GS2961A integrates Gennum's next-generation state-of-the-art adaptive cable equalization technology, achieving unprecedented cable lengths and jitter tolerance. It features DC restoration to compensate for the DC content of SMPTE pathological signals.
The device features an Integrated Reclocker with an internal VCO and a wide Input Jitter Tolerance (IJT) of 0.7UI. A serial digital loop through output is provided, which can be configured to output either reclocked or non-reclocked serial digital data. The Serial Digital Output can be connected to an external Cable Driver.
The device operates in one of four basic modes: SMPTE mode, DVB-ASI mode, Data-Through mode or Standby mode.
In SMPTE mode, the GS2961 performs SMPTE de-scrambling and NRZI to NRZ decoding and word alignment. Line-based CRC errors, line number errors, TRS errors and ancillary data check sum errors can all be detected. The GS2961A also provides ancillary data extraction. The entire ancillary data packet is extracted, and written to host-accessible registers. Other processing functions include H:V:F timing extraction, Luma and Chroma ancillary data indication, video standard detection, and SMPTE 352M packet detection and decoding. All of the processing features are optional, and may be enabled or disabled via the Host Interface.

特性 Features

Integrated adaptive cable equalizer
Integrated Reclocker with low phase noise, integrated VCO
Typical equalized length of Belden 1694A cable:150m at 2.97Gbps
230m at 1.485Gbps
440m at 270Mbps

Operation at 2.97Gbps, 2.97/1.001Gbps, 1.485Gbps, 1.485/1.001Gbps and 270Mbps
Supports SMPTE 425M (Level A and Level B), SMPTE 424M, SMPTE 292M, SMPTE 259M-C and DVB-ASI
Serial digital reclocked, or non-reclocked output
Ancillary data extraction
Optional conversion from SMPTE 425M Level B to Level A for 1080p 50/60 4:2:2 10-bit
Parallel data bus selectable as either 20-bit or 10-bit
Comprehensive error detection and correction features
Output H, V, F or CEA 861 Timing Signals
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
GSPI Host Interface
-20°C to +85°C operating temperature range
Low power operation (typically 515mW)
Small 11mm x 11mm 100-ball BGA package
Pb-free and ROHS compliant

应用 Application

Monitors
Camera control units
Multiviewers
Production switchers
Master control switchers
VTRs
Video servers
Encoders/decoders
Up/down/cross converters
Audio de-embedders
Format detectors
Test and measurement equipment

简介

GS2961A属于集成电路（IC）的视频处理。由制造生产的GS2961A视频处理一种集成电路 (IC) 半导体器件，设计用于在放大、增强、编码器和解码器（编解码器）、缓冲、校准、处理、信号调节、调制与解调、转换、传输、伽玛校正、切换、OSD、数字化和多路复用等应用中处理音频和/或视频信号。