22294-A Video Pattern Generator

Product enquiry for 22294-A Video Pattern Generator

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The Chroma 22294-A is a programmable video pattern generator that is equipped with various standard analogue /digital signal output functions. The built-in high speed graphic engine is able to provide standard test signals and patterns for display devices with various resolutions to meet the requirements of the multimedia display industries today and in the future for R&D and test applications.

The 22294-A has 4 HDMI output ports that can provide multi-signal output simultaneously to meet the test applications for multi-port displays nowadays.

The RGB (BNC / D-Sub) and component (YPbPr / D-Terminal) signals provided by 22294-A are able to output all kinds of standard signal formats to test the displays with traditional analogue interfaces. For digital DVI output signals, the pixel rate is up to 330MHz and supports dual channel HDCP which is applicable for high resolution display testing.

For TV signals, the 22294-A is able to output the signals that comply with NTSC, PAL and SECAM specifications, also to support CVBS and Y/C separation signal formats for BNC / S-Video / SCART output ports. Special TV function tests such as Closed Caption, V-chip and Teletext are also supported.

Chroma 22294-A has a full colour graphic interface and super large storage memory with lots of special test patterns built-in such as xvYCC, HDCP, E-EDID, Deep color, CEC, Lipsync and high-definition test images, to give the user an easy way to judge the test results and save the time for production improvement as well as to achieve cost effective control.

Key Features

  • HDMI TMDS Clock support up to 300MHz
  • 4K x 2K 24/30Hz
  • 1080p 120Hz
  • 3D format with 1080p 60Hz (Frame packing / Side-by-Side Full)
  • Comply with HDMI 1.4b standard
  • 24 / 30 / 36 bit color depth
  • 3D standard format output
  • ARC (Audio Return Channel)
  • HEC (Ethernet Channel)
  • Color space standard sYCC601 /Adobe RGB / Adobe YCC601 / xvYCC
  • 4 HDMI ports output
  • Analog support up to 300MHz
  • DVI support up to 330MHz
  • Support HDCP function
  • S-Video / CVBS / SCART / RGB / Component / D-terminal
  • NTSC / PAL / SECAM standard
  • EDID Read / Write / Compare / Analyze
  • Optical / Coaxial audio input (SPDIF)
  • Pattern scrolling function
  • Built in China high-definition test pattern
  • ESD protection circuit
  • Front panel USB and control interface
  • Graphic operating and editing interface

Application Notes