Video Pattern Generator Model 2238

  • Taiwan Excellence
Key Features
  • Support 8K Super Hi-Vision (7680x4320/8192x4320)
  • Independent graphics core for 8K Super Hi-Vision pattern with less than 200 msec. switch time
  • Up to 4 signal modules per unit
  • Up to 4 resolution and pattern outputs.
  • 7 inch 1024x 600 high-resolution touch panel, GUI interface
  • BMP file format support
  • USB 3.0 data access
  • Gigabit Ethernet high-speed network interface
  • HDMI 2.1 Signal (Optional)
    • FRL (Fixed Rate Link) Mode
    • 3 / 6 / 8 / 10 / 12G Mode
    • 3 / 4 Lane Mode
    • RGB 4:4:4 / YCbCr 4:4:4, 4:2:2, 4,2,0
    • HDCP (High-Bandwidth Digital Content Protection) version 2.3, 2.2, 1.4
    • DSC (Display Stream Compress) version 1.2a
    • EDID / eARC / SCDC / HDR 10 / HLG format
    • 8K BMP file format
  • HDMI 2.0b Signal Module (Optional)
    • 8K x 4K 60 Hz (4 HDMI port)
    • 4K x 2K 60 Hz (1 HDMI port)
    • Pixel rate up to 600MHz (6Gbps TMDS rate)
    • RGB 4:4:4 / YCbCr 4:4:4 or 4:2:2 or 4:2:0
    • HDCP 2.2 / 1.4
    • Wide color gamut (ITU-R BT.2020/DCI-P3)
    • HDR (High Dynamic Range) Testing (HDR infoframe & metadata / EOTF)
    • SCDC (status & control data channel) Reader
  • DisplayPort 1.4 Signal Module (Optional)
    • 8K x 4K 60 Hz (2 DP port)
    • 8K x 4K 30 Hz (1 DP port)
    • 1.62 / 2.7 / 5.4 / 8.1 Gbps per lane
    • HDCP 2.2 / 1.3
    • DPCD (Display Port Configuration Data) Reader
    • MST (Multi-Stream Transport) Testing


Chroma 2238 Video Pattern Generator is capable of providing 8K SHV display testing. A modular design with built-in high-speed independent graphics core provides standard test signals and patterns for the required resolutions. This unit supports the latest high-definition multimedia interface including HDMI ,DisplayPort, 12G SDI and USB-C. Equipped with a 7 inch touch panel and a friendly graphical user interface, allows users to view and edit patterns directly on the device screen. Complete test functions and an easy-to-operate interface make it suitable for a variety of R&D and production test as well as quality verification in all video related industries.

 8K Super Hi-Vision Application

Featured in modular design, the 2238 Video Pattern Generator is capable of providing 8K Super Hi-Vision (7680 x 4320 / 8192 x 4320) resolution for testing. Full 8K at 30/60 Hz resolution is supported by one single module (via a HDMI Display Port), and up to 4 modules can be installed and configured as required for all testing application to 8K.

support 8K

  Multi-Out Function

  • Independent graphics core modular design
  • Up to 4 modules providing independent timing and pattern outputs

Gigabit Ethernet / USB 3.0 Interface

  • Gigabit Ethernet control & USB 3.0 data transfer
  • Remote test setup and data upload/download via internet network
  • IP address configuration enables users to control/monitor test device status
  • USB 3.0 ultra-high speed data transmission interface with bandwidth up to 5Gbps

Instant Pattern View / Touch panel

  • Instant pattern view function: “what you see is what you get”
  • Icon pattern editing allows users to edit and create patterns directly on the touch panel
  • 7 inch touch panel with resolution of 1024 x 600
  • Intuitive and user friendly operation

Graphic User Interface

  • Easy-to-use GUI
  • Simple and clear timing/pattern parameter setup
  • Real time pattern editing and preview
  • Complete program editing to meet various testing requirements

Comprehensive Library of Test Patterns and Functions

  • Supports geometry patterns (Color Bar, Grayscale and Dot), 8KBMP and various functions required for industrial display panel testing
  • HDCP test functions, support version 1.3/1.4 or 2.2
  • HDR test functions for HDR Metadata setting and sending

  A223800 12G-SDI Signal Module

  A223801 DisplayPort Signal Module

  A223802 HDMI Signal Module

  A223803 Analog Signal Module

  A223804 USB-C Signal Module

  A223805 HDMI Signal Module

  A223806 DVI Signal Module

  A223809 Audio Test Module

  A223812 HDMI 8K Media Player Module

Product Inquiry

Select the models you wish to get a quote and click the button "Add to Inquiry Cart" below the table.
You may select multiple items at once. Click the inquiry cart icon on the right hand side of webpage to complete your inquiry.

All specifications are subject to change without notice.

Video Pattern Generator

12G-SDI Signal Module

DisplayPort Signal Module

HDMI Signal Module

Analog Signal Module

USB-C Signal Module

HDMI Signal Module

DVI Signal Module

Audio Test Module *Call for availability

HDMI 8K Media Player Module *Call for availability