CHROMA’S Model 2237 and 2337 video pattern generators are suited respectively to the engineering/production engineering and production or service environments. They are available from Power Parameters .
Both instruments are suitable for testing display size, response, linearity, focus, geometry, resolution, contrast, colour, noise, crosstalk, and voltage regulation. The model 2237 is equipped with in-built test functions as well as user editable functions. The compact 2337 can be programmed from the 2237 or via PC with Windows-based VPG Plus using the instrument's RS 232 interface. The Chroma video pattern generators provide for testing to 360 MHz (analogue) and 330 MHz (digital).
Key features include graphic display size to 2048 x 2048 (4096 x 2048 optional), single pixel resolution, and 256 colours per pixel. The systems also offer frequency stability to 25ppm or 1ppm after calibration, a factory-installed library of 100 image and timing patterns, DVI-I/DVI-D connector and one link/two-link support, and self test and auto-calibration.