Vertex FRE Frequency Response Evaluation Accu-Chart

With an overall size of 10" x 12.5" with an image area measuring 9" x 12" (23 x 30.5 cm). Parallel bar pattern for precise measurement of frequency response and roll-off in video systems. Covers 0.5 to 4.0 Mhz. equivalent video bandwidth. (40 to 320 TV lines). Similar to multi-burst patterns produced by electronic test generators. Chart can be underscanned to produce 1.0 to 8.0 Mhz. range (80 to 640 TV lines) for computer and other high resolution applications.