![]() ![]() It has some effects on the output resolution options, but is very effective at reducing the chip count, making this a very accessible way to experiment and tinker with video output! Making your own This allows, even with non-standard industrial TTL video formats, to configure the converter to get a high quality VGA signal.The key simplification from Ben Eater's design is getting rid of all the logic for working out the sync signals and just storing that in the EEPROM instead, along with the image data. Recommended power supply is DC 12V minimum 600mA center positiveĪny parameter of the input and the output video can be manual set using the operational menu OSD of the x2VGA video converter.OSD shows in real-time the horizontal and vertical frequency, their polarity and the type(separate or composite sync).Supports separate sync (Horizontal frequency signal and Vertical frequency signal) and composite sync (Horizontal and vertical frequency signals are mixed in only one wire).Input does not support analog video signal (0-0.7V).Supports input digital video (TTL signals 0-5V).Supports vertical resolution of the input video signal from 100 to 600 lines.Input horizontal frequency 12.5kHz to 50kHz automatically recognized.Automatic power saving: if input signal is missing the monitor connected to the output goes to stand-by.MDA/Hercules (2 colors), CGA (16 colors) and EGA (64 colors) color palette fully supported. ![]() Types of input signal (MDA, CGA, EGA, Hercules) automatically recognized to display the correct color palette.This is a perfect feature to use x2VGA as a video converter for graphic and games. Thanks to the unique characteristic that let to dinamically change the pinout of the input connector, the x2VGA is able to convert perfectly the MDA, CGA and EGA with their full and original color palette. Using x2VGA to replace industrial monitor is cheaper than repairing old exhausted monitor. X2VGA can be used to replace broken or malfunctioning TTL industrial monitors both monochromatic or color. This fine configuration permits to obtain a perfect quality of the output. The conversion is fully automated, however the user, through the graphic OSD operation menu, can change any parameter of the input video, like the sample clock and the vertical and horizontal active video pixels. x2VGA converts old TTL video signals like MDA, Hercules, CGA, EGA or any industrial non- standard TTL video signal to VGA. Video Converter x2VGA: PCB (left) e Case (right) DescriptionÄigital video converter x2VGA achieves the conversion of any digital TTL video signal to VGA. ![]()
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