If you want something cheap with ok quality I have used these to go from 15khz to 30khz.

https://www.ebay.com/itm/144607122616?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=bysvu3cNQQW&sssrc=4429486&ssuid=7ATdF0V5RYq&var=&widget_ver=artemis&media=COPY

They usually are around the high 20 dollar range.

They have various inputs, including a custom harness and digital adjustments.

On Mar 8, 2025 22:42, Mike Loewen via vcf-midatlantic <vcf-midatlantic@lists.vcfed.org> wrote:


    I have a video board that outputs analog RGB-Hsync at 59.94Hz Vertical and
15.734KHz Horizontal. What do I need to convert this to display on a modern
LCD display?


Mike Loewen mloewen@cpumagic.scol.pa.us
Old Technology http://q7.neurotica.com/Oldtech/