Overview A new and improved version of my RGB to s-video / composite video encoder circuit based on the BH7236AF chip. Useful for video game consoles, vintage computers, arcade game PCBs, etc. Full...Read More…
A new and improved version of my RGB to s-video / composite video encoder circuit based on the BH7236AF chip.
Useful for video game consoles, vintage computers, arcade game PCBs, etc.
Fully assembled and ready to wire into your project requiring TV compatible video output from a RGB source.
Input: 15Khz RGB video (red, green, blue, and composite sync)
Output: NTSC composite video and s-video, as well as amplified and filtered RGB
Built-in 3.579545 Mhz oscillator for the color subcarrier clock
Requires a regulated 5 volt power supply. The circuit uses approx. 100 mA
I/O uses 0.1" pitch connectors
With minor modifications it can be used to replace a Sony CXA1145 for better picture
Very small size, measures 2-3/8” x 1-1/4" x 5/16" inch
Boards are shipped with a 3.579545 Mhz NTSC oscillator installed. When using an external NTSC 3.579545 Mhz clock source, this oscillator should not be used.
If you wish to have this oscillator not soldered to the board and sent separate, please contact me before or shortly after purchase.
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