Review request: [SUGGESTIONS IMPLEMENTED] PMOD to VGA Adapter (PYNQ-Z2) - schematic & design feedback?
![Review request: [SUGGESTIONS IMPLEMENTED] PMOD to VGA Adapter (PYNQ-Z2) - schematic & design feedback?](default-image.png)
Hi everyone, I’ve put together a simple PMOD to VGA adapter for my PYNQ-Z2 FPGA board and would love some feedback on the design before I get it manufactured. I made a post last time here https://www.reddit.com/r/FPGA/comments/1tldxsa/review_request_pmod_to_vga_adapter_pynqz2/ Thanks to u/petemate and u/DheTwenty, I got feedback on the connector format which i completely messed up (which saved my board!) and the measurement which i've verified. I've also verified the resistor values and overall output impedence (giving 75 ohms theoretically) All my traces are either 0.25 mm or 0.5 mm which i think should be fine and switched to more reasonable 1206 sized resistors and caps (since im hand soldering) Here is the updated project files : https://github.com/swr06/PMODVGA/ A final look / helpful suggestions regarding the schematic and routing and whether i've done everything properly before I give for manufacture if possible :D Thanks! https://preview.redd.it/whgh4z23lu3h1.png?width=1109&format=png&auto=webp&s=8ac6a44522779950e827596c6844facd3a7a4bc9 https://preview.redd.it/i4duryyynu3h1.png?width=1163&format=png&auto=webp&s=14ae746766e96795483ce3c9cb2953533e4f6c1d https://preview.redd.it/q3a1xfzznu3h1.png?width=959&format=png&auto=webp&s=d333fcd1a92f389e40a91a9a242dcafccb3341f1 https://preview.redd.it/p9603i4oou3h1.png?width=771&format=png&auto=webp&s=48fbbda4c2fe0a8b71452a1d26eeca2b5a31b74e submitted by /u/swr06 [link] [comments]
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