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Completely Redesigning the NES Power Module to Reduce Noise and EMI

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NES Revival - Power-Module Redesign

Completely Redesigning the NES Power Module to Reduce Noise and EMI

6/15/2024 Our first production run on NES Revival Classic RCA Editions have come in. I have a few left on my eBay.
https://www.ebay.com/itm/145834635508
Gerbers will be released later next week.

6/4/2024
The NEW Revival RGBNES "Companion" Power Module production files have been released on this Github.
More boards are available on my eBay - https://www.ebay.com/itm/145572876666

5/8/2024
I have my first RGB "Companion" 3.1c production boards run ready for eBay.

4/5/2024
The RGBNES "Companion" Power Board v3.1b has passed it's prototype phase and I am ordering a production run.
We are getting close to being able to release the gerber files for this design. I just want to verify with the new order.

3/2/2024
GND Loop Issue Discovered on Older Boards and a Quick DIY Solution for it.
https://github.com/ShawMerlin/NES-Power-Module-Redesign/blob/main/GND%20Loop%20Solution.md

2/13/2024
New Updates on the Rivial RGBNES 'Companion" Power Module
https://github.com/ShawMerlin/NES-Power-Module-Redesign/blob/main/RGB%20-%20Genesis%209%20Pin%20Edition/readme.md

1/16/2024
I have a small sample of the new RGB "Companion" 3.0 Boards that are available
I will also update the classic design with the new features of the RGB Board and offer that one as well.

https://github.com/ShawMerlin/NES-Power-Module-Redesign/tree/main/RGB%20-%20Genesis%209%20Pin%20Edition

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The original NES Power Module from the 80's is very noisy. The Power Traces cross eachother and the ground home path is messy. EMI was not a worry in 1985 but noise can impact picture and sound quality

Project is Open Sourced with a MIT License. It can be edited, changed and sold at your own discretion.
Please link back here if this helps you with your own project.

=-=-=-Special Thanks to Project Guardian-=-=-=

Goals with these new NES Power Modules

  • Full Ground Plane that is uninterrupted and is free of traces and components.
  • Power Traces that do not cross and have the GND plane below for a good return power signal.
  • Have a specific NES Power Module for each use case (not try and pile everything into one board)

NES Classic USB C Powered Module

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USB C Powered - NESRGB Companion Power Module with YPbPr "Component" Video

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NES Classic with Composite Out and Two Channel Mono Sound.

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NES RGB with Genesis 2 9 Pin Output

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Full uninterrupted ground plane on the back of the board.

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An easy to solder DIY Version of the Classic Composite RCA Edition.

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For the few that own the NES HDMI Board, this module will provide very easy solder points without the need of the LDO.

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Below is an example of the Orignal Power Module. Notice how the power traces keep crossing eachother and other components. Folks really didn't consider EMI a lot back then and opted to just cover the entire board in a metal shroud.

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Completely Redesigning the NES Power Module to Reduce Noise and EMI

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