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Love Is Noise, But We Don't Love Noise
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@SukkoPera SukkoPera released this 15 Jan 21:31
· 45 commits to master since this release
v1.1
f21a94a

This release is the same as V1 except for some changes in the value of a few components, namely:

  • R8 -> 3.3 Ω
  • C15 -> 100pF
  • L1 -> 100uH

These values were fine-tuned during the development of V2 (which will be released soon) and will place the switching frequency of the step-up voltage converter way out of the audio band, greatly reducing the output noise.

There are no changes in the PCB except for the new values on the silkscreen layer, therefore you are strongly recommended to use (or switch to) the new values even if you have a V1 board. If you have an 8580 SID, changing R8 alone should already improve things dramatically.

There are no changes in the JED file.

The BOM now also contains Mouser P/Ns for almost all the components.

NOTE: There are some discrepancies in the BOM, make sure to see #1.

Again, be sure to read the assembly notes carefully and enjoy!

Released files

Note that the released gerber files are password-protected. The original reason behind my projects was to allow anyone to make their own retrocomputing accessories cheaply. Instead of this, what I achieved was actually fuelling greedy people grabbing my work, making boards for a couple of bucks and the selling them at outrageous prices ($15 for a badly-soldered OpenC64Cart that costs $2 to make is just ridiculous).

I still believe in free software and open hardware, and that is why my projects will remain as such. I am no longer providing ready-to-use gerber files, but you can still generate them from the KiCad project or ask me for the password, if you think you don't fit the above statement.

If all you want is to get boards made, I would really appreciate if you did it as explained in the Support section in order to get them cheaply while supporting the project.

Note that you are NOT allowed to use these boards commercially, but I won't care if you sell them AT COST. Let me repeat that: AT COST.

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