Another LM4780 project

Evan Shultz · 24th October 2004, 02:34 PM

I designed this one a couple months ago when I had P-CAD at work. Unfortunately, I don't have that luxury anymore. I do have Cadence PSD 15 but no way to transfer the old design as I forgot to check on that before I left. Could anyone open this up and transfer it into a PDIF format for me?

The signal layout is nearly finished but the supply/ground routing needs a bit more work. And the power supply board was quickly thrown together as well.

It is designed as a stereo amp with a differential output and all the output filtering in NS's datasheets including a zoebel. The power supply board is attached to the amplifier board but meant to be separated if desired.

I have a hand drawn schematic that I can scan in when I get access to a scanner if anyone is interested.

Any and all questions, comments, and concerns are welcome

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