Questions tagged [mixed-signal]

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1answer
221 views

Separating ground planes with different potentials?

Im currently building a signal generator and have a problem with placing multiple different ground planes which have different voltages. The system is powered off of USB, so all my digital logic ...
0
votes
1answer
586 views

Input/output for buck-boost converter controller implemented with FPGA

I am trying to implement a voltage controller for a buck-boost converter using FPGA. The control method I'm trying to use is in this paper: www.engr.iupui.edu/~aizadian/index_files/Papers/C-28.pdf ...
12
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1answer
2k views

PCB microcontroller layout in a mixed-signal system

This is a direct continuation of this question. So here's my layout, what do you think about the microcontroller side? UPDATE April 2019: I built the board in spring/summer 2016, but never got around ...
11
votes
3answers
3k views

Details on PCB layout for microcontroller

Update: the follow-up question shows my take on the resulting PCB layout. I'm laying out my first board with a uC (I've got a reasonable amount of experience in using and programming embedded systems,...
2
votes
1answer
365 views

PCB plane cuts for audio paths in mixed-signal device

I am working with the TLV320AIC3204 32-bit audio codec. The codec has three inputs and two outputs. While I was designing my own test PCB, I noticed on TI's evaluation board (on page 33) that they ...

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