Questions tagged [diff-pair]
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7 questions
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votes
8
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Is a differential pair stage of an opamp still useful with single ended input
In voltage-feedback op-amps with a differential pair input stage, many circuits ground one input while the signal goes to the other. (When one lead of the signal is grounded I call it single ended ...
- 2,143
2
votes
1
answer
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GND copper around differential pair
This an extract of the rpi CM5 IO board:
It provides lines for HDMI (yellow rectangles) and ethernet (green rectangle). These are differential pairs and this design makes me wonder:
I supposed that ...
- 639
0
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0
answers
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Differential pairs in Altium
I have a strange issue with Differential routing feature in Altium. I have defined the impedance profile in layer stack up (85,90,100 Ohm), I have also assigned net class in the schematic:
Layer ...
- 1,438
0
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1
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Which is a better routing with less crosstalk for diff pairs for Ethernet 100BaseT
I saw some routing the other day in a design, I'm wondering what would be better for less crosstalk. Version 1 has better matching but the diff pairs are closer to each other. Version 2 has better ...
- 93.4k