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Recent content by dsula

  1. D

    Design of low noise op amps at low frequency

    you want to take a look at chopping amplifiers. This will remove your 1/f noise, the dominant noise at low frequency
  2. D

    cmos diff pair mismatch

    thanks a lot, that's what I suspected. I will switch to PMOS pairs and tie the NWELL to the tail.
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    Tanner Software Prices

    the full package is about $25k (layout, spice, schematic, DRC, LVS) ds
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    cmos diff pair mismatch

    Hi, I have an NMOS diff-pair that exhibits a certain offset. This offset is dependent on the input common mode. I have a hard time explaining this effect. Anybody knows? How can I avoid this? I don't care much about the offset of the diff pair, but I care about the offset not to change across a...
  5. D

    cmos diff pair mismatch

    transistor matching in analog cmos application Hi, I have an NMOS diff-pair that exhibits a certain offset. This offset is dependent on the input common mode. I have a hard time explaining this effect. Anybody knows? How can I avoid this? I don't care much about the offset of the diff pair, but...
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