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Recent content by lhrodovalho

  1. L

    vdd! net override using netSet property

    I've corrected it. I've discovered that the standard cell core gate uses basicLib suplies, with those following expressions: vcc_inherit [@vcc:%:vcc!] vdd_inherit [@vdd:%:vdd!] gnd_inherit [@gnd:%:gnd!] vss_inherit [@vss:%:vss!] So, the correct net to use with netSet was the supply name...
  2. L

    vdd! net override using netSet property

    I'm designing a PGA with a small digital block to control gain selection within it. I used process standard digital cells to make the logic and it worked fine in schematics, but it caused problems with my layout because it doesn't share the same power nets. I used to just override those power...
  3. L

    Parasitic currents and very large pseudo resistors.

    Hello, fellow designers. Currently, I'm dealing with the challenge of designing a ultra low highpass filter with the cut frequency below 1 Hz. That demands very large capacitors and resistors, and it's very hard to be make them inside ICs. The solution was to make pseudoresistors using MOS in...

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