Re: decoupling caps placement


"tempus fugit" <toccata@xxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:1b084$494eb60b$d1d89b66$25834@xxxxxxxxxxxx
do I use 1 cap for each IC? If so, (the ICs are fairly close together)
wouldn't the IC "see" the caps as being the paralleled value of the 3
caps,
thus reducing the available capacitance?

They're not like resistors. Parallel capacitance adds:

C1 || C2 || C3 = C1 + C2 + C3




.

Relevant Pages

  • Re: decoupling caps placement
    ... wouldn't the IC "see" the caps as being the paralleled value of the 3 ... thus reducing the available capacitance? ... Parallel capacitance adds: ... but I wasn't thinking - forgot they add up opposite to resistors. ...
    (sci.electronics.basics)
  • Re: decoupling caps placement
    ... wouldn't the IC "see" the caps as being the paralleled value of the 3 ... thus reducing the available capacitance? ... They're not like resistors. ... Parallel capacitance adds: ...
    (sci.electronics.basics)
  • Re: Dynaco Mark VI problem : Hum, low B+ and no signal after replacing 22 ohm
    ... bias rectifier, and the bias smoothing caps, or at least temporarily ... replace the coupling caps on the outputs. ... resistors while running a poor tube. ... Upon running the stock voltage tests, I see I have about 80% B+ ...
    (rec.audio.tubes)
  • Re: Problem with a Fisher 400
    ... tubes greatly reduce the stress on the entire system as long as the ... Bias Voltage ... Added Trim Resistors are a last resort. ... small-value caps. ...
    (rec.audio.tubes)
  • Re: Paper capacitor and Hallicrafters S-40A notes (resistors too?)
    ... I replaced all the paper caps. ... new film caps measure right on the ... resistors had changed value considerably. ...
    (rec.radio.amateur.boatanchors)