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  1. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    Your first question, I don't know I don't see anywhere else to put the probe apart from after the diode and before the cap and resistor, which yields a flatline at zero volts, secondly just the standard one from the from the button at the top of the LTSpice program I'll put in a shottky now
  2. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    red is before the diode and after the signal generator and green is between the cap and ground!
  3. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    I dont think it's acting as it should!
  4. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    Sorry, yes you did say, I forgotten about that
  5. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    So this question goes out to Bertus because it's his wonderful suggestion!!
  6. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    Is there a formula??
  7. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    Done it!!! now how to envelope?? which capacitor, resistor and diode??? thank you in advance
  8. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    how do you set transient analysis? nevermind figured it!
  9. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    It's not to make money to be fair it's for myself but I do give all loose change to air-ambulance
  10. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    Thank you had another day off, drawing mechanical machines all day, I havn't forgotten about this though, i'll get on to the research on the wav files, will I need to make an envelope detector for each of the frequency bands,? common sense says yes, but just to be sure I might even just use the...
  11. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    so I've had a bit of a day off today I got this, is it correct if so whats next
  12. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    ok I get it now
  13. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    Ok this might take me a bit of time but I'll get there bare with me on this!!
  14. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    I don't unerstand why you need two signals can I still use the 30 second clip I have that I made in audacity?
  15. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    I use LTspice!
  16. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    Anyway, bedtime!
  17. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    I realize you give me the instructions but I'm not following it's a bit complicated
  18. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    ok I have my 30 second clip it's .wav
  19. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    ok good idea, but first off I want to vary the amplitude of the 45z so that its not a constant volume, this is because I believe that it will be better for designing the envelope detector settings of the cap and resistor
  20. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    ok got the program I also use reaper how do you setup a frequency of 45Hz with Audacity?
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