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  1. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    how about you tell me what you do know so I can put some more parts of this "puzzle" together, I think you are smart!
  2. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    fair enough but if you can shed light on the way you might go about it, that would still be of help, if you could do the first few filters 32Hz 45Hz 64Hz I'm sure I could take it from there in designing the further 13 bands myself using the https://tools.analog.com/en/filterwizard/ app to have...
  3. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    Just muddling my way through, do you recon you could provide that spectrum analyzer still "on a silver platter!" Iwould be highly greatfull, to be honest I'm looking for answers to make my projects and picking stuff up on the way I have a course on udemy and a GCSE level B in electronics and an...
  4. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    so would 3 of these dual op amp make 2 filters? can you get dip form because smd is a bit small? thanks Are there some of these dual op-amps in dip package's of the same type with the same spec and would it take 3 of them to make 2 filters?
  5. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    It's ok I got it
  6. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    ok so I'm new to this, does the op amp come in dip chip format?
  7. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    Is this the correct data sheet
  8. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    it come from this
  9. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    not sure I understand what are the pinout is it in a dip package? I was wanting to use the LM3914 and its analog voltage input
  10. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    whats this?
  11. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    I understand a bit more now thank you I would like frequencies to start from 45 Hz, to 16kHz here's a list: 45 Hz 64 Hz 91 Hz 128 Hz 181 Hz 256 Hz 362 Hz 512 Hz 724 Hz 1024 Hz 1448 Hz 2048 Hz 2896 Hz 4096 Hz 5792 Hz 8192 Hz 11585 Hz 16384 Hz These frequencies still follow a logarithmic...
  12. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    I need a little more explanation can you put the pictures into paint and annotate the drawing please?
  13. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    what is magnitude v/v and magnitude db and how do they relate to voltage range
  14. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    all though I understand it in principle can one of you show me an example please using the https://tools.analog.com/en/filterwizard/ app please ?
  15. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    ok i get what "work backwards" means now
  16. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    cheers
  17. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    could you explain the charts to me please
  18. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    ok thanks - wide supply range got it!
  19. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    actually I think its this part Input Offset Voltage: 350μV Max Open-Loop Gain: 100V/mV Typ
  20. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    so i'm on the data sheet for the LT6220 and I cant find the voltage range
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