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  1. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    sorry for misplaced topic, could you move my post to the correct appropriate forum please?
  2. Maglatron

    Any difference in out come? Bridge-Rectifiers

    so can you shed any light on the proper way to do this please? or is the way I'm doing this suffice which setup would you choose the separate diode bridge's or the this one thanks for the feedback !!
  3. Maglatron

    Any difference in out come? Bridge-Rectifiers

    I have a wheel that turns 550 rpm, it has eight magnets attached on both sides and the coils are two on either side and the magnets pass coils in the actual version there are four power coils not three, and I represented them with voltage sources. I want to add up the voltage from the four coils...
  4. Maglatron

    Any difference in out come? Bridge-Rectifiers

    I wanted to know if there would be any difference in outcome with these two different designs of rectifier? The coils are not in phase or equal inductance or turns something tells me to do separate bridge rectifiers but I wanted a second opinion, cheers Scott
  5. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    I want a watt meter any good ones tthat you guys know of to add to my toolbox?
  6. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    Resistors have now arrived, will be working on it at the soonest possible chance!
  7. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    Built the preamp and the amp and the buffer REF circuit for the amp next comes the first of the filters and the envelope detector, will have picture soon! because the filters have three stages and then an envelope detector I'll be using one chip, TL074, for each of these, BAT43 diodes have come...
  8. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    Nice one thank you it's coming together, slowly slowly!
  9. Maglatron

    help with IR2110 chips

    I've built the inverter already, there are pictures on post 191! Thanks though! And welcome to the Forum!! proves that when you have an idea instilled into your head, with persistance you can achieve! what are you up to? any projects?
  10. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    So on the first board, I'm putting the pre amp, the amp, and a REFGND buffer circuit for the amp, because the amp has got a REF ground, so thats 3 of the 4 op-amps in the TL074 so thats covered the first bit of the project! thanks for the PDF BTW
  11. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    ok cool I do have a chinese scope cost £430 not used it a whole lot but I think I prefer the method on the latter like stated before i'll do a channel at a time! thank you!
  12. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    What, on a scope?
  13. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    4.7 good to go, going on it later for 30 mins and was going to build the amp would the 560 k suffice for that or could I use the 470k or shall I just wait untill the new resistor pack comes and use the 510k?
  14. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    making the amp next
  15. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    yeah that's why 500 was in my head!!
  16. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    oh shit sorry I thought it said 4.99k got mixed up and I mixed it up with 500k it's R4
  17. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    not sure if I made a mistake for the bufferREF circuit I didn't have the 500k resistor so the choices were 470k or 560k I went with 560k, can always swap out when the new resistor come and to bertus I think I've just misplaced them to be honest! will 560k be alright?
  18. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    :)
  19. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    Thank you for confirming think I have project time tonight making 12 filter boards 4 REF GND boards and 4 envelope detector boards and adding thee amp to the same board as the preamp won't get it all done tonight but I plan on making a small dent in the work, might not have chance yet but we'll...
  20. Maglatron

    Sallen Key Low Pass Filter, bandpass filter

    will that be okay??
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