Connect with us

Help for ELF (extreme low frequency) design

Discussion in 'Microcontrollers, Programming and IoT' started by electronicNovice, Aug 27, 2018.

  1. electronicNovice

    electronicNovice

    5
    0
    Jul 26, 2015
    I wanted to design circuit that outputs extreme low frequency, between 4hz and 10Khz. I want to use microprocessor. I have found some microprocessors that outputs that kind of frequency. The problem is the amplitude of the signal. Has to be around 10-12V. Usually the microprocessor outputs 5V. Any idea how can I go with this design and what microprocessor to use.
    Thanks
     
  2. Harald Kapp

    Harald Kapp Moderator Moderator

    8,687
    1,691
    Nov 17, 2011
    4 Hz ... 10 kHzz can be generated by various means. If you opt for a microcontroller: (almost) any microcontroller will happily generate a signal in this frequency range.
    As for amplitude: use an amplifier. Circuits for amplifiers that work well in this frequency range can be found on the internet.
     
  3. WHONOES

    WHONOES

    564
    111
    May 20, 2017
    What sort of waveform do you want to generate?
     
  4. electronicNovice

    electronicNovice

    5
    0
    Jul 26, 2015
    square waveform.
     
  5. BobK

    BobK

    7,380
    1,559
    Jan 5, 2010
    What is the load?

    BobK
     
  6. WHONOES

    WHONOES

    564
    111
    May 20, 2017
    The ubiquitous 555 would do that easily over the voltage range you quote and, it is easy to vary the pulse width if desired.
     
  7. kellys_eye

    kellys_eye

    4,289
    1,143
    Jun 25, 2010
    Just purchase a bog standard audio signal generator.

    Most have outputs that go to 15V (or more), range from 0.01Hz to 100kHz and have sine, square and sawtooth waveform outputs.
     
  8. WHONOES

    WHONOES

    564
    111
    May 20, 2017
    Perfectly true.
     
Ask a Question

Want to reply to this thread or ask your own question?

You'll need to choose a username for the site, which only take a couple of moments (here). After that, you can post your question and our members will help you out.
Similar Threads
There are no similar threads yet.
Loading...