Remote controlled miniature 3 frequencies generator

Discussion in 'The Projects Forum' started by Nikstor123, Feb 4, 2013.

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  1. Nikstor123

    Thread Starter New Member

    Feb 4, 2013
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    I am taking an electronics design class and we have a product-development project that is described below. I am trying to figure out how to go about it. The tricky part is the size of it. The frequency generation part has to be able to fit in about a matchbox and I have to spec out the parts required to built it.

    Basically I need to be able to generate 3 different frequencies that are 5Vpp with 0.01-0.03mA. All 3 frequencies need to be independent of each other, meaning each one can be turned on/off irrelevant of the state of the others.

    Example, all can run at the same time, or just 2 can run at the same time or any combination, etc. The circuit needs to be able to fit in a matchbox, be able to run for 60 mins and can be controlled in a very simple way from a remote control. I think the remote can be made to have simply 3 buttons , one for each frequency, where each button turns each frequency on or off.
    Attached is also a small conceptual diagram that I came up with... Of course there might be other and more efficient or simple ways to do this ...Please advice! What is the simplest and smallest way built this? I will need to built a functional prototype of this by the end of the month.

    Any input and help will be appreciated!
    Thanks! design idea.jpg
     
  2. Audioguru

    New Member

    Dec 20, 2007
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    Which sinewave oscillator circuit have you decided to use?
    Have you found a wireless remote?
     
  3. Nikstor123

    Thread Starter New Member

    Feb 4, 2013
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    At the moment I have no idea as to how to approach any of the design, that's why I am on here to help me gather research or aim me in the right direction.
     
  4. bertus

    Administrator

    Apr 5, 2008
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