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  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

Recent content by Glo.

  1. G

    Quad astable square wave circuit

    Thank you for all of your responses. Other than having two more potential oscillators with the 40106, is there any advantage or disadvantage in using either chip? The current output seems to be slightly more with the 40106. The max voltage is about the same, as is the hysteresis and...
  2. G

    Quad astable square wave circuit

    Ok, I have that already, just missed it. It uses one more capacitor for each trigger, not too bad. I suspect not as stable as 4000 series CMOS.
  3. G

    Quad astable square wave circuit

    Thanks. I have been collecting data sheets, and haven't run across that one. If you can post the link or the data sheet, that would be great. Still leaning toward the 4093 or 4011, though.
  4. G

    Quad astable square wave circuit

    I'm looking for a single IC that will give me at least three, four would be better, square waves at different frequencies, no more than 1Mhz. I need a rapid pull down to ground (fast rise and fall times; a fast extinguishing of the pulse; the output pulse should come as close as possible to the...

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