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  1. Cincinnati10

    Parameters for using 555 Timer

    Q1: — What is the frequency range I can get out of a 555 timer? Q2: — Can I use a 555 with a positive ground system? IE: will it work as long as V at pin 1 is lower than V at pin 8? (If I connect pin 8 at 0 VDC and pin 1 at -12 VDC, will the waveform output be a negative voltage instead of a...
  2. Cincinnati10

    Creating an oscillating waveform.

    I want to create a waveform that resembles a human heartbeat. (At this point I don't need the little "ticks" before and after the beat.) My idea was to start with a square wave and "process it" so that on the rising edge of the pulse, my voltage would rise to a positive voltage and then quickly...
  3. Cincinnati10

    Breakdown voltage between two parallel plates

    Is there a source / formula that determines at what voltage a charge will jump the gap between two parallel plates that are brought sufficiently close to each other? Does plate material come into play? (316SS vs 304SS vs Hastelloy C)? What if the plates are submerged in an electrolyte vs in...
  4. Cincinnati10

    Need Solid State Switch

    I want to pulse a DC Voltage signal. My idea is to install a solid state switch in the power circuit that will automatically cycle off/on at speeds up to 1.5 MHz or sowith a continuous duty cycle. Are there switches like this available off the shelf? If the frequency/duty cycle is a...
  5. Cincinnati10

    How to Generate a FLuctuating Voltage

    Is there a device on the market that I can use to create a modulating voltage at low currents (100-500mA). I want to do this first on a bench, then from a DC voltage source. I don't know the V-range, or the frequency I need. That will be determined from bench testing. My initial thought was a...

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