Recent content by jkm89

  1. J

    Testing Signals Above Threshold Voltage Non-Programmable

    Greetings, I have two signals, I need a way of testing whether they go above certain threshold voltages for a period of 0.5 seconds. This must be non programmable. I am a bit stumped o how to do it. I thought of having these signals go into an AND gate and then have that AND gate feed into...
  2. J

    Proving/Disproving: U and V Intersection in Rn

    So for my homework I have to prove (or disprove) this statement: If U, V are two subspaces of Rn then U \cap V \neq \phi. I just want to make sure; \phi is the null set right? The set with nothing in it?
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