gates

  1. E

    Can two N-Channel MOSFETs be connected in series to perform a "AND" function?

    Hello, I'm designing a circuit to ring a bell using a code set by the user. When powered the circuit steps through the code which is set via DIP switches to decide where a "ding" or a space should be within the code. Each "on" position within the code actuates a modified car relay which hits...
  2. L

    Implement a simple circuit using logic doors

    I need to implement a circuit but Im having some trouble since Im novice on electronics. I have 4 inputs. A being ON/OFF switch. B is an Inibitor. C is an Emergency and D is not an adequate ocasion. In order to turn off the lamp I have to meet 2 conditions. Condition 1: Switch is ON (A)...
  3. What is wrong with my transformer output?

    The thing is, I was trying to regulate a 220V-9V to 5 volt. I did it though. Everything was right.I was trying to make a dark sensor with NOT gate () The settings are good. But it wasn't working fine with the AC to DC adapter.( It is working fine with a battery like the video). The thing is...
  4. J

    [Solved] AND as logic switch?

    Hi Based on the logic table for AND gates, i should be able to use either as a simple digital switch. That is, say input 1 is running at 40khz, and input 2 is 1 Hz. Then, every second, our output should toggle between 0 for half a second, then 40kHz for half a second. Correct? **broken link...
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