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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.

comparator

  1. S

    Problem when measure square wave and Charge & Discharge

    Please help me, I got problem. From circuit diagram Target : I want to make square wave on Vout (Period =18 sec on :8 sec off: 10 sec) I have problem when I use scope to measure triangle and Vout , I have followed target. But when I use scope to measure Vout only, time Period and time on reduce...
  2. M

    Square wave using LM319 Comparator.

    Hi People, I am using an LM 319 High Speed Comparator to produce high frequency square wave as shown. However, from the first diagram, I assembled the connections based on second diagram, it does not work. The V+ and V- that is negative rail and positive rail I used is +9 and -9 V from 2...
  3. M

    Problem with generation of triangular wave

    Hi! I am working with comparator (In LTspice). I have to compare a sine wave and a triangular wave. The triangular wave should be at 2kHz frequency. So this should be the configuration for triangular wave: However, the results show that it is not a 2kHz frequency:- Last time I checked...
  4. tsalapatas

    Multisim 74LS85 problem

    HI all i am new to this site but i am doing my thesis and i have a serious problem and however i push my brain i cant find a solution.so i am building a circuit in multisim that get the sides of triangles and sqaures and then find the are in cm.i am using as my teacherr adviced me some...
  5. W

    DeltaT circuit using 10K thermistors to output 2-10vdc control voltage

    I need some help with a simple circuit - I want to convert the difference between 2 resistors (actually 10K thermistors) into a linear 2-10 vdc voltage output. If the resistances are the same, the output voltage is low, the greater the difference the higher the output voltage up to 10vdc. I am...

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