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Recent content by jonathanchik

  1. J

    Request: ADS substrate file(*.slm) for AMS 0.35um process

    Hi all, Does anyone has a substrate file in ADS for AMS 0.35um process? I tried to find the corresponding parameters in the AMS documents. However, the simulation result in ADS using my substrate file is not satisfactory. There exists much deviation from expected values. I am currently...
  2. J

    Increasing output swing of cascode current mirror

    Hi, I have a question about how to increasing the ouptu swing of cascode current mirror by adding more CMOS. The cascode CMOS lowered the output swing. V+ = 2.5V, V- = -2.5V K is the size ratio. Also, I would like to keep the power consumption as low as possible. Thank you.
  3. J

    How to build a motor speed control circuit

    motor speed control circuit I am trying to make a simple path tracking car. only moving forward, turning left and right are required. The path is also very simple. Just a black path on a white paper with 90degree turning angle. My idea: I use a duel motor car so that the left wheel is...
  4. J

    How to build a motor speed control circuit

    how to make a motor How to build a small dc motor speed control circuit with photoresistor/phototransistor but without using MCU? Thank you.

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