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Recent content by usa2005

  1. U

    [SOLVED] The Inductor and Capacitor of a Simple Buck Converter ?

    Hello, A interview question goes as how to decide the inductor and capacitor value of a simple Buck Converter? How to answer it? Thanks.
  2. U

    Help: the average power got from Hspice

    Hello, I made a inverter in Hspice with an input "Vin". I measured 3 powers as follows: .meas tran p_vdd avg p(vdd) .meas tran p_vin avg p(vin) .meas tran p_avg avg power and then went to the .mt0 file and got p_vdd=-1.580e-5; p_vin=2.181e-10; p_avg=1.471e-5. 1) why p_avg != p_vdd + p_vin ...
  3. U

    different between .measure pdiss and .measure totalpwr?

    pdiss Hello, I would like to know what is the difference between ".measure tran pdiss..." and the ".measure tran totalpwr..." in Hspice. If I use it to single RC circuit I get the same result. If I use them to simulate circuit made of one transistor and one cap then I get "failed" when using...
  4. U

    How to hand calculate a single NAND3's power?

    how can we calculate back power Hi, thank you for replying. I want to do a hand calculation of the NAND3 gate. I wish I can have the instantaneous, average as well as worst case power consumption. I also want to take the charge sharing effect into consideration. The transistor we use is nano...
  5. U

    How to hand calculate a single NAND3's power?

    power consumption hand calculation Hello, If I want to know the power consumption of a NAND3 gate by hand calculation (in an analog way), what method should I use? Thanks a lot.
  6. U

    how to calculate the powre of the amplifire?

    How to do it by hand calculation?

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