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Recent content by gilbertomaldito

  1. gilbertomaldito

    Springer Journal Paper Layout HELP!!!

    Hi Braski, thanks for the help. However, I didnt see the instructions mentioning about having figures and tables at the end of the document. the instructions are here: https://www.springer.com/engineering/circuits+%26+systems/journal/10470?print_view=true&detailsPage=pltci_1060487 The...
  2. gilbertomaldito

    Springer Journal Paper Layout HELP!!!

    Does anybody here has sample journal layout for springer? Please help me. Im planning to publish in Analog Integrated Circuits and Signal Processing. The instructions in springer for their journal template is really so confusing.I tried the provided template but all I can see are new buttons...
  3. gilbertomaldito

    PID control for single phase BLDC motorin SIMULINK

    Hi, I will be starting a project which is a PID controlled single phase BLDC. I have never done motor control before. I am thinking perhaps modelling the driver though simulink is a good start. However, it has been quite a long time since I used simulink. Does anyone have any advices on how...
  4. gilbertomaldito

    [SOLVED] what is the need of fpga imlementation

    Emulation (i.e implementing it on fpga) is important for you to consider non ideal effects that are not covered by your simulation. Particularly the noise present in your system. Basically it will help you gauge how robust your system is.
  5. gilbertomaldito

    loading techfile in Cadence Virtuoso 6.1.3.1 HELP!

    Hi, The techfile from my foundry is *.asc. However, Cadence 6.1.3.1 version cannot see *.asc files. It can only see *.tf file. How can I load *.asc techfile in this version? Also, I was using an older version of cadence virtuoso and it can see *.asc files whenever I select the techfile. Its...
  6. gilbertomaldito

    Brushless DC Motor Driving Question

    Checkmate, thank you for your reply. So how can I measure the actual Rmotor and Lmotor?
  7. gilbertomaldito

    Brushless DC Motor Driving Question

    Hi Attchde in this file is an image showing an H-bridge circuit with a brushless DC motor load. It can be see nthat the Hbridge is driven by a non-overlapping control signals. Shown on the lower part pf the circuit is the waveforms for the current and the motor drive voltage (O1-O2) I just...
  8. gilbertomaldito

    BandGap Comparison Question..... please help.................

    Hi Attached are two simple types of bandgaps. I just want to ask what is the problem with bandgap A why books have to come up with bandgap B? I know as I read the books that bandgap A has problems with the opamp's offset and resistors dependency on temperature, but I just dont understand how...
  9. gilbertomaldito

    [MOVED]Razavi Bandgap for 5V Vdd

    I really have difficulties to produce 1.2V Vref out of the Razavi Bandgap with Vdd=5V Figure 11.9 at sec. 11.3 . Is there anyone who had the same experience? But if I use the figure 11.39 of razavi. I can easily produce 1.2V. But it was mentioned that this circuit is for low voltage supply...
  10. gilbertomaldito

    MAX II starter kit tweak to support 1.8V IO?

    Hi, Does anybody knows how to tweak the Max II starter kit from altera to make it support 1.8V IO logic? **broken link removed** Thanks Andrew
  11. gilbertomaldito

    Level shifter IC from 3.3V to 1.8V

    Hi Does anybody knows any level shifter IC that shifts from 3.3V to 1.8V? Thanks Andrew
  12. gilbertomaldito

    problem on oscillator w/ spread spectrum for PWM controller

    Have you tried to put initial conditions on your C1 and C2?
  13. gilbertomaldito

    Effects of vdd ang gnd bonding wire L on a differential ckt?

    Re: Effects of vdd ang gnd bonding wire L on a differential Hi Mr Freebird Thank you for your explanation, however, I still cant explain based on my results. So I attached my results below. I simulated 2 cases, first one with less Vdd and Gnd parasitic inductance, and the othe rone with more...
  14. gilbertomaldito

    Effects of vdd ang gnd bonding wire L on a differential ckt?

    Hi I wanna ask if how the parasitic inductance of a bonding wire in the Vdd and Gnd pins affect the performance of a differential circuit structure especially on the differential output. I actually simulated a differential transmitter (LVDS) and tried to put parasitic L on vdd and gnd rails. I...

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