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Recent content by rafauy

  1. R

    Difference between core power pad and IO pad

    What does the documentation say about the A and AC variants? Whats the difference between them?
  2. R

    Bonding wire pitch

    Hello, Im designing a padring for a chip that will probably be bonded with a manual bonding machine (a new machine but entry-level). The pad area is 60umx60um aprox. set by the technology requirements but Im not very familiar with the needed pad pitch and how many filler cells should I place in...
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    Multiple transistor instances in parallel in Mentor Pyxis

    Hi, I am trying to do something that I thought it would be possible in Pyxis (schematic capture), but I cant find it in the reference manual. I have a bus BUS_123(63:0) of 64 bits and I want to create 64 equal transistors in which each gate is connected to one of the bits of the bus. Naming the...
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    Recommendations for Beginner

    Thanks barry and FvM, No, I can implement the USB with an FTDI by now, to not complicate things so much and dont get by with lower speeds. In the future when I do my PCB I can use an external controller.
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    Recommendations for Beginner

    Hi Everyone, I want to return to the FPGA world. In the past I only used Xilinx FPGAs and I remeber their devolpment tools (ISE webpack) was heavy and buggy. I also was looking at prices in Digikey and their products seem to be much more expensive than those of Lattice or Intel for similar...
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    Measure Bandwith with T-spice

    Re: Measure Bandwith with T-spice or Hspice I can use H-Spice as well, any ideas? Thanks
  7. R

    Measure Bandwith with T-spice

    Hi, Im designing a simple BPF with two first order poles and I need to measure the Bandwith (the poles are placed at around 100 and 200 hertz). With the following statement I get the Maximum gain(between 50Hz to 1000Hz) : .measure ac maximo max V(Vout) from = 50 to = 1000 With the calculated...

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