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Recent content by RFTroubleshooter

  1. RFTroubleshooter

    Is TRL calibration with 8753C VNA possible?

    Thanks for your answer! Propably there is no easy and cheap firmware update for TRL cal available? Even though it is "just" software ;-). I think i will do the correction computation manually with a mathematic program in an computer. That'll be much more easy than transfering the...
  2. RFTroubleshooter

    Is TRL calibration with 8753C VNA possible?

    Hello, i tried to figure out if it is possible to perform a TRL calibration with the 8735C VNA (HP - Agilent). In the net i found some papers that mention that it is possible. But i didn't succeeded in implementing a TRL routine in the 8753C yet. Has anyone experiences with this problem? Thank's...
  3. RFTroubleshooter

    Reference plane

    The reference plan is specified by the dimensions of you calibration standarts. On waver i think you'll use TRL or some of it's derivates. Here the middle of the THRU standart specifies your reference plan. There is the option to specify the reference plan with the REFLECT standart, but i think...
  4. RFTroubleshooter

    Why is there a need for isolation in mixer design?

    The RF port in a mixer is usually the receiver port from e.g. a radar system. When there is no or low LO/RF port isolation the power from the LO port will be delivered to the rf port. Let's futher assume there is an antenna attached to the rf port (usually you need this antenna in radar systems...

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