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Recent content by me_super

  1. M

    How to interface GT3721 GPS receiver using PS2 port?

    It seems that connecting that gps receiver is not possible without using an advanced interface. There are two problems: different voltage levels and different protocol. You must use a "smart" interface (with a microprocessor) that will translate RS-232 to the PS/2. There is a possibility that...
  2. M

    Unlocking a spectrum analyzer

    It was fully functional. I was able to see signals above 6.7 GHz genrated by 8257D and I even tested gain of my amplifier around 8-9 GHz.
  3. M

    How to make an FM jammer?

    Re: Making an FM jammer? Here Bugs & Cockroach. you can find a short description about simple FM transmitter. Or you can use a cheap fm transmitter like that **broken link removed** and use your iPod as a source of music. Output power of a such transmitter must be stronger than FM signal from...
  4. M

    Unlocking a spectrum analyzer

    Hi, we have a PSA E4443A spectrum analyzer, which covers 3 Hz - 6.7 GHz range. Several weeks ago I discovered that something is wrong after powering up, there was an error about NVRAM or something like that. And I discovered that our SA magically turned into different model, I was able to set...
  5. M

    100MHz phase/frequency detector

    frequency detector Take a look at AD9901 or TLC2933A.

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