ADF7021-V: FAQ

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  • ADF7021 image rejection

    Question I found on Internet a preliminary Application Note about the calibration of the image frequency rejection filter of the ADF7021. But I heard that you have now a final Application Note with…
  • ADF7021: 4FSK mode bug

    Question I am testing ADF7021 and I want to use the 4FSK modulation scheme in our application. Some detail requirements are 3k deviation, 9.6k data rate and RF frequency 869.5MHz. We can generate…
  • ADF7021: EVB ADuC Tx and Rx diode function

    Question On page 46 of datasheet, when ADF7021 communicates with SCM and use Standard Transmit/Receive Data Interface mode, there is a diode in MISO port, what is it used for? Answer This diode is…
  • ADF7021-V

    Question can you tell me what category this meets in En 300 200 ? 1 2 or 3? I mean category 1 2 or 3 for receiver spec on the En 300 220 Answer Category 1,2 or 3 in Rx only refers to blocking spec. The…
  • ADF7021-V Microcontroller Interface

    Question Referring to the ADF7021-V datasheet revision A, figure 58 on page 44. I am questioning whether or not the diode shown in figure 6 is actually shown reversed. The ADF7021 always drives the…
  • Battery Lifetime Calculator

    Question Do you have idea where to find, showed in several presentations about ADF702x, program called “Battery usage calculator” ? Answer You can download it from here: https://dl.dropboxusercontent…
  • Recommend an alternative TCXO than that on ADF7021-VDBXZ daughter board?

    Question We cannot find the Siward part shown in the ADF7021-VDBXZ Evalboard design (TXO812025LJ-19.68MHz-3.0R). Can you recommend another part? Answer I do not have another recommendation. However…

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