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I am trying to configure AX5043 transceiver(ONSEMI) for PSK modulation and system parameters are as follows:

Modulation          :   BPSK
Carrier Frequency   :   437.025MHz

AX5043 chip is interfaced with PIC18F4550 micro controller using SPI.

AX5043 is connected to Crystal Oscillator of 32MHz.

Using internal VCO.

Now when I try to do auto ranging for the desired frequency, 437.025 MHz, which is configured in FREQA register(s), I am getting an auto-ranging error, i.e. RNGERR bit is going set after auto ranging is completed.

Can anyone help me with this?

Thank you.

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  • $\begingroup$ Welcome to ham.SE! We recommend all users take the tour to get the most from the site. $\endgroup$
    – rclocher3 ♦
    Dec 17 '16 at 20:08
  • $\begingroup$ @user8883, I believe this question is better suited for electronics.stackexchange.com $\endgroup$
    – Edwin van Mierlo
    Dec 22 '16 at 8:23
  • $\begingroup$ Did you solve this problem? If yes, how? I am facing the same issue. Also, I would like to say I am studying this IC day and night. Maybe we can help each other. I have developed a full solution to configure and write to this IC in LabVIEW. $\endgroup$
    – Filipe Taveiros
    Mar 3 '17 at 20:06

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