Can I use the ADF9010 Analog RF Front End as a low-if receiver?
I think that you may have the wrong part number. ADF9010 is primarily a transmit device for use in RFID applications. It does have dual baseband amplifiers with programmable filter characteristics. These are intended for use in the receive portion of the RFID circuit. However, even with the filtering function turned off, the bandwidth of these amplifiers is still just a few MHz.
Thanks for your reply, Eamon.
I asked the wrong question, I guess. In fact, this component is a part of a bigger circuit (a RFID transceiver) and I intend to use it around an IF frequency of 2.5MHz. What I really want to know as if the ADF9010 would work in the receiver path of a signal of this frequency. If there is some problem doing it. If the filters are 'bypassed', the 3dB-bandwidth will be 6MHz. So I have a guess that it will work. But only a guess.
I think that it will be ok. It's a little difficult to see from Figure 11 in the datasheet but I would agree with you that the bandwidth of these baseband amplifiers in BYPASS mode is around 6 MHz. So your 2.5 MHz signal should come through the circuit attenuated by around 1 dB with respect to the attenuation at lower frequencies.
Eamon, can you describe how can I configure the registers of the ADF9010 to correctly use the PLL and get defined LO frequencies? For example, using the evaluation board with the 900MHz central frequency. I could not understand the informations included in the documentation.
Thanks in advance!
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