Sure, regarding SRF you're absolutely right.
In particular i have inductors of 39nH, using one of them i get: XL=2*pi*866Mhz*39nH, so XL=212,2ohm. Do you think I could use more inductors in series to reach 500ohm or more? Inductance-Frequency Characteristics is represented in datasheet, the graph shows that the inductor value remains about 39nH at my working frequency.
Datasheet: **broken link removed**
As you told me, the impedance of the choke is to be > 10 times my system impedance (50ohm), but there is a reason, or a theory, of why we need to be > 10 times? Because I have to report in the document the method used.
Anyway, do you think my schematic circuit is done correctly? Because before you mentioned v + while the choke is on the negative side.
Thank you for your availability and kindness
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VSS alias 'ant -' is, from chip datasheet, 'Supply return and Antenna -'. I have already calculated the matching network but my rapporteur has said that there is a need for a choke as a filter at the input of the negative terminal of the chip. therefore I need to understand what is at the base of the formula XL = 2*pi*f*L