DIY RF Probe Tutorial
Probing RF circuits can be tricky.
Here are some resources for DIY probes
https://elektrotanya.com/files/forum/2009/10/e04a036.pdf
And instructables has built on this: https://www.instructables.com/id/DIY-1GHz-Active-Probe-for-Under-20/
http://welecw2000a.sourceforge.net/docs/Hardware/Aktiver_Tastkopf_mit_OPA659.pdf
http://www.ti.com/ww/en/bobpease/assets/www-national-com_rap.pdf
http://www.analog.com/media/en/technical-documentation/application-notes/an47fa.pdf
NOTE: SIGLENT does not endorse any of these solutions. They are for reference only.