Even if the scope has a 1 Mohm input, it has considerable capacitance, so yes, you need a 10X probe. is needed to display the proper amplitude of an RF voltage.
73, Don W3FPR On 2/12/2012 1:52 PM, Pierfrancesco Caci wrote: > Thanks for this info. Now, please pardon my total ignorance in using > these instrument. If the scope has an input impedance of 1 Mohm, do I > still need to use the probe, or can I just use the BNC T ? I have the 50 > ohm dummy on the other side of the T of course. > With the scope directly connected, I read slightly over 600 mV peak to > peak. Should be almost there, right? > > Pf > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html

