UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - Looking to build RF detector probe for low frequency

IsquaredR · 4th Feb 2019, 10:03 pm

Thank you Julian. I am more interested in flat frequency response so the germanium detector David suggested should work out well. I will take a look at the thread you mentioned about AC millivoltmeters, however, as I can foresee future need of one on my bench.

Getting back to the Raymond Haigh RF probe brought to my attention by David
(thank you again, David!): In using it to primarily look at I.F. bandpass waveforms, does any one see any pitfalls if I constructed it somewhat differently difficulty; instead of constructing the whole probe in a single box containing a probe tip, building it in a metal box fitted with a BNC connector for attaching a standard 10X oscilloscope probe to sense the RF waveform and another BNC connector for the cable that goes to the oscilloscope input?

4th Feb 2019, 10:03 pm	#7
IsquaredR Tetrode Join Date: Apr 2017 Location: Minocqua, Wisconsin, USA. Posts: 86	Re: Looking to build RF detector probe for low frequency Thank you Julian. I am more interested in flat frequency response so the germanium detector David suggested should work out well. I will take a look at the thread you mentioned about AC millivoltmeters, however, as I can foresee future need of one on my bench. Getting back to the Raymond Haigh RF probe brought to my attention by David (thank you again, David!): In using it to primarily look at I.F. bandpass waveforms, does any one see any pitfalls if I constructed it somewhat differently difficulty; instead of constructing the whole probe in a single box containing a probe tip, building it in a metal box fitted with a BNC connector for attaching a standard 10X oscilloscope probe to sense the RF waveform and another BNC connector for the cable that goes to the oscilloscope input?