Please can anyone help me as to what options I can use for connecting one sma connector to another sma connector ? I have to connect a rectifier circuit to the patch antenna for RF energy harvesting.
Also how do I measure the output (using which instrument)?
i think you are referring to antenna radiation pattern. in order to measure antenna radiation pattern, you need anechoic chamber and spectrum analyzer. the setup is very complex so usually ppl will rent test labs to measure antenna radiation pattern.
Actually, I have been told to observe the frequencies of resonance of an antenna in the frequency domain. When I connected the antenna, there is no spectrum visible at the frequencies of resonance of the antenna. Is it necessary that it receives the particular frequencies from the surroundings, or is it just like the VNA measurement.