Tag: attenunator

Measuring Attenuator with VNWA

I am using the vector network analyzer for my WPT project. It is called VNWA 3E (Link) and shows great performance. Last time, I purchased some atteunators at ebay.com. I thought that these attuenators can be used to measure the gain of the RF amplifier. There are 4 types of atteuantors. -3dB, -6dB, -20dB and -30 dB. This is the setup. It is very easy to setup the attuenator. First I calibrated my VNWA at frequency range from 0.1 to 20 MHz. Then I put the atteuantor on the coxial cable. Then, I measured the S21 parameter with VNWA. Here are the results. Well, All Attenators showed the measured values […]