Questions tagged [vna]
The vna tag has no usage guidance.
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VNA basics, antenna coax cable
Recently purchased my first VNA (Nano VNA) and I'm trying to learn the basics.
I have a 150MHz 1/4 wave whip antenna that I need to install on a large metal object so I was hoping to use a VNA to help ...
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How to meassure a ferrite using a VNA?
I want to measure a ferrite toroid using a VNA. I would like to classify it for a whole range of frequencies but if it's too complicated I'm OK to just pick one frequency.
I have 3 questions actually:
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Using a Return Loss Bridge and Nano VNA to measure amplifier characteristics
One of the difficulties of measuring active devices like LNA and IF amplifiers with the Nano VNA is the care needed to avoid over-driving the amplifier input and, more importantly perhaps, to avoid ...