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Unable to get sensible readings on Vector Network Anaylzer
I recently purchased an older model HP8753 Vector network analyzer. It came
with the reflection test set and calibration standards. I have looked for some time on the net and cannot find any documents that describe how to make practical measurements. Initially I want to characterise some passive components (caps etc) and I also want to be able to measure the unput impedance of an active device. Can someone please point me in the right direction or maybe explain how I set up a test. I have seen responses in books showing the impedance of a capacitor and the self resonant response but when I connect a Cap to the test port on the reflection test set I can see the correct capacitance curve on the Smith chart display but when I switch to mag, the line is flat acorss the band. I cannot tell from the Smith Chart where it is self responant. Thanks in advance for any help Regards David |
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