Open Circuited Stub
The input impedance of a lossless open circuit stub is given by
It follows that whether is positive or negative, the stub will be capacitive or inductive, respectively.
The length of an open circuit stub to act as an Inductor L at an angular frequency of is:
The length of an open circuit stub to act as a capacitor C at the same frequency is:
Read more about this topic: Stub (electronics)
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