K6JCA

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Tuesday, May 23, 2023

Transmission Lines: Measuring Zo, the Characteristic Impedance, Method 3: Circle of Constant SWR

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This third technique (the other two are here  and here ) for finding a transmission line's Zo is based upon the concept of "...

Transmission Lines: Measuring Zo, the Characteristic Impedance, Method 2: 1/8th Lambda

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In my previous post ( here ) I described the method of determining a transmission line's Characteristic Impedance Zo from measureme...
Sunday, May 21, 2023

Transmission Lines: Measuring Zo, the Characteristic Impedance, Method 1: Zo=SQRT(Zsc*Zoc)

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Recently there was an interesting thread on measuring the characteristic impedance of a transmission line (Zo) , on the nanovna-users...
Friday, May 19, 2023

Transmission Lines: Input Impedance of a Terminated Line

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A common equation for calculating Zin of a terminated transmission line uses complex exponentials.  But now and again I come across an equ...
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