K6JCA
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Tuesday, March 23, 2021
Notes on Antenna Tuners: The Elecraft T1 (by Kai Siwiak, KE4PT)
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In addition to his analysis of the Icom AH-4 Tuner , Kai Siwiak has also analyzed the Elecraft T1 Automatic Antenna Tuner. With his...
Monday, March 22, 2021
Notes on Antenna Tuners: The Icom AH-4 (by Kai Siwiak, KE4PT)
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Kai Siwiak, KE4PT, forwarded to me his analysis of the Icom AH-4 Remote Tuner. With his permission I have added it to this blog. ...
Monday, March 15, 2021
Useful SWR, Voltage, and Power Equations
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Here are some equations for calculating maximum voltage and current on a transmission line when the load is mismatched. These can be used, ...
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Wednesday, February 24, 2021
The Quarter-wave Transformer: Transient and Steady-State Reflections
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This post is the second post of two analyzing transient and steady-state reflections in systems with transmission lines and impedance m...
Wednesday, February 17, 2021
Antenna Tuners: Transient and Steady-State Reflections
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Summary This blogpost uses the Convolution Integral to examine the transient and steady-state values of forward and reflected wa...
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