Common Mode RF ChokeTester DIY - Part 1

Описание к видео Common Mode RF ChokeTester DIY - Part 1

This is a 2 port sensor/tester that is easy to build and easy to use.
Please note switching-in the 150 ohm resistor does not make the meter more sensitive.
I should have said it requires an increase of the "sensitivity control" to get a full scale calibration reading. This is only needed for much higher common mode currents than demonstrated in the video.
Important: I am using 100 watts transmitter power for this demonstration. You will need enough power to get a full scale meter deflection when calibrating the tester. QRP power will not work. With low power, a active amplifier should be incorporated in the test device.

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