Building and measuring baluns (Part II). Another approach 1 core instead of 2.
Updated: Oct 22, 2020
Return loss measurement:
Left: FT 240-43 Right: FT140-43
Insertion loss measurement:
The measured loss is for two devices. Divide the result by two, to see the loss value of one device.
0,10 dB means that you have a power loss of 2,3 %.