Tag Archives: tracking generator

MFJ-4117 Bias Tee – 0.06dB loss

In order to remotely power my SG-230 Smartuner which will (temporarily) live in my attic to “tune” a large vertical loop antenna, I opted to use a bias-T to inject DC power onto the coax. Bias tees are passive components … Continue reading

Posted in General, Lab / Testing | Tagged , , , , , | 4 Comments

Characterizing a Bencher YA-1 low-pass (TVI) filter

Some time ago I bought a couple of low-pass / TVI filters from a ham-fest. It is mandatory to ensure that you are not producing out-of-band or otherwise harmful interference and so having such a filter assists in ensuring that … Continue reading

Posted in General, Lab / Testing, Operating | Tagged , , , , , , , , , , , | 5 Comments