I'm using an AIM 4170. Accuracy not the best at high impedances. As a
rule-of-thumb, I'm comfortable with it to give meaningful measurements up to
about 2 Kohms and useful relative results up to 5 Kohms.
73 Craig AC0DS
> The SRF of these chokes is about 2.4 MHz, so they will operate below
> resonance on 160 and the BCB and above resonance elsewhere. I measured> 7.5
> Kohms impedance at resonance, but it is probably higher due to my measurement
> limitations. The impedance vs. freq is roughly as follows:
> 500 KHz 1.4 K ohms
> 1 MHz 3.5 K
> 5 MHz 4 K
> 10 MHz 2 K
> 20 MHz 1 K
> 30 MHz 0.6 K
out of curiosity.. what was your measurement setup?
TowerTalk mailing list