Yes, thanks, Bill and Evan.
The 1N4007 is certainly not specified or intended for PIN service ; it just happens to have an intrinsic layer. Not sure how thick, and it’s one very big reason I’m concerned that it might be the cause… but a lot of my other hypothesis of turned out to be incorrecr
i’m not so worried on the input side of the filter now that I’ve looked at the filter and I am amazed at how good they are, I’m much more worried about the outside of the filter!! ?I think this might be why I never ever worried really about the harmonics on the DE. As I remember all of my writing stay were about spurious submissions, and who knows some of those might have been due to the Cantenna!! Eventually I’ll go back and check it again but I had managed to get it much better.
I think once you select the band, the diodes stay in the correct settings? I’m not certain about that. But it wouldn’t be too terribly difficult to replace the output side diode’s with relays….. just would take more space!!
yes, I did the upgrade to give more current to the diodes—-BRFORE These measurements
if folks are going to use the one in 4007 and it turns out to be the issue, then careful selection is going to become necessary.?
gordon
