Hi Is it labeled 3.3 to 18V on the antenna?
Bob > On Feb 9, 2018, at 4:43 PM, John Green <wpxs...@gmail.com> wrote: > > To those who doubted that the antenna was actually a 3.3 to 18 volt design, > it seems you were correct. Today, I hooked it up to a variable power supply > and slowly raised the DC voltage fed to the antenna. It began to pull > current at about 2.9 volts and at 3.3 volts, took about 40 mA. I continued > to slowly raise the voltage. At about 7.5 volts, the current suddenly > dropped to 10 mA. At just below 12 volts, it suddenly increased to 80 mA > and the supply went into current limit. I increased the current limit to > 130 mA and repeated the exercise. Everything went as above until I reached > 12 volts and the current went to 130 mA and the supply went into current > limit. Lowering the voltage didn't lower the current. I disconnected it, > waited a minute, and tried again. Yep, shorted. It would have worked well > with the T bolt, but would have blown anyway if I tried to use it with my > 12 volt supply and bias T. I guess I will get inside it somehow to see if > it can be repaired. My first attempt ended in failure. I guess I need a > bigger screwdriver with which to pry the top off. I am going to contact the > seller and tell them it was not as advertised. I kind of doubt that will > get me anything, but it won't hurt to try. There is a saying about > experience being a cruel teacher. You get the results first, and the lesson > after. Oh well. > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
