Tom Van Baak wrote: >> Both the Trimble and Motorola modules use active antennae with 5V power >> - what I don't know is whether they are the same polarity. > >> all my trimbles and oncores have +5 on center, ground on shield... > > I'd be interested to know if any antennas are in fact the other > way around. Never even considered that.
It would have been fairly trivial for them to put a bridge rectifier before the amplifier's power stuff, allowing for either polarity. I always try to do that kind of thing (when I can) in my designs... I wonder if they did? -Chuck Harris _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
