I just looked at the schematic diagram for the Omni VI. I would suggest
placing two switching diodes connected back to back (anode to cathode )
across the rear of the Aux Rx Antenna connector. This would add some
protection against static spikes and other RF energy. The diodes will clip
signals above .6 volts ( or thereabouts). Earlier Ten Tec rigs had this
form of protection. In one case , the receive signal all but disappeared
on my Omni D. One of the diodes shorted and the input signal was going to
ground. The short may have been caused by a nearby RF field or possibly
even a static discharge but it saved the receiver front end. Yaesu went a
step farther and placed a delicate fuse ahead of the diodes and any heavy
RF would blow the fuse. This is only a suggestion and anyone who can out
guess the engineer who designed the rig is in the wrong business>>joe
Peter J. F. Shaw wrote:
> Greetings Towertalkians,
>
> N9THC asked abt the TenTec aux ant input as to whether a nearby
> transmit antenna with high power might "cook" any circuitry in the aux
> antenna input.
>
> I'm interested in that as well. Anybody got any words of wisdom?
>
> Tnx K4LDR Pete in Citrus Cty, FL
> Member of the Florida Contest Group (FCG) - visit our website at:
> http://www.4w.com/deemer/fcg.htm
>
> The Florida Contest Group sponsors the Florida QSO Party, check out
> the FQP website@: http://home1.gte.net/wd4ahz/fcg/ssqp.htm
>
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