"JB" wrote in message
...
"J. B. Wood" wrote in message
...
That is very similar to what the Maxcom Antenna Matcher
did. It was reviewed (and panned) in November 1984 QST.
As you suspected, almost all the power would go into the
dummy load and very little would be radiated.
Honestly, it's not a very good idea. :-)
73,
Bob
K3PH
Hello, and generally not if maximizing operating efficiency (the portion
of available transmitter power that is being radiated by the antenna) is
of concern. However, placing a low-loss pad between the output of one
device and the input of another can be a simple, inexpensive broadband
matching technique if the power loss in the pad can be tolerated .
Sincerely, and 73s from N4GGO,
John Wood (Code 5550) e-mail:
Naval Research Laboratory
4555 Overlook Avenue, SW
Washington, DC 20375-5337
I was wondering when we would hear from someone like you.
---------
When using the radio with the padded antenna in a city environment and when
utilizing nearby repeaters, it is quite acceptable to design equipment this
way. It also reduces the sensitivity of the radio to unfortunate antenna
shorts against automobile interiors or body parts.
If you have enough power left over to be DFQ into the repeaters with the
power available, I see it as a viable compromise that can be most
beneficial.
Hams tend to think in terms of operating simplex out into the far reaches of
the aether, but there are many situations where padding is a useful feature.
Ed, NM2K