-
between them.
Dipoles are
frequently used as
resonant antennas. If the
feedpoint of such an
antenna is shorted, then it will be able to
resonate at a particular...
-
components between the transmitter's
final amplifier and the antenna's
feedpoint. In a receiver, it is all
components between the
antenna and the receiver's...
-
changing the
current at the
feedpoint for a
given feedpoint voltage. Thus the antenna's impedance,
given by the
ratio of
feedpoint voltage to current, is altered...
-
Radiation resistance is that part of an antenna's
feedpoint electrical resistance caused by the
emission of
radio waves from the antenna. A
radio transmitter...
- the
feedpoint offset. A
modern Windom antenna's
feedpoint impedance is 250~350 Ohms,
depending on wire
thickness and fine
adjustments in the
feedpoint location...
- off-tuned short-circuited
dipole elements, that is,
instead of a
break at the
feedpoint (like the
driven element) a
solid rod is used. They
receive and reradiate...
- the
orientation of the loop itself, but
depends on the
placement of its
feedpoint. If a
vertically oriented loop is fed at the bottom, then its radiation...
- resonator. When the
radio frequency alternating current applied to its
feedpoint is near one of its
resonant frequencies, in
addition to
radiating the...
- from its apex. For
practical length radials,
their effect is to
improve feedpoint impedance of a
short antenna almost the same as
extending the
height of...
-
connecting the
radio transmitter or
receiver to the antenna. The
antenna feedpoint is
usually high in the air (for example, a
dipole antenna) or far away...
