Ntenna Onsiderations; Out Oa Ial A Le - Yaesu FT DX 3000 Operating Manual

i
nstallation anD
The FT 3000 is designed for use ith any antenna system pro iding a
DX
erating fre uency. hile minor e cursions from the
atio present at the ntenna jac is greater than
to reduce the impedance mismatch to an acceptable value.
ery effort should e made to ensure that the impedance of the antenna system e as close as possi le to the specified
hm alue. ote that the
external wide-range antenna coupler must be used with this antenna type.
ny antenna to e used
hen using a alanced antenna such as a dipole remem er that a alun or other matching alancing de ice must e
used to ensure proper antenna performance.
he same precautions apply to any additional recei e only antennas connected to the antenna jac s. if your recei e
only antennas do not ha e impedance near
tenna tuner to obtain optimum performance.
se high uality hm coa ial ca le for the lead in to your FT
ficient antenna system ill e asted if poor uality lossy coa ial ca le is used. his transcei er utili es standard
type connectors.
Page 8
i
nterconnections
A
ntennA
type antenna does not pro ide a
ith the FT 3000 must e fed from the transcei er
DX
hms at the operating fre uency you may need to install an e ternal an-
A c
bout
t pl-259 i
ypicAl
c
onSiderAtionS
hm resisti e impedance at the desired op-
hm specification are of no conse uence if the tanding
the transcei er s utomatic ntenna uner may not e a le
hm impedance on all
c
oAxiAl Able
3000 transcei er. ll efforts at pro iding an ef-
DX
nStAllAtion
F T
DX
mateur ands. n
ith hm coa ial ca le. herefore
30 00 O M
peraTing
a e
anual