Diamond Antenna CP-6S Інструкція з експлуатації - Сторінка 4
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10 Turn each radial element into radial
element holders. Then align water
drain hole in each radial element trap
coil assembly downward by turning
backward and fasten each element
with grip nut, Note that 6m radial
element does not have trap coil assem-
bly. (Refer to Fig-9)
<<Note>>
To avoid breaking each radial element
trap coil assembly, turn it into a holder
lightly till it stops and turn backward to
align water drain hole downward and
secure with a screw.
●Adjustment
<<Note for frequency adjustment>>
Practice
the
following
procedure at the place where the antenna
is actually installed.
Test transmission for the adjustment has
to be performed for as short time as
possible and with as low RF power as
possible. Maximum RF power rating of
continuous wave.
(CW or FM at less than 10W)
1 Prepare suitable VSWR meter for
operating frequencies and output RF
power. Then connect it as shown in
below.
VSWR
Tranceiver
meter
2 Adjustment procedure can be started
from any frequency you like. Transmit
at desired frequency and trim adjust-
ment length of radial element to have
lower VSWR at the frequency.
Adjustment length of each radial element
is shown in the following table. If you do
not have a VSWR meter, adjust it to a
typical adjustment length.
Band
80m(3.5MHz)
Applox.540mm
40m(7MHz)
Applox.470mm
20m(14MHz)
Applox.490mm
15m(21MHz)
Applox.540mm
10m(28-29MHz)
Applox.420mm
6m(50MHz)
Applox.420mm
Miyata Building, No.15-1,1-chome Sugamo,Toshimaku Tokyo,Japan 170-0002 TEL.03-3947-1411 FAX.03-3944-2981
※If the radial element of a band is made
longer, resonant frequency of the band
is made lower proportionally.
※Though typical adjustment length of
each radial element is set at center
frequency of each band, it varies more
or less depending on the place the
antenna is installed.
Adjustment example:
If center frequency of 40m band is set at
7.050MHz and real center frequency
when the antenna is installed is at
7.010MHz, then frequency difference
between is:
7.050MHz (desired center frequency) –
7.010MHz (real center frequency) =
40KHz.
From Table A, adjustment length at 40m
band
is
adjustment
therefore:
10mm x 40KHz / 10KHz = 40mm
Since real center frequency is lower than
desired center frequency, radial element
has to be made 40mm shorter to have
7.050MHz center frequency.
CP-6S
●VSWR
1.5
1.4
1.3
(Fig-10)
1.2
1.1
3.5
-9
7
-14
14
-50
21
-100
28-29 -125
50
-1000
MHz KHz
Spread
One direction
radials
radials
Applox.450mm
Applox.440mm
Applox.400mm
Applox.460mm
Applox.380mm
Applox.300mm
DIAMOND ANTENNA CORPORATION
Home Page http://www.diamond-ant.co.jp
E-mail [email protected]
about
10mm
per
10KHz,
f0
f0
f0
f0
f0
f0
Length/
Frequency
35mm/10KHz
10mm/10KHz
15mm/20KHz
32mm/50KHz
35mm/50KHz
50mm/1MHz
(Table A)
Specifications
●
Frequency range
80, 40, 20, 15, 10, 6m
/
(3.5, 7, 14, 21, 28-29, 50MHz)
Feed point Impedance
50Ω
/
VSWR
Less than 1.5
/
Maximum power rating
200W(SSB),
/
70W(FW/CW)
Maximum wind resistance
/
90MPH (40m/sec)
Length
177"(4.5m)
/
Radial element length
71"(1.8m)
/
Weight
9.9lbs (4.9Kg)
/
Mast diameter accepted
/
1 1/5" – 2 1/3" (30-62φ)
Design
6band trap vertical antenna
/
with trap radials
■Though these products purchased are
manufactured
under
strict
control, if damage is caused by
transporting, ask your dealer promptly.
■Design and specifications of these
products will be changed for future
improvement without advance notice.
+9
+14
+50
+100
+125
+1000
KHz
quality