Diamond Antenna KV2 Instrukcja obsługi - Strona 3
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②Adjustment procedure can be
started from higher frequency
(7MHz).
Transmit
frequency and change the location
and length of hat to have lowest
VSWR at the frequency.
・ Resonant frequency
variations by capacity hat
location and hat element length
combinations.
Please refer to the following chart to
find
out
changes
in
frequency bandwidth by capacity hat
location and hat element length
combinations. By changing the hat
location up and down, resonant
frequency of the antenna changes
within selected variable resonant
frequency bandwidth.
Capacity hat location and the hat
length combinations chart.
Combinations
Frequency range Frequency
3.450-3.515MHz
Hat 4pcs
Hat 2pcs + Hat S 2pcs
3.515-3.575MHz
(Standard)
3.595-3.665MHz
Hat S 4pcs
Hat S 2pcs +
3.660-3.720MHz
Hat SS 2pcs
Hat SS 4pcs
3.725-3.770MHz
Hat SS 2pcs
3.765-3.810MHz
7.00-7.05MHz
Hat S 2pcs
Hat SS 4pcs
7.05-7.10MHz
(Standard)
7.10-7.15MHz
Hat SS 2pcs
7.15-7.20MHz
No Hat
Miyata Building, No.15-1,1-chome Sugamo,Toshimaku Tokyo,Japan 170-0002 TEL.03-3947-1411 FAX.03-3944-2981
・Resonant frequency change
corresponding to the value of the
hat movement.
at
desired
In 3.5MHz
10KHz per 4.5cm movement.
In 7MHz band, approximately 10KHz
per 6.5cm movement.
resonant
3.5MHz
↓
↓
↓
↓
↓
7MHz
↓
↓
↓
※Moving the hat upward will change
resonant frequency of the antenna
higher, and down ward will change
the frequency lower. For change
of the frequency value, refer to the
resonant
corresponding to the value of the
hat movement section.
DIAMOND ANTENNA CORPORATION
Home Page http://www.diamond-ant.co.jp/english.html
band, approximately
↓
3.5MHz
Normal position
↑
↓
7MHz
Normal position
↑
frequency
change
E-mail [email protected]
・VSWR
1.5
1.4
1.3
1.2
1.1
3.5
-15
f
0
7
-45
f
0
MHz KHz
It may be changed depending on
installation requirements.
・Specifications
Frequency range 80, 40 m
(3.5, 7 MHz)
Impedance 50Ω
VSWR
Less than 1.5
Maximum power rating
250W SSB (3.5MHz)
500W SSB (7 MHz)
Maximum wind resistance 35m/sec
Length
6.14m
Weight
2.65kgs
Connector MJ
Mast diameter accepted
1 1/5" - 2 1/3"
(30-62φ)
Design Dual band trap vertical
antenna with trap radials
Though these products purchased
are manufactured under strict quality
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.
+15
+45
KHz