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參數(shù)資料
| 型號(hào)： | OPC-457 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | VHF MARINE TRANSCEIVER |
| 中文描述： | 甚高頻海洋收發(fā)器 |
| 文件頁數(shù)： | 34/36頁 |
| 文件大?。?/td> | 545K |
| 代理商： | OPC-457 |
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SPECIFICATIONS
9
30
General
Frequency coverage
: Transmit 156
–
157.5 MHz
Receive
156
–
163 MHz
: All U.S.A., International and
Canadian channels plus 10
weather channels
: 16K0G3E, (16K0G2B
when
optional DSC is in use
)
: 13.8 V DC ± 15%
: Transmit
high power
low power
Receive
standby
max. audio output
: ± 10 ppm
:
–
20
°
C to +60
°
C;
–
4
°
F to +140
°
F
: 140(W) x 55(H) x 155(D) mm
5
1
2
(W) x 2
5
32
(H) x 6
3
32
(D) in
: 1.0 kg; 2.2 lb
Usable channels
Mode
Power supply requirement
Current drain
(at 13.8 V DC)
6.0 A
1.5 A
350 mA
1.2 A
Frequency stability
Usable temp. range
Dimensions
(projections not included)
Weight
Transmitter
Output power
Modulation system
: High 25 W
: Variable reactance phase
modulation
Low 1 W
Max. frequency deviation: ±5.0 kHz
Spurious emissions
Microphone impedance : 600
: Less than
–
70 dB
Receiver
Receive system
: Double conversion
superheterodyne
Intermediate frequencies : 1st 21.8 MHz
Sensitivity
Squelch sensitivity
Adjacent channel
selectivity
Spurious reponse
rejection
Intermodulation rejection : More than 70 dB
Audio output power
Audio output impedance : 4
2nd 455 kHz
: 0.22 μV (typical)
for 12 dB SINAD
: 0.18 μV
at threshold
: More than 70 dB
: More than 70 dB
: 3.5 W
at 10% distortion
All stated speci
fi
cations are subject to change without notice or
obligation
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