HVG MARINE ELECTRIC EQUIPMENT 0048: Bộ thu phát GMDSS MF / HF Marine SSB
Đặc trưng:
1. Frequency range:
-Rx: 0.5-29.9999MHz
-Tx: 1.6-2.9999, 4.0-4.9999, 6.0-6.9999, 8.0-8.9999, 12.0-13.9999, 16.0-17.9999, 18.0-19.9999, 22.0-22.9999, 25.0-27.5000MHz
DSC: 2.1875, 4.2075, 6.3120, 8.4145, 12.5770, 16.8045MHz
2. Operating mode: J3E(USB/LSB), J2B(AFSK), F1B(FSK, DSC), A1A(CW), H3E(AM), LSB, A1A and H3E mode is only used for receiving
3. Number of memory channel: 1205 max. ( 160 programmable channels, 249 ITU SSB dual-frequency channels, 124 ITU SSB single-frequency channels, 662 ITU FSK dual-frequency channels, 10 SEMI channels )
4. Antenna impedance: 50Ω
5. Power supply: 21.6-31.2V DC, Tx max. power 30A, Rx max. audio less than 3A
6. Temperature range:－15℃ to＋55℃
7. Frequency stability: ±10Hz
8. Weight: approx. 8.5kg
1. RF output power: 1.6-3.999MHz 85W, 4.0-27.500MHz 125W
2. Spurious emission: 43dB
3. Carrier suppression: 50dB
4. Microphone interface: 8 core, 2.4kΩ
1. Sensitivity (at 20dB SINAD, emf)
|
Frequency range |
J3E, A1A |
J2B, F1B |
H3E |
DSC |
|
0.5-1.5999MHz |
30dB uV |
－ |
44dB uV |
0dB uV (at 1% error rate) |
|
1.6-1.7999MHz |
13dB uV |
13dB uV |
30dB uV |
|
|
1.8-3.9999MHz |
8dB uV |
8dB uV |
24dB uV |
|
|
4.0-29.9999MHz |
－ |
2. Clutter suppression: more than 50dB
3. Audio output power (at 24V DC): 4.0W, 10% distortion rate, 4Ω
