MODEL 1832 SPECIFICATIONS
ANTENNA UNIT
1. | Radiator: |
|
| Printed array |
2. | Radiator length: | 60 cm | ||
3. | Horizontal beamwidth: | 3.9° | ||
4. | Vertical beamwidth: | 20° | ||
5. | Sidelobe: |
|
|
|
| Within ± | 20° | of mainlobe; less than | |
| Outside ± | 20° | of mainlobe; less than | |
6. | Polarization: |
| Horizontal | |
7.Antenna rotation speed: 24 rpm
8.Wind resistance:
Relative wind speed 100 knots (51.5 m/s)
TRANSCEIVER MODULE (contained in radome)
1. Transmitting tube: | E3571 or | |
|
| MAF1421B |
2. | Frequency: |
|
| 9410 MHz ± 30 MHz |
|
3. | Peak output power: | 4 kW nominal |
4.Pulselength & pulse repetition rate:
0.08∝ s, 2100 Hz (0.125, 0.25, 0.5, 0.75, 1.5)
0.3∝ s, 1200 Hz (1.5, 2, 3)
| 0.8 ∝ s, 600Hz (3, 4, 6, 8, 12, 16, 24, 36) | |
5. | Warmup time: | 1:30 |
6. | Modulator: | FET switching |
|
| method |
7. | I.F.: | 60 MHz |
8. | Tuning: | 3Automatic or |
|
| manual |
9. | Receiver front end: |
|
MIC (Microwave IC)
10. Bandwidth:
Tx pulselength 0.3 ∝ s and 0.08 ∝ s: 25 MHz
Tx pulselength 0.8 ∝ s: 3 MHz
11. Duplexer:Circulator with diode limiter
DISPLAY UNIT
1. | Indication system: | PPI raster scan |
2. | Display: | |
|
| monochrome CRT |
3.Range scale (nm):
Range, Range interval and no. of Rings: 0.125 (0.0625, 2), 0.25 (0.125, 4), 0.75 (0.25, 3), 1 (0.25, 4), 1.5 (0.5, 3), 2 (0.5, 4), 3 (1, 3), 4 (1, 4), 6 (2, 3), 8 (2, 4), 12 (3, 4),
| 16 (4, 4), 24 (6, 4), 36 (12, 3) | |
4. | Bearing resolution: | 4° |
5. | Bearing accuracy: | Within 1° |
6. | Range discrimination: | Better than 20 m |
7.Range ring accuracy:
0.9% or range in use or 8 m, whichever is larger
8.Minimum range: Better than 25 m
9.Markers:
Heading line, Bearing scale, Range ring, VRM 1/2, EBL 1/2, Tuning indicator, Cursor, Alarm zone, North mark (heading sensor input required)
10. Alphanumeric indication:
Range, Range ring interval, Pulselength (SP, MP, LP), Display mode (HU, CU, NU, TM), Interference rejection (IR1, IR2, IR3), VRM (1,2), EBL (1, 2), Automatic A/C SEA (A/C AUTO),
G(IN)/G(OUT)/G(ACKN), Echo stretch (ES1, ES2), Range to cursor, Bearing to cursor, Echo trailing (TRAIL), Trail time, Trail elapsed time, Navigation data (naviga- tion input required), heading (HDG, heading sensor input required)
11. Vibration:
Vibration Total amplitude | ||
5 to 12.5 Hz | ± | 1.6 mm |
12 to 25 Hz | ± | 0.35 mm |
25 to 50 Hz | ± | 0.10 mm |
12. Temperature: |
|
|
Antenna unit; | ||
Display unit; | ||
13. Humidity:
Relative humidity 93% or less at + 40° C
14. Waterproofing:Antenna unit; IPX6 Display unit; IPX5
15. Power supply & power consumption:
50W
16. Protection feature:
Protection against reverse polarity, overvolt- age, overcurrent, and internal fault
17. Compass safe distance:
| Standard compass | Steering compass |
Display unit | 0.75 m | 0.6 m |
Antenna unit | 0.9 m | 0.7 m |
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