Furuno model 1622 Manual De Usuario

1. GENERAL

(1)   Indication System

PPI Daylight display, raster scan, 4 tones in monochrome

(2)   Range, Pulselength (PL) & Pulse Repetition Rate (PRR)

Range (nm)

0.125, 0.25, 0.5, 0.75

1, 1.5, 2

3, 4, 6, 8, 12, 16

Pulse Length

0.12 

µ

s (short)

0.3 

µ

s (medium)

0.8 

µ

s (long)

Pulse Repetition Rate

2100 Hz nominal

1200 Hz nominal

600 Hz nominal

(3)   Range Resolution

Better than 50 m

(4)   Bearing Discrimination

Within 7.7°

(5)   Minimum Range

41 m

(6)   Bearing Accuracy

Within 1°

(7)   Range Ring Accuracy

0.9 % of range or 8 m, whichever is the greater

2. SCANNER UNIT

(1)   Radiator

Micro-strip

(2)   Polarization

Horizontal

(3)   Antenna Rotation Speed

24 rpm nominal

(4)   Radiator Length

34 cm

(5)   Horizontal Beamwidth

Less than 6.2°

(6)   Vertical Beamwidth

25°

(7)   Sidelobe Attenuation

Less than -20 dB

3. TRANSCEIVER MODULE

(1)   Frequency

9410 MHz ±30MHz (X band)

(2)   Modulation

P0N

(3)   Peak Output Power

2.2 kW

(4)   Modulator

FET Switching Method

(5)   Intermediate Frequency

60 MHz

(6)   Tuning

Automatic

(7)   Receiver Front End

MIC (Microwave IC)

(8)   Bandwidth

7 MHz

(9)   Duplexer

Circulator with diode limiter

(10)  Time of Heat-up

1-min. approx.