Antenna Specification - Koden MDC-1840BB Operation Manual

MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series
Operation Manual

3.1 Antenna specification

Model name
MDC-1840BB MDC-1841BB MDC-1860BB
Aerial length
3 feet / 4 feet
Peak power
output
Frequency
Beam width
Horizontal
Vertical
Side lobes
o
Within +/- 10
o
Outside +/- 10
Rotation
Transmission pulse
S (Short
width
pulse)
M1 (Medium 1
pulse)
M2 (Medium 2
pulse)
L (Long pulse)
IF center
frequency
IF bandwidth
Noise figure
Operation in wind
Water proofing
grade
3.2 Processor specification
Effective
diameter
Resolution
Video level
Presentation
mode
Range scale
(NM)
Rings interval
(NM)
Off-centering
0093142122-08
Chapter 3 Technical Specifications
2 feet
4kW
o o
2.5 / 1.8 3.9
o
22 25
Better than Better than
–23dB –20dB
Better than Better than
–30 dB –20dB
4 kW
0.08 μs / 2000 Hz
0.25 μs / 1500 Hz
0.8 μs / 600 Hz
0.8 μs / 600 Hz
mm (at 18 inch LCD monitor)
269
1280 x 1024 pixels
8 levels
Head-up, north-up, course-up and true motion
1/8 1/4 1/2 3/4 1.5 3 6 12 24 48 (4 kW) 64 (6 kW) 72 (12 kW) 96 (25 kW)
1/16 1/8 1/4 1/2 1 2 4 8 (4 kW) 16 (6 kW) 12 (12 kW) 16 (25 kW)
Sweep origin can be moved to any point within 2/3 of the screen radius.
6kW
9410 +/- 30 MHz
o
o
24/48 r.p.m.
6 kW/12 kW
0.08 μs / 4000 Hz
0.25 μs / 2000 Hz
0.5 μs / 1000 Hz
1.0 μs / 500 Hz
60 MHz
15 MHz (S, M1) / 3 MHz (M2, L)
Better than 6 dB
100 knots as relative
IPX6 (IEC60529)
Chapter 3
Technical Specifications
MDC-1810BB MDC-1820BB
4 feet / 6 feet
12kW
o
1.8 / 1.2
o
22
Better than –23dB
Better than –30 dB
0.08μs/2000Hz
0.3μs/1300Hz
1.2 μs / 500Hz,
450Hz(96NM)
25kW
25 kW
0.6μs/800Hz
3-1