SPEC I FI CA TION
26
The tech ni cal spec i fi ca tions for the MkVII S-band
Trans ceiver are as fol lows:
Trans mit ter
:
S-Band
Frequency:
3050
±
10 MHz
Magnetron
Rating:
30 kW nominal
Magnetron Life:
10,000 Hours typical
Pulse length
and P.R.F:
Short(S)
nominal 0.055
m
s
3000pps
±
100
Medium(M)
nominal l 0.2
m
s
1500 pps
±
40
Long(L)
nominal
0.9
m
s
750 pps
±
20
Long-Low
PRF(VL)
nominal 1.0
m
s
375 pps
±
10
Sync. Output:
2 x 75 Ohm outputs
not less than +12V amplitude
Pulse to Pulse
Jitter:
This will normally be activated and is
±
15
m
s from nominal period. This function can
be inhibited.
27
The PRF and Pulse Length can be set to other values
via the RS232 link.
28
The above values are the nominal settings.
29
Receiver specifications are detailed overleaf.
Re ceiver:
S-Band
Type:
Logarithmic Receiver
I.F.
60 MHz
Video Output:
2 x 75
W
+5.5V to 6V peak signal
System Overall
Noise Figure
Nominal 4.5 dB
Operating Temperature
Ranges:
Turning Mechanism:
S-Band
Ambient Temperature
Range:
-25
o
C to +70
o
C
Humidity:
95% at +40
o
C
Downmast Transceiver:
Ambient Temperature
Range:
-15
°
C to +55°C
Humidity:
95% at +40°C
CAE-A30-5 and CAE-A30-6
Turning Mech a nism
Azimuth Data:
90 pulses per revolution
Heading Data:
1 pulse per revolution
Input Power:
S-Band
Input Power Single Phase:
110V/220V ac input
Input Power 3-Phase:
Low Speed:
0.55kW 0.75kVA
High Speed:
2.2kW 3kVA
Original
7d.5
May 01
KH 2020
Chap 7d
Summary of Contents for Kelvin Hughes Nucleus 3 5000 Series
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