TM 11-5840-360-14-1-1
Table 1-20 Wave Guide Switch SA-2140 Performance Characteristics (V2)
Parameter
Description
Wave Guide Switch
Frequency Range
8.2 to 12.4 GHz
Flange
Choke, UG-135/U
No. and Angle of Positions
Transfer 900 (4-port)
Dummy Load (P/O Wave Guide Switch)
Frequency Range
8.2 to 12.4 GHz
Maximum VSWR
1.10 to 1
1.18.2 Performance Characteristics
1.19
ANTENNA AS-3195 AND PEDESTAL AB-1248
Performance characteristics of the receiver trans-
mitter are specified in Table 1-21.
1.19.1 Function of Equipment
The pedestal supports and rotates the antenna at 33
1.18.3 Physical Description
RPM. The antenna both radiates the narrow horizontal
A physical description of this receiver transmitter is
beam generated by the receiver transmitter, and
given in Table 1-25.
receives the target echoes for transmission to the
indicators.
1.18.4 Power Requirements
1.19.2 Performance Characteristics
The power requirements of the receiver transmitter
are 208/220/440 Vac, 60 Hz, 30, 1500 W.
Performance characteristics of the antenna and
pedestal are specified in Table 1-22.
Table 1-21. Receiver Transmitter RT-1241 Performance Characteristics (V4)
Parameter
Description
Transmitter
Frequency Range
3050 25 MHz
Peak Pulse Power Output
50 10 KW
Pulse Width
0.06 usec (0.25 to 3 NM); 0.5 usec (6,12 NM);
1 usec (24, 48, 64 NM); 0.5 usec (12RT)
PRF
3600, 1800, 900 PPS
Receiver
Intermediate Frequency
45 MHz
IF Amplifier Bandwidth
24 MHz (0.06 usec PW); 4 MHz (0.5 and 1 usec PW)
Video Amplifier Bandwidth
20 MHz equivalent (sample data system)
Noise Figure
10 dB maximum
MDS
-98dB minimum
System Environment
Ambient Temperature Range
0to +55C
Relative Humidity (at 550 C)
95%
Shock (all planes-)
15G
Vibration
1G at 5-50 Hz
Waterproofing
Drip-proof
1-27
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