TM 11-5895-846-14
1-11. Tabulated Data
Performance data for the units which affect the system
performance of the terminal are given in table 1-1 and
the system complement is given in table 1-2.
Table 1-1. System Performance
Characteristic
Data
Characteristic
Data
a
TERMINAL
Output Frequency (fo)
7900 to 8399.999 MHz
Frequency
Frequency Selection
1 kHz steps
Receiver
7.250 GHz to 7.750 GHz
Output Level
+ 20.8 dBm, nominal (power
Transmit
7.900 GHz to 8.399999 GHz
controlled)
Output VSWR 1.3:1
Reflector
8-foot parabolic
2nd LO Frequency
7200 to 7699.999 MHz (1 kHz
Steps)
Receive
left hand circular
DOWNCONVERTER
Transmit
right hand circular
RF Input Frequency
7250 to 7750 MHz
Power Output
1000 watts (nominal)
Frequency Selection
1 kHz Steps
Interface
70 MHz IF with a 40 MHz
RF Input VSWR
1.5:1
RF to IF Gain
+ 52 dB to + 44 dB
Noise Temperature
300K max
(adjustable)
Interface
0.25 radian over 40 MHz
Noise Figure
10 dB, maximum
bandwidth @ 70 MHz input
1st LO Frequency
6550 to 7050 MHz (1 kHz
Amplitude Response
0.5 dB over any 10 MHz
Steps)
bandwidth over the 40 MHz
1st LO Frequency
passband for 70 MHz
at RF Input-
-35 dBm maximum
1st IF
700 MHz 20 MHz
Phase Linearity
2nd LO Frequency
630 MHz
0.1 radian over 30 MHz
70 MHz 20 MHz
Receiver
IF Output
bandwidth @ 70 MHz
IF Output Impedance
50 ohms, + 10% unbalanced
output
Dynamic Range
-35 Bm input, 1 dB
0.25 radian over 40 MHz
compression
bandwidth @ 70 MHz output
LNA ASSEMBLY
0.1 radian over 30 MHz
Frequency Range
7.25 to 7.75 GHz (fixed
bandwidth @ 70 MHz input
tuned)
Prime Power
120/208 10% volts, 50/60
Bandwidth
500 MHz
Hz +5%, three phase
Gain
37 dB minimum, 41 dB
maximum
0.1 dB/minute
b
UNITS
Gain Stability
POWER AMPLIFIER
+0.5 dB/8 hours with 540 F
RF Input Power (Nominal)
+ 19.2 dBm to + 22.0 dBm
temp. change
Gain-Saturated (Nominal)
4 dB
Gain Compression
0.5 dB maximum for -60
Frequency Range
7.9-8.4 GHz
dBm input in-band
Tuning
Five Stage Calibrated
Noise Temperature
165K at maximum operating
Instantaneous Bandwidth
40 MHz
temperature
Input VSWR
1.30:1
Amplitude Response
0.25 dB over any 40 MHz
Power Output (PA Flange)
1200 watts
band
Power Output Adjustment
+0.15 dB over any 10
Range
23 dB min
MHz band
Harmonic Output Level
- 60 dB
Phase Linearity
6 degrees per 40 MHz
Tube Noise Figure
33 dB
+ 3 degrees per 10 MHz
Spurious Output Level
-80 dB
AMPLIFIER/MIXER
Output VSWR
1.25:1
RF Input Power per Channel
+ 21 dBm (nominal)
Gain Stability
0.3 dB/8 Hr
Frequency Range
7.9 to 8.4 GHz
In-Band Noise
- 92 dBm/Hz
Gain Index Multicarrier
1 dBm
Out-of-Band Noise
- 202 dBm/Hz
Gain under Single Carrier
ldB
Warm-Up Time
5 minutes
Power Output: Multicarrier
+ 22 dBm (nominal)
UPCONVERTER
Power Output: Single Carrier
+ 22 dBm (nominal)
Input Frequency
70 MHz 20 MHz
Input Impedance
50 ohm
Input Level
- 10 dBm, 2.0 dB
Gain Stability
0.3 dB/8 hr.
Input Impedance
50 ohms 10% unbalanced
Warm-up Time
3 minutes
700 MHz 20 MHz
2nd IF
Prime Power
130 watts at 120 volts
1st LO Frequency
630 MHz
50/60 Hz
1-4
