Comtech EF Data CST-5000 User Manual
Page 25
CST-5000 C-Band Satellite Terminal
Introduction
Rev. 9
1–9
Table 1-2. RFT-500 Specifications
Transmit
Output Frequency (No Inversion)
5.845 to 6.425 GHz
Input Frequency
70 MHz,
±
18 MHz (optional 140 MHz,
± 36 MHz)
Output Power:
at 1 dB compression
+8 dBm
or 5W (+37 dBm)
or 10W (+40 dBm)
or 20W (+43 dBm)
or 40W (+46 dBm)
Third Order Intercept
+18 dBm (for +8 dBm)
or +46 dBm (for 5W)
or +49 dBm (for 10W)
or +52 dBm (for 20W)
or +55 dBm (for 40W)
Nominal Small Signal Gain
26 dB (for +8 dBm)
or 68 dB (for 5W)
or 71 dB (for 10W)
or 74 dB (for 20W)
or 77 dB (for 40W)
Gain Adjust Range
0 to 25 dB, in 0.5 dB steps
Gain Variation:
Over 36 MHz
Over 36 MHz, Temperature, and Aging
±
1 dB maximum
±
2 dB maximum
Noise Figure:
Maximum Attenuation
Minimum Attenuation
23 dB maximum
15 dB maximum
Group Delay
25 ns/36 MHz
Synthesizer Step Size
2.5 MHz (optional 125 kHz)
Synthesizer Phase Noise
-60 dBc/Hz at 100 Hz
-70 dBc/Hz at 1 kHz
-75 dBc/Hz at 10 kHz
-80 dBc/Hz at 100 kHz
Frequency Stability:
At Shipment
Daily at 23
°
C
Annual at 23
°
C
Over Temperature
After 30 Minutes Warm-up
Electrical Adjustment
±
1 x 10
-8
±
1 x 10
-8
±
1 x 10
-7
±
1 x 10
-8
(-40 to +55
°
C) (-104 to +131° F)
±
1 x 10
-8
0.5 x 10
-7
Isolation on Fault Shutdown
-60 dBc
Spurious:
< 250 kHz Carrier Offset
> 250 kHz Carrier Offset
-35 dBc maximum
-58 dBc maximum
HPA Harmonics
-50 dBc maximum
RF Output VSWR
1.5:1 at 50
Ω
RF Output Connector
Type N female
IF Input VSWR
1.5:1 at 50
Ω
IF Input Connector
Type TNC female