Comtech EF Data CST-5000 User Manual
Page 26
Introduction
CST-5000 C-Band Satellite Terminal
1–10
Rev. 9
Table 1-2. RFT-500 Specifications (Continued)
Receive
Input Frequency (No Inversion)
3.620 to 4.200 GHz
Output Frequency
70 MHz,
±
18 MHz (optional 140 MHz,
± 36 MHz)
Output Power at 1 dB Compression
+15 dBm
Third Order Intercept
+25 dBm
Gain Adjust Range (Typical, with LNA)
87 to 98 dB
Gain Variation (with LNA):
Over 36 MHz
Over 36 MHz, Temperature and Aging
±
1.5 dB maximum
±
4 dB maximum
Noise Temperature (with LNA)
LNA specification
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 (73
° F)
Annually at 23
°
C (73
° F)
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
Spurious Non-Signal Related
-60 dBm maximum
Image Rejection (All Conversions)
> 35 dB
Linearity
Intermods < -35 dBc for two tones at
-89 dBm at 95 dB gain
RF Input VSWR
1.25:1 at 50
Ω
RF Input Connector
Type N female
IF Output VSWR
1.5:1 at 50
Ω
IF Output Connector
Type TNC female