Comtech EF Data CST-5000 - 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