Comtech EF Data CST-5005 - Manual (Page 19)

CST-5005 C-Band Satellite Terminal Introduction
Rev. 1 1–9
Receive
Input Frequency (No inversion) 3.620 to 4.2 GHz
Output Frequency 70 MHz, ± 18 MHz (optional 140 MHz, ± 36 MHz)
Output Power at 1 dB Comp +15 dBm
Gain Adjust Range (with LNA) 74 to 95 dB
Gain Variation (with LNA):
Over 36 MHz
Over 36 MHz, temperature, and aging ± 1.5 dB max
± 4 dB max
Noise Temperature (with LNA) LNA specification
Group Delay, Total Variation in Passband 10 ns max
Synthesizer Step Size 125 kHz
Synthesizer Phase Noise -60 dBc/Hz at 100 Hz
-70 dBc/Hz at 1 kHz
-80 dBc/Hz at 10 kHz
-90 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)
± 1 x 10 -8
0.5 x 10 -7
Spurious In Band -60 dBc max
Image Rejection (all conversions) > 50 dB
Linearity Intermods < -35 dBc for two tones at -89 dBm at
+95 dB gain
RF Input VSWR (with LNA) 1.35:1 at 50 Ω
RF Input Connector Type N female
IF Output VSWR 1.5:1 at 50 Ω
IF Output Connector Type N female
Monitor and Control
Control Interface RS-232-C, RS-485
Control Functions SELECT PARITY
RF OUTPT LNA PWR
U/C FREQ LNA FLT
D/C FREQ CALIB. LNA
U/C ATTN REF ADJ
D/C ATTN XFLT ENABLE
PROGRAM RSW MODE
BAUD LOCK MODE
ADDRESS
Monitor Functions U/C TEMP
D/C TEMP
HPA TEMP
Fault Detect Functions 5V PWR HPA_FLT
D/C_FLT OSC_FLT
U/C_FLT SYN_LOCK_DET
2nd_SYN_LD XFE_FLT
RESET_FLT IFLO_LD
12V PWR UL_FLT
LNA_FLT DL_FLT