Comtech EF Data KST-2000L - Manual (Page 22)

Satellite Terminal System Revision 2
Summary of Specifications MN/KST2000L.IOM
Table 2-1. Transmit Specifications (Continued)
Spurious Signals:
Signal Related
Harmonics
<250 kHz
Non-signal Related
-50 dBc at 6 dB below P1dB
-50 dBc at 6 dB below P1dB
-35 dBc at 6 dB below P1dB
-20 dBm/4 kHz
Third Order Intermods -30 dBc (for summed output of 2 signals @ 6 dB for
maximum output power rating)
Group Delay < 10 ns over any 40 MHz
Phase Noise Exceed IESS 308/309 requirements, Limit 2
Frequency Stability ± 1E-7/Year max
± 1E-8/Temperature
Table 2-2. Receive Specifications
Input Characteristics:
Frequency Range 10.95 to 11.7 GHz (Option A)
11.7 to 12.2 GHz (Option B)
12.2 to 12.75 GHz (Option C)
LNB Noise Figure 1.1 dB (85 °) Max
LNB Gain 60 dB
Power Level Operational: -125 to –95 dBm
Survival: -10 dBm
Connector WR-75
Impedance
50 Ω, unbalanced
VSWR 2.5:1
Output Characteristics:
Frequency Range
50 to 90 MHz, in 1 MHz steps
Optional: 100 to 180 MHz
P1dB +10 dBm
Connector Type N, female
Impedance 50 Ω, Unbalanced
VSWR 1.5:1
Transfer Characteristics:
Frequency Sense
Non-inverting
System Gain: (SSG @ -10 dB backoff) Nominal: 90 dB
User Attenuator Range 0 to 20 dB, 1 dB steps
Gain Stability over temperature
Fixed Frequency
8.0 dB p-p
Gain variation with frequency:
± 20 MHz
Entire Band
2.0 dB p-p
6.0 dB p-p
Spurious Signals:
Signal Related
< 250 kHz
Non-signal Related
-50 dBc (-5 dBm output)
-35 dBc
-126 dBm max referred to LNB input
P1dBm +10 dBm
Third Order Intermods -30 dBc (for summed output of 2 signals @ 9 dB
below P1dB
Group Delay < 10 ns over any 40 MHz
Phase Noise Exceed IESS 308/309 requirements, Limit 2
Frequency Stability ± 1E-7/Year max
± 1E-8/Temperature
2–2