Modulator specification, 5 modulator specification – Comtech EF Data SNM-1010L User Manual
Page 28
SNM-1010L Data/Control Modem
Revision 0
Introduction
MN/SNM1010L.OM
1.5 Modulator
Specification
Parameter
Remarks
Output Frequency
950 to 1750 MHz, in 100 Hz steps
Output Power
0 to –40 dBm, in 0.1 dB steps with
± 1.5 dB accuracy
Output Stability
± 0.5 dB
Output Spurious in 4 kHz band
(measured with modulated
carrier)
< -55 dBc, 55 to 2000 MHz
Output Phase Noise
< -63 dBc/Hz @ 100 Hz
< -73 dBc/Hz @ 1 kHz
< -83 dBc/Hz @ 10 kHz
< -93 dBc/Hz @ 100 kHz
Output Impedance, Return Loss
50
Ω ≥ 14 dB
Output Connector
Type N (Female)
Output Spectrum
IESS-308/309. EFData Closed
Spectral Sense
Normal or Inverted
Data Clock Source
Internal or External
Internal Stability
± 0.02 ppm
Outdoor Reference (Center
conductor of IF output connector)
On or Off, 10 MHz
± 0.02 ppm @ 0 dBm ± 0.3 dB
dBc/Hz
Frequency Offset
-50
1 Hz
-80
10
Hz
-110
100
Hz
-140
1kHz
-150
10
kHz
-150
100
kHz
Outdoor Unit M&C
FSK TX and RX for M&C of the SierraCom or Herley BUC.
Outdoor Unit DC Voltage
(From IF output connector)
On or Off (with optional ODU voltage):
24 VDC, 4.0 amps max, universal AC input , 100W
48 VDC, 3.0 amps max, universal AC input, 150W
Outdoor Unit Current
Min/Max programmable current limit and alarm if current falls
outside the programmable threshold.
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