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Modulator specification, 5 modulator specification – Comtech EF Data SNM-1010L User Manual

Page 28

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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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