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Table 1-4. modulation specifications – Comtech EF Data CIM-300L User Manual

Page 32

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CiM-300L IP Enabled Satellite Modem

Rev. 1

Introduction

CD/CIM300L.IOM

6

Table 1-4. Modulation Specifications

Parameter

L-Band Option

Output Frequency

950 to 1750 MHz
in 100 Hz steps

Output Power

0 to –30 dBm in 0.5 dB steps,
with

± 2.5 dB accuracy

Output Stability

± 0.5 dB

Output Spurious in 4 kHz Band
(measured with modulated carrier)

< –50 dBc, 55 to 2000 MHz

Output Phase Noise

< -63 dBc/Hz at 100 Hz
< -73 dBc/Hz at 1 kHz
< -83 dBc/Hz at 10 MHz
< -93 dBc/Hz at 100 kHz

Output Impedance, Return Loss

50

Ω ≥ 15 dB

Output Spectrum

IESS-308/-309, EFD Closed

Data Clock Source

Internal or External

Internal Stability

± 0.02 ppm

Output Connector

Type N, Female

Outdoor Reference (center
conductor of IF Output connector)

On or Off
10 MHz

± 0.02 ppm at 0 ± 3 dBm

Outdoor Unit (ODU) DC Voltage
(From IF output connector)

On or Off (with optional ODU voltage)