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Ch08_technical_specifications, Chapter 8. technical specifications – Comtech EF Data OM20 User Manual

Page 145

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MN-OM20– Revision 5

8–1

Chapter 8. Technical Specifications

8.1

Data Rates

8.2

Modulator

Modulation

BPSK, QPSK, and OQPSK (8PSK, 16QAM Optional)

L-Band Tuning Range

950 to 2050 MHz in 1 Hz Steps

Impedance

50-Ohm

Connector

N-Type female

Return Loss

10 dB Minimum

Output Power

-20 to -45 dB

Output Stability

±0.5 dB Over Time and Temperature

Output Spectrum

Meets IESS 308/309/310 Power Spectral Mask

Spurious

-60 dBc In-Band 950 to 2050 MHz

-45 dBc Out-of-Band

On/Off Power Ratio

>60 dB

Scrambler

TT V.35 or IBS (Others Optional)

FEC

Viterbi, K = 7 at 1/2, 3/4 and 7/8

2/3 Rate Trellis

Radyne Turbo (Optional)

BPSK 21/44

8PSK/16QAM 3/4, 7/8

QPSK 1/2, 3/4, 7/8

(Turbo Supported at all Modulation Types)

Outer Encoder Options

Reed-Solomon INTELSAT (DVB Optional)

Data Clock Source

Internal, Rx Recovered

Internal Stability

5x 10

-8

Typical