beautypg.com

Specification – Comtech EF Data SDM-9000 User Manual

Page 216

background image

Options

SDM-9000 Satellite Modem

A–30

Rev. 4

10

-4

10

-3

10

-5

10

-6

BER

10

-7

10

-9

10

-8

10

-10

3.0

4.0

5.0

6.0

E

b

/N

0

(dB)

7.0

8.0

9.0

10.0

11.0

10

-2

1/2 Rate

Specification

3/4 Rate

7/8 Rate

Figure A-22. QPSK (1/2, 3/4, 7/8 Rates) with Reed-Solomon (DVB)