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Ber threshold, 1 ber threshold – Comtech EF Data SNM-1002 User Manual

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SNM-1002 LinkSync™ Modem

Revision 2

Introduction

MN/SNM1002.OM

1–9

1.5.1 BER

Threshold

The modem will have a programmable BER threshold function. This will allow the
operator to set the threshold from 1.0 E-3 to 1.0 E-8.

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

3/4 Rate

7/8 Rate

SPECIFICATIONS

Figure 1-6. Viterbi BER Performance Curves