C - RESULTS

The results reported in the following table are typical values. When evaluating another application some

differences may be especially noticed when Eb/No is higher than 10dB, in these conditions the charac-

teristics of the tuner and the A/D converter may influence the results.

Conditions : Puncture rate : 2/3, 20MBauds signal, DVB encoding (RS : 188/204), C/N =

Eb

No

2

⋅ (PR)

Eb/No (dB)

Measurement Conditions

S

S Scaled

SN bits (hex)

AGC, m (dec)

4

1

20

152

2.432

4.5

137

2.192

5

121

1.936

5.5

105

1.664

6

92

1.474

6.5

78

1.248

7

64

1.024

7.5

2

20

205

820

8

168

672

8.5

131

524

9

98

392

9.5

73

292

10

3

20

212

212

10.5

146

146

11

95

95

11.5

61

61

12

3

16

122

12.5

84

13

55

13.5

35

14

22

14.5

13

15

3

12

128

15.5

95

16

70

ANNEXE 1 : C/n ESTIMATION (continued)

STV0196B

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