8

Application Information ......

Bit Error Rate Performance

10

-6

10

-5

10

-4

10

-3

10

-2

10

-1

5

S/N (dB) [Noise Bandwidth = Bit Rate]

BT = 1.0 (Theoretical)

FX489 BT = 0.5

FX489 BT = 0.3

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

Fig. 6 Typical Bit-Error-Rate Performance

0

10

20

30

40

50

60

70

80

90

100

%HighTime

S/N (dB)

BT = 0.5

BT = 0.3

456789

10

11

12

13

Rx Signal Quality

Figure 7 shows, diagramatically, the effect of input Rx signal quality on the “Rx S/N” output.

Fig.7 Typical Rx S/N Output ‘High-Time’ (%) vs Input S/N