5

Figure 2. Recommended power supply filter and +5 V ECL signal terminations for the transmitter and receiver application circuit of Figure 1

Figure 4. Typical optical power budget vs. data rate

Figure 3. Average modulated power

8 TD

7 TD

4

3 RD

2 RD

82

10 μF

0.1 μF

4.7 μH

0.1 μF

+5 V ECL

SERIAL DATA

SOURCE

0.1 μF

0.1 μF

82

120

120

+5 V ECL

SERIAL DATA

RECEIVER

4.7 μH

10 μF

+

+

+



5 V

82

82

120

120

FIBER-OPTIC

TRANSCEIVER

SHOWN IN

FIGURE 1

4.7 μH

200

100

0

DUTY CYCLE  %

150

50

0

20

40

80

100

60

AVERAGE POWER,

50% DUTY CYCLE

AVERAGE

MODULATED

POWER

21

15

9

DATA RATE  MBd

19

11

17

13

10

90

70

130

150

110

30

50

POF

HCS