7

SCD4444 Rev B

FIGURE 5 – TRANSMITTER (TX) OUTPUT

FIGURE 6 – TRANSMITTER (TX)

6.5V P-P MIN

8.0V P-P MAX

90%

10%

0 Volts

OUTPUT OFFSET

*

OUTPUT OFFSET

*

LAST BIT

2.5 µsec

0 Volts

Magnified View

FIGURE 7 – TYPICAL HYBRID POWER DISSIPATION vs DUTY CYCLE

* Rise and fall times measured at point A-A’ in Figure 3 or 4

*Offset measured at point A-A’ in Figure 3 or 4

WAVE FORM

OUTPUT OFFSET

0

10

20

30

40

50

60

70

80

90 100

3.2

2.8

2.4

2.0

1.6

1.2

0.8

0.4

0

DUTY CYCLE, PERCENT

3.6

4.0

PSC 1

PSC 3

PSC 2