AD9550
Rev. 0 | Page 10 of 20
0
200
400
600
800
1000
1800
1600
1200
1400
OUTPUT VOLTAGE (mV p-p)
0 900800700600500400300200100
FREQUENCY (MHz)
LVPECL
LVDS
09057-013
Figure 15. Peak-to-Peak Output Voltage vs. Frequency,
LVPECL and LVDS (100 Ω Load)
42
51
50
49
48
47
46
45
44
43
0 600500400300200100
DUTY CYCLE (%)
FREQUENCY (MHz)
10pF
20pF
5pF
09057-014
Figure 16. Duty Cycle vs. Output Frequency, CMOS
50
51
52
53
54
55
56
57
58
59
60
0 900800700600500400300200100
DUTY CYCLE (%)
FREQUENCY (MHz)
LVPECL
LVDS
09057-015
Figure 17. Duty Cycle vs. Output Frequency,
LVPECL and LVDS (100 Ω Load)
2
200mV/DIV 500ps/DIV
09057-016
Figure 18. Typical Output Waveform, LVPECL (800 MHz)
2
125mV/DIV 500ps/DIV
09057-017
Figure 19. Typical Output Waveform, LVDS
(800 MHz, 3.5 mA Drive Current)
2
500mV/DIV 1.25ns/DIV
09057-018
Figure 20. Typical Output Waveform, CMOS
(250 MHz, 10 pF Load)
