Datasheet

ADN2871
Rev. A | Page 8 of 20
OPTICAL WAVEFORMS
V
CC
= 3.3 V and T
A
= 25°C, unless otherwise noted. Note: No change to PAVCAP and ERCAP values.
MULTIRATE PERFORMANCE USING LOW COST
FABRY PEROT TOSA NEC NX7315UA
(ACQ LIMIT TEST) WAVEFORMS 1000
05228-006
Figure 7. Optical Eye 2.488 Gbps, 65 ps/DIV, PRBS 2
31-1
P
AV
= −4.5 dBm, ER = 9 dB, Mask Margin 25%
(ACQ LIMIT TEST) WAVEFORMS 1000
05228-007
Figure 8. Optical Eye 622 Mbps, 264 ps/DIV, PRBS 2
31-1
P
AV
= −4.5 dBm, ER = 9 dB, Mask Margin 50%
(ACQ LIMIT TEST) WAVEFORMS 1000
05228-008
Figure 9. Optical Eye 155 Mbps,1.078 ns/DIV, PRBS 2
31-1
P
AV
= −4.5 dBm, ER = 9 dB, Mask Margin 50%
PERFORMANCE OVER TEMPERATURE USING DFB
TOSA SUMITOMO SLT2486
(ACQ LIMIT TEST) WAVEFORMS 1001
05228-038
Figure 10. Optical Eye 2.488 Gbps, 65 ps/DIV, PRBS 2
31-1
P
AV
= 0 dBm, ER = 9 dB, Mask Margin 22%, T
A
= 25°C
(ACQ LIMIT TEST) WAVEFORMS 1001
05228-039
Figure 11. Optical Eye 2.488 Gbps, 65 ps/DIV, PRBS 2
31-1
P
AV
= −0.2 dBm, ER = 8.96 dB, Mask Margin 21%, T
A
= 85°C