4.40
1.975
1.25
4.850
1.525
0.525
10.0
5.6
1.025
1.00
0.975
0.075
0.90
100% TIME
INTERVAL
40 0.7
0.50
0.10
0.725
0.725
0% TIME
INTERVAL
0.025
0.0
-0.025
-0.05
0.075
1.525
5.6
1.975
4.40
0.525
10.0
4.850
80 500 ppm
TIME - ns
THE HFBR-5803 OUTPUT OPTICAL PULSE SHAPE SHALL FIT WITHIN THE BOUNDARIES OF THE
PULSE ENVELOPE FOR RISE AND FALL TIME MEASUREMENTS.
Figure 10. Output Optical Pulse Envelope.
5
4
3
2.5 x 10-10 BER
2
1.0 x 10-12 BER
1
0
-4
-3
-2
-1
0
1
2
3
4
EYE SAMPLING TIME POSITION (ns)
CONDITIONS:
1.TA = +25°C
2. VCC = 3.3 V to 5 V dc
3. INPUT OPTICAL RISE/FALL TIMES = 1.0/2.1 ns.
4. INPUT OPTICAL POWER IS NORMALIZED TO
CENTER OF DATA SYMBOL.
5. NOTE 19 AND 20 APPLY.
Figure 11. Relative Input Optical Power vs.
Eye Sampling Time Position.
10