Figure 5. 5 MBd propagation delay test circuit
Figure 6. Propagation delay test waveforms
500
70°C
HFBR-15X2/25X2
400
HFBR-15X4/25X4
25°C
0°C
300
200
100
HFBR-15X1/25X1 70°C
25°C
0°C
0
-25 -20
-15
-10
-5
0
PR – INPUT OPTICAL POWER – dBm
Figure 7. Typical link pulse width distortion vs. optical power
6
500
400
HFBR-15X2/25X2
HFBR-15X4/25X4
300
tpLH
200
HFBR-15X1/25X1
tpLH
100
tpHL
0
-25 -20
-15
-10
-5
0
PR – INPUT OPTICAL POWER – dBm
Figure 8. Typical link propagation delay vs. optical power