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Frequency S11 S21 S12 S22
Data Line Examples:
Frequency S11 (magnitude) S11 (angle)
0.040000000 1.426492E-04 18.642
0.139900000 2.840961E-03 22.262
Finally, the comment lines begin with an exclamation point“!.”They
can be inserted at any point in an S2P file and are ignored by the ap
-
plication program. An S2P file example appears in Figure 8-41 below.
OPTICAL APPLICATION MEASUREMENTS
8-76 37xxxE OM
! Anritsu Company
! DATE 04/11/2002 13:16 PAGE 1
! Photo-diode receiver characterization – NRZ-40G
# GHz S MA R 50.00
!FREQ S11M S11A S21M S21A S12M S12A S22M S22A
0.040000000 1.426492E-04 18.642 3.008963E-04 87.040 1.618370E-04 27.317 2.708149E-04 129.056
0.139900000 2.840961E-03 22.262 6.185992E-03 -114.026 2.539190E-03 125.940 5.977178E-03 -7.691
0.239800000 3.072268E-03 97.851 7.423908E-03 109.019 3.147963E-03 -88.205 7.634960E-03 -75.071
0.339700000 1.887820E-02 81.836 3.814256E-02 -135.753 1.632677E-02 -27.669 3.348942E-02 117.818
0.439600000 2.173782E-02 142.412 4.595363E-02 72.973 1.962434E-02 107.429 3.946349E-02 40.979
0.539500000 2.634556E-02 -62.971 5.206176E-02 31.589 2.257828E-02 -22.787 4.638838E-02 70.663
0.639400000 3.060178E-02 -103.325 6.416773E-02 120.463 2.732290E-02 5.656 5.685493E-02 -124.645
Figure 8-41. S2P File Example