GW Instek GSP-930 User Manual - Manual (Page 145)

ADVANCED OPERATION
143
CH BW
40MHz
Unit: MHz Rel [2] RBW
19 ≤A<21 0~-20dBc 100kHz
21≤B<40 -20~-28dBc 100kHz
40≤C<60 -28~-45dBc 100kHz
60≤D<f -45dBc 100kHz
*reference: IEEE Std 802.1n-2009
802.16* The channel span:
CH BW 20MHz: 19MHz
CH BW 10MHz: 9.5MHz
Note: A, B, C, D denote offsets 1 to 4, respectively.
Here the default value of “f” is 16.75MHz(CHBW
20MHz) or 31.5MHz(CHBW 10MHz). This can be
user-defined.
CH BW
20MHz
Unit: MHz Rel [2] RBW
9.5 ≤A<10.9 0~-25dBc 100kHz
10.9≤B<19.5 -25~-32dBc 100kHz
19.5≤C<29.5 -32~-50dBc 100kHz
29.5≤D<f -50dBc 100kHz
CH BW
10MHz
Unit: MHz Rel [2] RBW
4.75 ≤A<5.45 0~-25dBc 100kHz
5.45≤B<9.75 -25~-32dBc 100kHz
9.75≤C<14.75 -32~-50dBc 100kHz
14.75≤D<f -50dBc 100kHz
*reference: IEEE Std 802.16-2009
Note
[1] Abs: Absolute limit
[2] Rel: Relative limit(to the total power or the
power spectral density, depending on the
compliance of the main channel)
[3] Additional: Additional absolute limit
Pass Fail Criteria:
Case 1: When both Abs and Rel are used, the