HA7062D Manual Rev 1.01
www.holzworth.com
Page 39 of 105
Phase Shifters:
This setting applies to additive phase noise measurements only. Users must
use the drop down menu to select the type of phase shifters in use.
Holzworth HX5100 Electronic Phase Shifters allow for completely automated additive
measurements. HX5100 Phase Shifters are available for measurements
≤
6GHz
. Mechanical
type phase shifters may also be used.
o
HX5100:
Select this option if Holzworth HX5100 phase shifters are in use. Additionally, a
calibration file must be loaded to ensure accurate auto calculation of
Kd
. The HX5100
calibration tables are included on the Holzworth USB drive that shipped with the
HA7062D/HX5100's. To load HX5100 calibration tables, click
System
followed by
Load
HX5100 Calibration Files.
o
Mechanical:
Select if mechanical phase shifters are in use. Users must manually set
system quadrature by using the DC Monitor and tuning the phase shifters until as close
to 0V as possible is achieved.
o
Refer to the measurement examples section for more information on using each type of
phase shifter.