Atek HP 8753D, User Manual, Page: 296 / 677

Figure 6-11. Log Magnitude F ormat
Phase F ormat
The
NNNNNNNNNNNNNNNNN
PHASE softkey displays a Cartesian format of the phase portion of the data, measured
in degrees . This format displays the phase shift versus frequency . Figure 6-12 illustrates the
phase response of the same lter in a phase-only format.
Figure 6-12. Phase F ormat
Group Delay F ormat
The
NNNNNNNNNNNNNNNNN
DELAY softkey selects the group delay format, with marker values given in seconds .
Figure 6-13 shows the bandpass lter response formatted as group delay . Group delay
principles are described in the next few pages .
6-30 Application and Operation Concepts