Tektronix 475A - Measurements; Phase Difference; High-Resolution Phase Difference

CHANNEL 1 CHANNEL 2
NC {LAGGING)
MEASURE
ATOB
465/DM-0-15
Fig. 21. Phase difference.
Using the formula:
horizontal
Phase | sweep rate
. =: difference X
Difference Baty, (degrees/div)
divisions
Substituting the given values:
Phase Difference = 0.6 X 45° = 27°.
TIME FROM $
HIGH RESOLUTION PHASE
DIFFERENCE MEASUREMENTS
Make more accurate phase measurements by in-
creasing the sweep rate (without changing the A VAR
TIME/DIV control) by using the X10 MAG mode. Delayed
sweep magnification may also be used (see Fig. 22).
CHANNEL 1
(REFERENCE)
CHANNEL
2
MEASURE
TIME FROM
+
Bi
+
i
ki
$
i
+
t
4
i
HORIZONTAL
PT DIFFERENCE Ti
465/DM-0-16
Fig. 22. High-resolution phase difference.
@
475A/DM44
Operators
43