5 ) I f phase d i f f e r e n c e I s n e g l i g i b l e and the h o r i z o n t a l d i s t a n c e i s s h o r t , p r e s s the x 1 0
MAG s w i t c h i n t h i s c o n d i t i o n .
W i t h t h e x 10 MAG s w i t c h p r e s s e d , t h e phase d i f f e r e n c e i s 4.5 d e g r e e s f o r e v e r y
d i v i s i o n .
• Cursor measurement [CS-5230, 5260, 5270]
(1) C a r r y out step 1 of o b s e r v a t i o n w i t h the s c a l e on t h e CRT.
(2) A d j u s t t h e SWEEP TIME/DIV nad H. VARI c o n t r o l s so t h a t one p e r i o d of the waveform i s
5 d i v .
(3)
P r e s s t h e CURSOR MODE s w i t c h t o s e l e c t t h e time and f r e q u e n c y mode. A l i g n t h e
A R E F c u r s o r and A c u r s o r t o t h e c o r r e s p o n d i n g p o i n t s o f two w a v e f o r m s . Read
the measurement.
F i g u r e
2 0 - 2
Measuring Phase Difference (Cursor measurement)
47
1 cycle
Reference signal
Comparison
signal
Phase difference
Figure
20-1
Measuring Phase Difference
Measured value
REF
cursor
cursor