(2 ) A d ju st S T D A D J. o n th e re ar p an el so th e re a d o u t o f 1 0 .0 0 0 0 0 0 M H z is
o b ta in e d w h e n th e freq u en c y s ta n d a rd o u tp u t signal is 1 0 M H z.
T h e acc u ra cy o f th is ca lib ra tio n is o n th e o rd e r o f 1 x 10- 7 . W hen
G A T E T IM E is set to 10 S, a c alib ra tio n a cc u ra cy is raised to th e o rd e r o f
1 x 10 -8
6-3 -6. A u to m a tic T rigger
(T ) S e ttin g
A C -A U T O -D C : A U T O
S L O PE
:
+
SE N S.
: X 1
SE P/C O M
: COM
F IL T E R
: O F F
( 2 ) A p p ly th e signal w ith th e pulse g e n e ra to r o f pulse w id th o f 1 pis, d u ty
fa c to r o f 1 /1 0 , an d a m p litu d e o f + 2 0 0 m V p -p to IN PU T A te rm in a te d
w ith 5 0 12.
(
3
) S e t F U N C T IO N to F R E Q A , c o n n e c t th e d ig ita l v o ltm e te r to p in 2 o f
J2 2 o n th e d u m m y b o ard , a nd ro ta te R 72 to a dju st th e vo ltage to 100
m V . (S ee Fig ure 6 -2 .)
(
4
) S et F U N C T IO N to F R E Q . B, c o n n e c t th e d ig ita l v o ltm e te r to pin 3 o f
J2 2 o n th e d u m m y b o a rd , an d ro ta te R 7 7 to a dju st th e vo ltage to 100
m V . (S ee F igure 6-2 .)
Trigger Point
6-4
Fig. 6-2 Automatic trigger adjustment