HOW
TO USE THE PHASE LOCK MODES
IIT£RIAL
PHASE
lOCK
o
@ @
@
Trigger from Channel 2 ff An X N.
Trigger from Clulnnel 1 If An + N.
EXmtIAI.
PHASE
LOCI
o
©
SUfI
by
ActiN
PRESET Presets
the
3314A
to II common startlng point.
2
q.
ThIs key toggles
the
mode
between
FIn X N lind FIn + N.
Whlle
the
light
Is flashing,
LCK the
33
14A
Is measuring
the
fr&qullncy of the reference slgnal, setting
the
3314A
's
output
frequency to lin approximation
thllt
will be within
the
capture renge of the
phase locked
loop
and then phalle loeka to the reference. The
3314A
hall acquired
lock
when
the
light
III on continuously. When EXT Trigger III selected, the
3314A
phese-Iocb
to
lin
external signal you apply to
the
Trigger
Input
.
3
N
Use the
Modify
knob to change
the
ratio of
output
frequency to reference frequency.
Note
that
the
3314A
has to reacquire lock every time N changes.
4 PHASE
Ulle
the
Modify
knob to change
the
phaSII
relationship
between
the reference and
output
signal. 10 of phase refers
to
t 0 of
the
lower frequency signal {either
reference or
oetput)
,
5 SWfTR This parameter
sets
the period of the INTVL • reference· signa l when INT Trigger is
INTVL
selected.
17