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Maintenance
_
494A/494Ap
Service
Vot.
1
Tabte
6-g
EOUIPMET.IT
REOUTRED
FOR
CALTBRATING
THE
16-20]VtHz
pHASE
LOCK
C|RCU|T
Tesl
fqulprng6l
Characteristlcs
Recommended
Type
utgtrat
v9tlmeter
Frequency
Counter
Time-Mark
Generator
Measures
to within
0.Ol
V,
impedance
>1Mo
TEKTRONTX
TM
S00-series
DM
501A,
DM
502A, or
DM
SO10
Frequency
to
g0
MHz
TEKTRONIX
TM
SO0-Series
DC
503A,
DC
508A,
DC
509
y1ll9l
output,
1
s
to 1
ps;
accuracy
0.001o/"
TEKTRONIX
TG
501
servtce
Kit
Extend€r
Board
Tektronix
Part No.
622-0g65-00
CENTER
FREOUENCY
CONTROL
SOARD
Oil
EXTENDER
DIGITAL
VOLT
METER
TITE
OIGITAL
TARX
COI'NTER
GENERATOR
SPECTRUil
ANALYZER
Flgure
6-23.
2182
MHr
2nd
LO
phase
Lock
adiu3tment
setup.