Agilent Technologies 83650B Service Guide

PERF
ORMANCE TESTS
1.
Internal
Timebase:
Aging Rate
Description
and
Procedure
This
pro
cedure
c
hec
ks
the
accuracy
of the
internal
timebase. The
time required
for
a
sp
ecic
phase
change
is measured
both
b
efore
and
after
a
sp
ecied
w
aiting
p
erio
d.
The
aging
rate
is
in
v
ersely
prop
ortional
to
the
absolute
v
alue
of
the
dierence
in
the
measured
times.
The
o
v
erall
accuracy
of
the
in
ternal
timebase
is
a
function
of:
TBC
6
AR
6
TE
6
LE
where:
TBC
=
timebase
calibration
TE
=
temperature
effects
AR
= aging
rate
LE
=
line
effects
After
the
timebase
is
adjusted,
the
timebase
frequency
should sta
y within
the
aging
rate
if
the
follo
wing
things
happ
en:
The
timebase
o
v
en
do
es
not
co
ol
do
wn.
The
instrumen
t
k
eeps
the
same
orien
tation
with
resp
ect
to
the
earth's
magnetic
eld.
The
instrumen
t
sta
ys
at
the
same altitude.
The
instrumen
t
do
es
not
receiv
e
an
y
mec
hanical
sho
c
k.
If
the
timebase
o
v
en
co
ols
(the
instrumen
t
is
disconnected from
AC
p
o
w
er),
y
ou
ma
y
ha
v
e
to
readjust
the
timebase
frequency
after
a
new
w
arm
up
cycle.
T
ypically
,
ho
w
ev
er, the
timebase
frequency
returns to
within 6
1Hz
of
the
original
frequency
.
Note
The
in
ternal
timebase
can
b
e
tested
after
reconnecting
A
C
p
o
w
er
for 10
minutes,
but for
best
accuracy
,
test
again
after
the
instrumen
t
has
b
een
on
or
in
standb
y
condition for
24 hours.
Agilent 8360 Performance Tests
Internal Timebase: Aging Rate
2-7

Agilent Technologies 83650B Specifications

General

Brand	Agilent Technologies
Model	83650B
Category	Portable Generator
Language	English