Agilent Technologies 83650B Service Guide

6.
Calculate
the
aging
rate
as
follo
ws:
Aging
Rate
=
(1
cycle/10
MHz)
(1/T1
0
1/T3)
(24
hours/T2)
Example:
T1
=
351
seconds
T2
=3
hours
T3 =
349 seconds
=
(1
cycle/10
MHz)
(1/351s
0
1/349s)
(24h/3h)
= 1.306x10
0
11
per day
7.
Enter
the aging
rate on
the test
record.
Note
If the
absolute frequency
of
the
standard
and
of
the
timebase
oscillator
are
extremely
close,
y
ou
can
reduce
the
measuremen
t
time
(T1
and
T3) b
y
measuring
the
time
required
for
aphase
change
of less
than
360

.
In
step
6,
change
1
cycle
to
0.5
cycle
for
180

,or
0.25
cycle
for
90

.
Related
Adjustments
10 MHz
Standard
In
Case
of
Difficulty
1. Ensure
that the
instrumen
ts
ha
v
e
w
armed
up
long
enough
and
that
en
vironmen
tal
conditions
ha
v
e
not
c
hanged
throughout the
test.
2.
If
the
frequency
standard
and
the
in
ternal
standard
are
v
ery
dieren
t
in
frequency,
the
time
required
for
a
360

phase
shift
is
to
o
short
for
an
accurate
measuremen
t.
If
the
360

phase
shift
tak
es
less
than
t
wo
min
utes,
p
erform
the
\10
MHz
Standard"
adjustmen
t.
3.
Refer
to
the
A
gilent
T
e
chnolo
gies
8360
B-Series
Swept
Signal
Generator/
8360
L-Series
Swept
CW
Gener
ator
T
r
oublesho
oting
Guide
.
2-10 Performance Tests
Internal Timebase: Aging Rate
Agilent 8360

Agilent Technologies 83650B Specifications

General

Brand	Agilent Technologies
Model	83650B
Category	Portable Generator
Language	English