Agilent Technologies 83640B

2.
On
the
oscilloscop
e,
adjust
the
external
triggering
for
a displa
yof
the 10MHz
REF
OUTPUT
signal from
the syn
thesizer:
Channel 1:
Display
On
Volts/Division
120
mV
Input
Coupling
dc
Input
Impedance
50

Channel 2:
Display
Off
Timebase:
Time/Division
5
ns
Delay
0
s
Delay Reference
At
center
Sweep
Trig'd
Trigger:
Trigger
Mode
Edge
Trig
3
Level
100
mV
Trigger Src
Trig 3
Input
Impedance
50

Input
Coupling
dc
Display:
Display
Mode
Real
time
3.
Monitor
the
time
and
the
displa
y
.
Note
the
time
required for
a
360

phase
c
hange:
T1
=
(s)
4.
Wait
3to
24
hours.
Note
ho
w
long
y
ou
w
aited:
T2
=
(h)
5.
Rep
eat
step
3.
Record
the phase
change
time: T3
=
(s)
Agilent 8360 Performance Tests
Internal Timebase: Aging Rate
2-9