Agilent Technologies 83640B - Page 262

1.
Connect the
equipment
as sho
wn in
Figure 3-1
. Preset
all
instrumen
ts
and
let
them
w
arm
up for
one hour.
Figure
3-1.
10
MHz
Standard
Adjustment
Setup
Equipment
Digitizing
Oscilloscop
e
HP/Agilen
t
54111D
F
requency Standard
HP/Agilen
t
5061A
Note
If
the oscilloscop
e
do
es
not
ha
v
e
a
50

input
imp
edance,
connect
c
hannel
1
through
a
50

feedthrough.
2.
On
the
oscilloscop
e,
set:
Channel
1:
Display
On
Volts/Division
200
mV
Input
Coupling
dc
Input
Impedance 50

Channel
2:
Display
Off
Timebase:
Time/Division 10 ns
Trigger External
Trigger:
Trigger Mode
Edge
Trigger Source Trig 3
Input Coupling
ac
Display:
Display Mode Real Time
3. On the oscilloscop e, adjust the trigger level so that the sweep is synchronized to the
synthesizer's internal standard. The waveform will app ear to drift.
Agilent 8360 Adjustments
10 MHz Standard
3-5