Model 8904A Performance Tests
Reference Synthesizer
Frequency (Hz)
1
000
000
500
000
200
000
10
000
1
000
output
2
Misalignment Limits (deg)
Multifunction Synthesizer
Frequency (Hz)
Actual Upper
Lower
100
000
-0.05
0.05
50
000
-
0.05
0.05
20 000
-0.05
0.05
1
000
-0.05
0.05
100
-0.05 0.05
6.
Set up the equipment
as
in step
1
except connect the Multifunction Synthesizer
OUTPUTS
2
7.
On
the Multifunction Synthesizer, press
SHIFT PRESET.
After the instrument presets, key in
HIGH
output to the oscilloscope’s dc coupled,
X
input. Refer to Figure
4-3.
fl
(Channel
Config.
1
NEXT NEXT
SHIFT FLOAT
2
OFF
FREQ
100
kHz
AMPTD
1
V
PHASE
INCR
SET
18
deg
8.
Set the reference synthesizer’s frequency to exactly
1
MHz. (The amplitude remains at
0.7
Vrms.)
9.
Set the frequency of the
two
synthesizers as indicated in the following table (as was done in step
a.
Adjust the phase of the reference synthesizer until the “front” and “back” traces
of
the
Lissajous pattern coincide.
b. On the Multifunction Synthesizer, press
PHASE,
then press the
0
key
19
times and observe
’
the alignment
of
the waves of the resulting Lissajoiis pattern each time. The worst-case
misalignment should be within the limits indicated in the table.
5).
For
each setting perform the following steps.
NOTE
Refer to the note following step
5b.
Performance Test
7
4-25
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
To Next Page
