Model 0904A Performance Tests
Procedure
1.
Connect the
two
Multifunction Synthesizers and oscilloscope as noted in the following steps.
a.
All
phase reset cables,
all
clock cables, and all signal cables must be the same length.
b. The Multifunction Synthesizer under
test
is the master; therefore, its rear-panel
SYNC
CLOCK OUTPUT
goes
to
the input of the Clock Splitter and
its
@
RESET OUTPUT
goes to
the input of the Phase Reset Splitter.
c.
Connect the
OUTPUTS 1 HIGH
output for both Multifunction Synthesizers together with
a
tee, and connect the tee
to
the oscilloscope’s input. Switch the oscilloscope input to
50R
or connect a
500
load
at
the input using a second tee.
Refer
also
to
Figure 4-6.
NOTE
If either Multifunction Synthesizer
has
Option
006
in combination with
Option
002
and
005,
set the destination
of
Channel
A
to Output
2
and
make
the test on Output
2
(which
should
not be floating).
2.
On the Multifunction Synthesizer under test, press
SHIFT PRESET.
After the instrument presets,
key in
SHIFT SPECIAL
7
ENTER
f2
(Status)
ON
LAST
f2
(Status) ON
f4
fl
(Channel Config.)
NEXT
SHIFT FLOAT 1 OFF
FREQ 10 kHz
AMPTD
1
V
INCR SET
.5
mV
PHASE 180 deg
INCR SET .1 deg
3.
On the reference Multifunction Synthesizer, press
SHIFT
PRESET.
After the instrument presets,
key in
SHIFT
SPECIAL
6
ENTER
f2 (Status) ON
f4
fl
(Channel Config.
NEXT
SHIFT FLOAT 1 OFF
FREQ 10 kHz
AMPTD
1
V
4. On the Multifunction Synthesizer under test, key in
SHIFT
@
RESET.
Adjust the oscilloscope
vertical gain and sweep speed
to
view the nearly nulled
10
kHz
outputs from the Multifunction
Synthesizers.
5.
On the Multifunction Synthesizer under test, press
AMPTD
then press the
0
or
U
keys, if
necessary, to minimize the
10
kHz
signal on the oscilloscope.
Performance Test
11
4-35
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