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Philips PM 5135 Manuel D'utilisation page 25

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®
5
-
2
PERFORMANCE
TEST
PM
5135
-
Connect
scope
instead
of counter
-
Use stop watch for time
measurement
of
one
period
Generator settings:
Wave
Frequency
form
range
x0.01
rE:tJ
Frequency
setting
FREQUENCY I SWEEP
START
left stop
Output
voltage
AC
pp
DC
5V
0
v
*
For faster
measurement measure
only
half a
period
(2'. 8 min
20
s);
in this case take the tolerance of the duty cycle into
account.
5.3.1.2
Frequency Setting
Accuracy
Test
Coarse Setting
Test
equipment:
-
Frequency counter
Procedure:
-
Connect PM
5135 OUTPUT to counter
-
Set counter
to
5 s
gate time
for lower
frequencies
Generator
settings:
Wave
Frequency
form
range
'\,
x10k
rt:a
l11t1
'\,
x100
[Et}
[Et)
'\,
x1
rt:a
[E13
'\,
X0.01
rr::a
rr::a
Frequency
setting
FREQUENCY
I
SWEEP START
Output voltage
AC
pp
DC
appr. 5
V
ov
appr. 5
V
ov
appr. 5
V
ov
appr. 5
V
ov
Test result
*
requirement
~
16 min 40 s
Test
result
requirement
1.8
... 2.2
MHz
18
22
kH
z
180
...
220 Hz
1
.8 ...
2.2 Hz

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