D
without
attenuator
with
attenuator
8167A
-5dBm
-6.5dBm
8168D
-5dBm
n/a
8168E
-1dBm
-2.5dBm
8168F
+1dBm
0.0dBm
c.
Make
sure
the
optical
output
is
inactive
.
3.
Set
the
P
ower
Meter
a.
Zero
the
8153A
b.
Select
A
uto
Range
c.
Select
averaging
time
500ms
d.
Select
display
in
dB
e.
Set
the
wavelength
to
HP
8167A
1310nm
HP
8168D
,E,F
1540nm
4.
A
ctivate
the
optical
output.
5.
Measure
the
output
power
with
the
P
ower
Meter
6.
Press
4
DISP->REF
5
7.
Change
the
power
setting
on
the
TLS
to
the
next
value
listed
in
the
test
report
and
measure
the
power
again.
Note
the
displayed
value
on
the
P
ower
Meter
as
\Relative
P
ower
of
actual
setting".
8.
Calculate
the
\P
ower
Linearity
at
current
setting"
as
\Relative
P
ower
of
current
setting"
+
\P
ower
Reduction
from
start
condition"
9.
Repeat
list
item
7
to
list
item
8
for
all
power
levels
listed
the
test
report.
10.
Check
the
calculated
values
of
the
P
ower
Linearity
of
the
various
settings
for
the
maximum
and
minimum
values
and
note
these
in
the
test
report.
11.
Calculate
the
dierence
for
the
maximum
and
minimum
values
of
the
P
ower
Linearity
of
the
various
settings
as
Final
P
ower
Linearity
D-12
P
erformance
T
ests
Содержание 8167A
Страница 2: ......
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Страница 164: ...D Figure D 1 Test Setup for the Wavelength Tests D 4 Performance Tests ...
Страница 168: ...D Figure D 2 Test Setup for the Maximum Output Power Test except HP 8168F D 8 Performance Tests ...
Страница 177: ...D Figure D 5 Test Setup for the Source Spontaneous Emission Test Performance Tests D 17 ...
Страница 240: ......