Agilent Technologies B User Manual

Page of 108
Replaceable
parts
Example
of
optimizing
laser
extinction
ratio
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3-11
W
aveform
T
est
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3-13
Example
of
measuring
ey
e
diagram
using
reco
v
ered
clo
c
k
signal
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3-13
4.
Servicing
the
Agilent
83446A/B
General
information
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4-3
T
roublesho oting
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4-5
Adjustmen
t
Pro
cedures
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4-8
P
o
w
er
supply
adjustmen
t
pro cedure
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4-8
Photo
detector/clo
c
k/data
reco
v
ery
assem
bly
adjustmen
t
pro cedure
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4-10
P
erformance
T
ests
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4-11
T
est
1.
Sensitivit y
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4-15
T
est
2.
Maximum
op erating
input
p o
w
er
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4-20
T
est
3.
Electrical
output
signal
amplitudes
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4-21
T
est
4.
Rear-panel
input
p ort
v
eri cation
(functional
c
hec
k
only)
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4-23
T
est
5.
Input
optical
return
loss
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4-24
Replacemen
t
Pro
cedures
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4-26
Replacing
the
RF
cable
or
the
RF
connector
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4-27
Replacing
the
ac
cable
assem
bly
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4-28
Replacing
the
p o
w
er
supply
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4-30
Replacing
the
PCDR
assem
bly
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4-31
Replaceable
parts
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4-32
Index
Contents-2