Agilent Technologies 83620A - Low Power SRD Bias

11.
Lo
w
P
o
w
er
SRD
Bias
Description
and Procedure
The syn
thesizer is
set
to
10
GHz.
Then
the
A9
pulse
b
oard
MIN
adjustmen
t
sets
the
source
v
oltage
of
the
FET
for
the
prop
er
SRD bias
level.
1.
Connect
the
equipmen
t
as sho
wn in
Figure 3-21
.
Preset
all
instrumen
ts
and
let
them
w
arm
up
for
at
least
one
hour.
Figure
3-21.
Lo
w
P
o
w
er
SRD
Bias Adjustment
Setup
Equipment
D
VM
HP
3456A
2.
On
the
syn
thesizer
set:
4
CW
54
10
54
GHz
5 .
3.
Set
the
D
VM
to
measure
DC
v
olts.
4. Adjust A9R105 MIN (see Figure 3-22
)for
0 0.54
VDC.
3-84 Adjustments
LowPower SRD Bias
HP 8360
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