Model
83522A
Operation
DETAIL A
k
Figure
3-6.
External Crystal Detector Leveling
(2
of
2)
NOTE
Between
10
MHz
and
50
MHz
RF
feedthrough as high as
3
dB may be
observed on the envelope
9f
the video output. During external leveling at
10
to
50
MHz,
the
RF
feedthrough may be damped out by insertion of the
circuit shown below in the test setup. The circuit may be inserted in the
line to the EXT INPUT of the
RF
Plug-in.
BNC
(M)
TO
DUAL BANANA POST
HP 101
10A
TO EXT
MTRlALC
INPUT
SEE DETAIL A
TO CRYSTAL
DETECTOR
2.
Switch on
8350A
LINE switch. Press
WSTR:PWSET
key. The START and STOP
indicators should be on.
3.
Set controls as follows:
83522A:
ALC MODE..
.
. .
.
.
.
. .
. . .
. . . .
. . . . .
. .
.
.
. .
. . . .
.
. .
.
.
.
.
.
. . . . .
. . . . .
. .
.
.
. . .
.
.
. EXT
4.
Adjust EXTIMTR ALC CAL for a power meter reading equal to the front panel output
power.
5.
To use leveled
RF
power output for testing external equipment, make connection at point
marked "Leveled Power Output".
*
To Next Page
Loading...
