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On HP 83500 series plug-ins press
[ew FILTERJ.
On
HP
86200 series
plug-ins,
set
the
rear
panel
FM
/ NORM/
PL
switch
t
o
PL
(phase
lock
)
.
"Err
05"
will
be
displayed
on
the HP 534411
i f you
try to lock the
source while the CW filter is
o
n.
7.
Press
[MANUAL LOCKJ
to
lock
the
source.
The sweeper
should lock
since
the CW frequency entered on
the
HP
8350B is
the
same as
the
CW
frequency
entered
on the
HP
53445.
When
the
signal
is
locked,
the
"LOCKED" annunciator
should light
on
the HP
5344A and
the
counter will
display the CW frequency
.
The
HP 8756A
cursor
function
can be used
to
display
the
magnitude
at
the
signal
frequency.
The
HP
875611
will
display the
frequency of the sweeper setting if
the
8756
System Interface is connected
.
The actual
frequency should be
read
from the counter
display
.
If the
frequency is
changed on
the
HP
5344~
that change
will appear
at the RF
output
and
on
the
counter
I
s
display.
It
will
not update the HP 8350B display
or
the HP
8756A frequency
annotation.
On the other
hand, adjusting the
sweepe
r
frequency will
change
the
frequency
display
on
the
sweeper
and on the
HP
875611,
but will not change the
actual
frequency
from
the plug-in
.
Any
frequency changes should
be
made on
the HP
534411
,
and the
frequency
should be
rea~
off
the
counter
display
.
When
the
HP 534411
loses lock, the source
must
be readjusted
.
LOCKED SWEEPS
Locked sweeps up to
40 MHz
wide can be
made
in the CF
/
L:> F
mode or in
the
STRT/
STOP
mode
.
The HP 83508 must be set for regular
CW mode,
not swept
CW
o
The
display signals
for
the HP 875611 are generated by
the HP
53445, and the sweep time
will
be controlled
by the HP 5344A.
The
example
in
this section
is a
40 MHz wide
sweep centered at 2
.
02 GHz
(from 2
.
00 to 2
.
04 GHz)
with a
sweep time of
200
ms.
Both CF
/
L:>
F
and STRT/STOP modes are
descr
ibed
.
CF/AF
1. IJse the HP 534411
[MODEJ
key to scroll
to CF
/
L:>
F mod e .
2. Set the desired center frequency
on
the
HP
534411.
This
is
the
Fl
function
in
this
mode.
Press
[FIJ
[
2J
[.J
[0)
[2J
[GRzJ.
3
.
Now
set the rlesired frequency span,
L:>F,
on the
HP
534411
.
This is the F2
function in this
mode.
Press [F2]
[4J
[OJ
[MHzJ
4. Set the sweep
time
on
the
This
must
be at least 100
[SWP
TIMEJ
[2J
[OJ
[OJ
HP 534411.
ms. Press
[msJ.
5
5.
On the HP 8350B, set the desired
CW
frequency
to
the
center
of
the
sweep
.
Use
regular
CWo
Press
[ewJ
[2J
[.
J [OJ
[2)
[GRzJ.
Note that in regular CW mode
the
right
-
hand frequency display of the
HP 8350B is off
.
In swept cw mode,
it displays zeroes
.
6. Set
the HP
8350B SWEEP TRIGGER to
internal by
pressing
the
[INTJ
key.
The
[INTJ
key should be lit.
7. Disable the RFplug-in's CW filter.
On
HP
83500 series plug-ins press
[ew FILTERJ.
On
HP 86200
ser
ies
plug-ins,
set
the
rear
panel
FM
/
NORM
/
PL
switch
to
PL
(phase
lock).
"Err
05"
will
be displayed
on
the HP
534411
i f
you
try to
lock
the
source
while
the CW filter is on.
8.
Press
[MANUAL LOCK].
The
"LOCKED"
light will
appear on the right, and
the
counter
will
display the
center
frequency.
STRT/
STOP
STRT/STOP
mode
is
very
simi lar
to
CF/
6.F,
but instead
of ente
r
i
ng
a center
frequency and a frequency
span
,
you enter the
start a
nd
stop
frequencies.
1. Use
the HP
534411
[MODE)
key to scroll
to
STRT/
STOP
mode
.
2. Set the desired
start frequency.
Thi
s
is
the Pl
function
in this mode
.
Press
[FIJ
[2)
[GBzJ.
3
.
Now
set the desired stop
frequency.
This
is
the F2
function in this
mode.
P
re
ss
[F2J
[2J
[.J
[OJ
[4J
[GHzJ.
4
.
Set
the
s weep time on the HP 534411
.
This
must
be at least
100 ms.
Press
[SWP TIME)
[2)
[OJ
[OJ
[ms)
.
5. On the
HP
8350B
,
set the desired CW
frequency
to
the
center
of
the
sweep,
not
to
the start frequency
.
Use
r
egular CW.
Press
[ewJ [2) [.)
[0)
[2J
[GHzJ
.
Note that in
regular
CW, the center
f
r
equency display of the
HP
8350B is
off
.
In
s wept
CW,
it
displays
zeroes
.
6
.
Set the
HP
8350B SWEEP TRIGGER to
internal
by pressing the
[INTJ
key.
The
[INT)
key should be lit.
7
.
Disable the RF plug-in
I
5
CW filter.
On
HP
83500 series
plug-ins
press
[ew FILTERJ
.
On HP 86200 series
plug
-
ins,
set
the
rear
panel
FM
/
NORM
/PL
switch
to
PL
(phase
lock)
.
"Err
05" will be displayed
on the
HP
534411 i f you try to lock the
source
wh
ile the CW
filter is
on
.
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