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HP 8340b Operating Instructions

HP 8340b
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Sweep
and
Trigger
Keys
DESCRIPTION
Continuous,
single,
or
manual
sweeps
and
internal,
external
or
power
line
triggering
are
controlled
by
these
keys.
Additionally,
display
blanking,
penlift,
and
three
diagnostic
functions
are
enabled
by
adding
the
SHIFT
prefix
to
these
keys.
PANEL
LAYOUT
FUNCTIONS
[CONT]
(HP-IB:
SI)
allows
continuous
sweep-retrace-sweep-retrace
cycling
of
the
HP
8340B/41B.
The
sweep
is
initiated
by
one
of
the
TRIGGER
functions,
as
explained
later
in
this
Figure,
while
the
sweep
speed
is
controlled
by
the
[SWEEP
TIME]
function
as
explained
in
Figure
3-7.
[SHIFT]
[CONT]
(HP-IB:
SHS11
disables
displays,
SHS10
re-enables
displays)
blanks
(turns
off)
all
diplays
on
the
HP
8340B/41B.
Although
the
displays
are
blanked,
the
functions
that
are
normally
shown
in
the
displays
can
still
be
changed
in
the
usual
manner,
and
the
changed
values
will
be
shown
when
the
displays
are
reactivated.
The
displays
are
reactivated
in
one
of
two
ways:
Press
[SHIFT]
[CONT]
again
to
restore
the
displays.
[SINGLE]
(HP-IB:
S2)
allows
single
sweeps
of
the
HP
8340B/41B.
Press
[SINGLE]
to
start
the
sweep,
which
will
sweep
at
a
rate
determined
by
the
[SWEEP
TIME]
function
(explained
in
Figure
3-7).
If
[SINGLE]
is
pressed
in
the
middle
of
a
single
sweep,
the
sweep
will
abruptly
stop
and
the
HP
8340B/41B
will
retrace
back
to
the
starting
point.
[SHIFT]
[SINGLE]
has
no
effect
on
the
HP
8340B/41B.
[MANUAL]
(HP-IB:
S3)
allows
manual
sweeps.
Press
[MANUAL],
then
use
the
rotary
[KNOB]
to
manually
sweep
between
the
start/stop
limits.
In
manual
mode
the
HP
8340B/41B
will
not
automati¬
cally
retrace
at
the
sweep
end
point
(the
operator
must
retrace),
and
the
green
LED
by
the
SWEEP
label
will
not
light.
The
resolution
of
the
[KNOB]
is
0.1%
of
the
sweep
span
in
either
start/stop
or
CF/AF
mode.
Frequencies
in
manual
sweep
are
synthesized
just
as
they
are
in
CW
mode.
Figure
3-11.
Sweep
and
Trigger
Kegs
(1
of
3)
3-28
Operating
Information
HP
8340B/41B

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HP 8340b Specifications

General IconGeneral
BrandHP
Model8340b
CategoryInverter
LanguageEnglish

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