THE
3314A
FRONT PANEL
Status
Q)
Store/Recall
Function
Internal
Trigger
0% to >
too%
0% to ± 1% deviation
+
10%
to -80%. uaeabla
to
-1
00
%
External
Modulation
CD
AM
±1V
-
100%
FM ± 1V - ± 1
'llo
of range
veo
10%Nolt
The SfIC
OUTPUT.
ThIs
output
has a
characteristic
outpUt
Im-
pedance
of
600
when
terminated
Into
:s
500.
When
terminated
Into
>
500.
It
will
deliver
TTL
compatible
levels
of
0 to
> 2.5V . The
maximum
unloaded voltage
Is
limited
to
- 3V.
The edges
of
the
sync
slgnlll
are
coincident
with
the
peaka of
the sk\e and triangle
funct
lOlll
lind
coincident
with
the
edges
of
the
square
function.
This relationship Is
inverted
by Function
Invert.
The
lUll
OIJTPUT
. ThIs
output
has a
charlleterlatlc
output
Im-
pedance
of
600
.
Although
operation I
nt
o
other
than
500
II
allowed, the actual AC amplitude and DC
offset
will
be dff-
ferent
from
the
displayed values and
the
quality
of
the
func-
tions
will
be degraded
at
higher frequencies due
to
transm
is-
sion
Rne
Impedance
mismatches
.
The
SWJTR
IITYl
parameter
sets the period
of
the
internal
trig-
ger (note
that
the
Trigger
va
port
Is an
output
when
tNT trig-
ger
Is selected) . This
output
signal Is
useful
as a
sync
signal
during
SWftllps
,
gate
and
burst
operstlone.
External
Trigger
One EXT
Trigger
Is e signa l you apply
to
the
Trigger
va
port
thet
88tlsities the selectable slope lind
threshold
conditlons
(note
that
the
Trigger Ifa
port
Is en
Input
when
EXT Trigger is
selectedl.
EXT
TrIggers ere level sensitive
for
Gate;
edge
sen-
sltlva
for Burst. Phese
Lock
and
Sweep
operations.
Up to 5. non-ARB
front
panel
control
sett
ings can be
stored
In
registers 1
through
5 to be recalled .In
the
future
. Reg/ster 0 is
reserved
for
the
front
panel
setting
at
power
off.
In
addit
ion. 6
ARB
waveforms
can
be
recalled
from
ARB registers 0 through
5. ARB
waveforms
are
automatically
stored
as
they
ere
created,
Another
EXT Trigger is the
MAN
key . You
will
have
to
press
this key
twice
when
In Gate
mode
, to
simulate
a
complete
trig-
ger
cycle
(both
levels/. Once is
sufficient
for
all
other
opera-
tions
. The
min
imum
signal
that
will
conslstently
trlggM
the
3314A
is
~
JOOmVp-p. centered on
the
selected
trigger
threshold
voltage.
Thera are
two
EXT Triggers available
from
the
HP-IB,
the
Group
Execute
Trigger (GET) and
the
•
MN'
programming
com-
mend
.
6
CD
FiI X •
...
The
3314A
win phase lock
to
the
Trigger
(reference) signal lind
output
a
trequancy
, N"
times
the
reference
frequency
. The N
parameter
sets '
N'
from
1
to
1999.
The
frequency
limits
for
both
the
3314A
and
the
reference are
from
60Hz
to
20MHz.
See
•
How
to Use
the
PHASE LOCK
Modes
w
•
Fill + •
.....
The
3314A
wlH phaee lock
to
the
Trigger
{r" -ence) signal and
output
a
frequency
equal
to
the
rt.
.
enca
frequency
divided by , W . The N
parameter
sets
,
N'
from
1
to
1999.
The
frequency
limits
for
both
the
3.
JA and
the
reference lire
from
60Hz
to
20MHz
. See
'huw
to Use the PHASE LOCK
Modes'
.
All
.....
The ARB
mode
redefines
the
3314A
as an
Arbitrary
Waveform
Generetor. The
output
waveform
consists
of
a
series of
voltage
ramps celled
vectors.
The
operator
hIlS con-
trol
over
the
number
of vectors,
the
18ngth
of
each
vector
In
time and
the
height
of
each
vector.
Both
continuoua
ARB
func-
tions
{FREE RUN
Model
and
gated
ARB (GATE Mode) ere
allowed.
See '
How
to Use the ARB
Mode'
.
The
3314A
has 7 basic operating
modes
. The trigger signal,
either
the
331
4A'
s internal trigger source or an external signal
you supply, is essential
to
every operating
mode
except
FREE
RUN w
ith
sweep
off.
FREE
lUI
.....
The
3314A
outputs
continuous
Sine, Square,
Triangle or ARB
functions
. Continuous
functions
,
sweeps
and
ARB operations are
allowed.
See '
How
to Use
the
FREE RUN
Mp<ie
w
•
!
GAtt
.....
The
output:
is W
gated'
ON and OFF by
the
Trigger
Ir '. Gated
functions,
sweaps
and ARB operations are
allow
-
e...
5ee'
How
to
Use
the
GA
TEo
Mode
W •
This group
contains
the HP-IB
status
indicators
and
the
LCL
key to
switch
control
of the
3314A
from
remote to
front
panel
operation.
When
the
LCL key is preceded by the BLUE
shift
key, the
3314A
displays
its
HP·IB address
for
1/2
second. The
HP-lB address is
set
from
the
front
panel and stored in non-
vola tile
memory
. The
factory
setting
Is 7. See W
How
to
Change the
3314A's
HP-IB
Addresa"
located
In
the
HP-IB sec-
tion
of this manual.
Mode
The Preset
key
Initializes the
3314A
to
its
basic operetlng
state.
This
feature
is esp&Clelly
useful
to
quickly
recover
from
complex
operating
states
.
Preset
I Cya.E
.....
The
3314A
outputs
a
burst
of N
complete
cycles
of the selected
function.
starting
when
a
Trigger
edge is
received. The N
parameter
sets the
number
of
cycles
from
1 to
1999
. The
start/stop
phase Is set
with
the Phase
parameter
from
·90 °
to
+
90
0
•
See'
How
to Use the N CYCLE
Moda
w
•
1/2
CYClE
ModI..
The
331
4A
outputs
alternate
1/2
cycles
of
the
selected
funtlon
when
a Trigger edge fs received. The
start
phase
of
the
first
1/2
cycle
(and
the
stop
phase
of
the
second
1/2
cycle) is
set
with
the
Phase
parameter
from
.90
0
to
+90°.
See
'How
to
Use
the
1/2
CYCLE
Mode
w
•
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