General Notes - Wavetek 130 Instruction Manual

SYNC
OUT
©
FUNCTION
SELECTOR
Figure 2-1
,
Operating Controls
FREQUENCY RANGE
POWER
SWITCH
20 V
P-P
MAX
CONTROL
@
FREQUENCY
DIAL
FREQUENCY
INDEX
(100:1).
For
maximum
output amplitude
this
vernier
must be
full
clockwise.
6.
50S2
out —
This connector provides the
se-
lected generator output function.
The
genera-
tor
may
operate
into
an open
circuit providing
20
V
peak-to-peak
maximum,
or into a 50^2
load providing
a
10
V
peak-to-peak output.
7.
SYNC OUT —
This
rear panel
output
provides
a
synchronizing wave output
at
the
same
fre-
quency
of the
main
generator.
The
output
amplitude
is
greater
than
1
V
p-p
into
open
circuit at
600^2 output
impedance.
GENERAL NOTES
One-half hour
warmup
is
required for
generator
to stabilize
at specified
ac-
curacies.
A
50-ohm
termination
results
in
10
1/
p-p
maximum
output
level.
Open
cir-
cuit
termination
gives
20
V
p-p.
Loads
between
these limits provide intermedi-
3ts
ntaX
frriurn
output
levels.
OPERATION
The Model
130 provides
a
fixed-frequency output
for
the
selected frequency, amplitude, and waveform.
The
output frequency
is
determined by the
FREQ
HZ
range selector and frequency
dial settings.
Output
amplitude
is
controlled with the
20
V
P-P
MAX
continuously-variable potentiometer, and
the wave-
form
is
selected
by the function
selector.
Operate
as
follows:
1.
Properly terminate the 50f2
OUT
connector.
A
50S2 termination
results
in
10
V
peak-to-peak
maximum
output
level,
and
optimum waveform
performance.
Open
circuit termination gives a
max-
imum
output of
20
V
peak-to-peak. Loads between
these
limits provide intermediate output
levels.
When
operating
into
other than
a
50O
load, slight
degradation of the
output
waveform may
be noted
particularly
at
higher frequencies.
2.
Select the desired
waveform
(
^\j
,
Tj
,
)
with the function
selector switch.
3.
Select the operating frequency by
setting the
fre-
quency
range selector to the proper
multiplier
and
adjusting the
frequency
dial
to the desired
setting.
4.
Adjust the output
level
voltage with the 20
V
p-p
max
control.
5. If
dc
offset
is
required, switch the rear panel
control
from
the detent position
and
rotate the
control until the required
amount
of positive or
negative offset
is
obtained. Note:
The
output
of
the generator
is
peak
iimited
and
it
is
possible
to obtain
distorted
waveforms by
an excessive
amount
of
signal
amplitude and dc
offset.
When
terminated
into
50fi the
maximum
output
is
10
V
peak-to-peak or
±5
V
about
signal
ground.
When
dc
offset
is
used, the
±5
V
cannot be exceeded
in
either direction by the
sum
of
dc
offset
and
signal
peak.
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