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fl
simultaneous
6000
ana
500
output
impedances
are
des»rea
*dc
FUNCTION
GENERATOR
OR
VOLTAGE SOURCE
(INITIALLY
OFF)
Figure
2*1.
First
Setup
Amplitude
is
normally
variable
over
30
dB
for
each
oulpul with a
50
dB
amplitude
range
available
by
utilizing
both outputs
1
Change
value
ol
Ri
48 Irom
4990
to
6040
2
Remove
Ri
49
The
result
is:
HI
10V
p-o
(500 source)
into
500
LO
10V
D-0
(6000
source)
into
6000
Amplitude
is
variable
over
30
dB
Square
wave
rise
and
tall
time
is
less
man
150 ns
Any
value
greater
than
6000
may
also
be
substituted
lor
the
value
of
R148
for
other output
impedances
To
increase
the
range
ot
the variable amplitude con-
tro*
In
a modified
unit
beyond
30
dB.
docroase
the
value
ot
R124
as
necessary
Wavetorm
quality
relative to
the
standard
unit
is
not
guaranteed below
-
30
dB
and above 20
kHz.
Table
2-1.
Initial
Checkout
Step
t
Control
POWER
Position/Operation
ON
Observation
1
10V square
wave on
CHI
and
*
IV
on
CH2
Return
to
CHI
only
2
Dial
Rotate
m
both
directions
Return
to
2
0.
Rotation
ccw
increases frequency
of
'L
;
rotation
cw
decreases frequency
3
FREQUENCY
MULTIPLIER
Press
each
switch
sequentially,
return to
X1K.
i
.
-
—
Froquoncy
increases
m
decade
steps,
left
to
right
4
AMPLITUDE
Rotate
ccw
Amplitude
decreases
5
DC
OFFSET
Rotato
cw
Return
to
OFF
Output immediately
offset
negative, then
moves
positive
OFF
return
it
to
o'rgmai
level
6
AMPLITUDE
Rotate
cw
Square
returns to
original
amplitude
7
Function Generator
or
DC
Voltage
Source
Vary
input
dc
voltage:
then discon-
nect
VCG
IN input
Frequency
increases with
positive
voltage
and
decreases
with negative
voltage
8
FUNCTION
Press A/-
.
Tj
.
"V
Observe
-V
.
'L
.
\
waveforms
9
MODE
Gate
(CONT
depressed
TRIG/GATE
released)
A
dc
level
near zero
volts
(except
r
L
function)
10
MANUAL
TRIGGER
Press
and
hold
Continuous
\
.
2-2
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