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Connector
(LO)
500
OUT (HI)
(ITL)
500 OUT
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SYNC OUT
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IN
TRIG I N
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VCG
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SWP O UT
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GCV OUT
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,
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,
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,
OUT connector i s diode
*The TIL
up
to
drive
20 Transistor-Transistor-Log ic (TT L ) loads
level between OV and 0.4V, and high
and 5V). It
(low
ween 2.4V
should not be
resistive load
than 6000. The
less
pA
accepts TIL
is diode protected , and
logic l evels,
quires
drive from
a
500
MODEL 1 88
RG58 O R
OUTPUT
EQUIVALENT
I M PEDANCE
500
OUTPUT
AMPLIFI E R
Figure 3·2. Signa' Termination
Manua' Function Generator Operation
3.2.2
For basic operation ,
sel ect
The
and
ampl itude .
fol lowi ng
of the
manua l
cont rol
fu nct ion
numbers are ke y s
to
f i g u re
Step Control/Connector
500 OUT 1 5
1 8
FREQU E NCY
2
M U LTIPLI ER 4
Frequency Dial 1
3
SWEEP's CONT 5
4
Scans by Artekmedia
Impedance
SOD
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SOO
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*
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kO
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2
6000
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600 0
and
can
p rotected
e
l
ve l bet
TRIG
to
connected
IN
con nector
re
h igh l evel output.
RECEIVI NG
I N STRU MENT
EFFECTIVE
CIRCUIT
RESISTANCE
the waveform f requency
steps
demonst rate
generato r.
(Bold
3-1 .)
Setting
either
Connect
to
c i rcuit
3.2. 1 ).
(refe r
pa ra-
o utput
to
g raph
Set
range
fre-
to desi red
of
q uency .
Set to desi red frequency
within the range.
Extended.
2011
=>
FU NCTION
12
Set to
5
6
DC OFFSET 1 3
Set
form amplitude to prevent
clipp i n g
14
Select for
7
AM PLITU D E
tude.
3.2.3
Voltage Controlled Function Generator
Operation
(VCG)
voltage cont rol led
Operation as
a
is as for
a
manually
ge n e rator, only
frequency within particular
the
is
additionally
contro l l ed
by
at the VCG IN
exc ursions) i nj ected
form the steps given In paragraph
frequ ency
to determine a
dial
t h e frequency is to be voltage
OV - -
.'"7\[\;------------
POSiti v E
_ _ _ _
_
_
_
_
DC O F FSET
+5V-'Vv-----
_ ,v
_ _ _ _
_ _
_
_ _ _
EXCESS I V E
POSITIVE
O F FS ET OR
LOA D I N G
Fig u re 3-3. DC OFFSET Control
For
I N ,
.
frequency
1
control
VCG
set
the
dial
For frequency
I N ,
2 .
control
VCG
set the dial for
3.
For modulation with an
the dial at the
desi red center
waveform.
desi red
wave-
as desi red .
Limit
e
figure 3-3).
(
s
e
des i red ampli-
gene rator
function
control/ed function
ranges
external voltage
4V
a n
±
Per·
(
connector.
only
the
set
3 . 2 . 2 ,
from which
refere nce
control led .
-
V1
NEGATIVE
_
_
_ _
_ _
DC OF FSET
-------
AI1L
EXCESSIVE
N EGAT I V E
OFFSET OR
LOADING
positive dc i nputs
w i t h
at
for
f requency
a
lower
l i m i t .
with
inputs
n egat i ve d e
at
uppe r
an
frequency limit.
input at VCG
e
a e
I N , s
t
frequency. Do not
3-3
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