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COMDYNA GP-6 Operator's Manual page 11

Analog computer

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OPERATOR'S
&
MAINTENANCE M A N U A L - - - - - - - - - - - - - - - - - - - - - - - - - p - a - g e - - , , g ,
SW
OP
SW
OP
+
@
3. GP-6 PATCH PANEL
+
@
@
REFERENCE
+
@
@
COEFFICIENT POTE NTIOM ETE RS
@
2
3
4
5
6
SJ
rlrlrlrlrlfl:
.
.
.
.
.
. .
7
8
~
X
y
MULTIPLIERS
X
y
SW
OP
SW
OP
@
@
@
@
~ ~
@
@
@
@
~
~
Patch panel graphics use standard analog computer programming symbols. Amplifiers 1 thru 4 are single ended,
high gain amplifiers with electronic mode switches and summing resistor/integrating capacitor networks that may
be programmed as summer/inverters, integrators, track/store and single pole, double throw electronic switch
amplifiers. Amplifiers 4 and 5 are summer/inverters. Amplifiers 7 and 8 are inverters only. Potentiometers 1 thru 6
are grounded attenuators. Potentiometers 7 and 8 have their bottom ends open and may be used as either voltage
dividers or attenuators. Multiplier networks produce current outputs for direct connection to amplifier summing
junctions, and thus may be patched as multipliers, dividers, squarers and square root extractors.
The following is an explanation of patch panel symbols:
SYMBOL
COLOB CODE
+
Red
Yellow
~
~
~
>-
Red
SJ
Gray
DESCBIPIION
Positive reference, considered unity (1.000) for normalized pro-
gramming. (Actual amplitude is 10 volts.)
Negative reference.
High gain operational amplifier.
High gain operational amplifier with electronic switch.
Inverter.
Amplifier output.
The summing junctions for amplifiers 1 - 6. (Active for amplifiers
1 - 4 when a logic
11
1
11
is patched to the SW switch control jack or
when there is no switch control patching.)
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - C O M DYNA, INC.

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