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GRAPHIC SYMBOLS USED ON SCHEMATIC AND BLOCK DIAGRAMS
BASIC COMPONENT SYMBOLS (CONTINUED)
-c-c--
INDICATES
A
PLUG-IN
CONNECTION
(F)
TO
(M)
CONNECTION
SYMBOL
INDICATING
PLUG
(MOVABLE)
CONNECTION
SYMBOL
INDICATING
JACK
(STATIONARY)
MULTI-CONDUCTOR
CABLE
OR
BUS
INDICATES
A
SINGLE
PIN
OF
A
PC
BOARD
EDGE
I
CONNECTOR
TOROIDAL
TRANSFORMER
J-5
LIMITER
F--T
ENCLOSES
REAR
PANEL
L--J
DESIGNATION
0
0
B
63
0
S
TPl
48
A
B
I
:
/h
OR
6
PD
P
TEST
POINT
(TERMINAL
PROVIDED
FOR
TEST
PROBE
CONNECTION)
MEASUREMENT
POINT
(USED
TO
INDICATE
A
CONVENIENT
POINT
FOR
MEASUREMENT.
NO
TERMINAL
PROVIDED
FOR
TEST
PROBE)
INDICATES
WIRE
OR
CABLE
COLOR
CODE
(COLOR
SAME
AS
RESISTOR
COLOR
CODE.
FIRST
NUMBER
INDICATES
BASE
COLOR,
SECOND
AND
THIRD
NUMBERS
INDICATE
COLORED
STRIPES)
EARTH
GROUND
SYMBOL
USUALLY
INSTRUMENT
CHASSIS
GROUND
(MAY
BE
ACCOMPANIED
BY
A
NUMBER
OR
LETTER
TO
SPECIFY
A
PARTICULAR
GROUND)
SCREWDRIVER
ADJUSTMENT
FRONT-
OR
REAR-PANEL
CONTROL
COMMONLY USED ASSEMBLY AND CIRCUIT SYMBOLS
OSCILLATOR,
RPG
(ROTARY
PULSE
GENERATOR)
FAN
MOTOR
MIXER
SAMPLER
PHASE-FREQUENCY
DETECTOR
SERVICE
DETECTOR
AMPLIFIER
BUFFER
OP AMP
LOW
PASS
FILTER
HIGH
PASS
FILTER
BANDPASS
FILTER
BAND
REJECT
FILTER
ATTENUATOR
(OR
PAD)
fi!+
VARIABLE
ATTENUATOR
TL-
LINE
TRANSMISSION
BASIC LOGIC SYMBOLS
AMPLIFIER
BUFFER
3B;;;zE
>
AND
GATE
a
NAND
GATE
%
OR
GATE
B
NOR
GATE
INVtHltH
-
BUFFER
-D-
l7
SCHM
I
TT
SAFETY
SYMBOL
,I
TRlGGER
-a
;F;;;TE
u-
OPEN-COLLECTOR
OUTPUTS
ARE
3-STATE
-
INVERTER
Q
INDICATED
BY
THE
PRESENCE
OF
DANGEROUS
L
‘OLTAGES
PRESENT
RllFFFR
THE
OPEN-COLLECTOR
SYMBOL:G
BE
EXTREMELY
CAREFUL!
Figure 5. Graphic Symbols (2 of 2)
12 General Information