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~----------------------------------------------------------
Fig. 6-1
Table of Symbols
Symbol
Mark
Description
-{9>-
Q
SN 7405 inverter (Open
collector)
1~~
Darlington transistor
(1 :
base; 2 : collector;
3 : emitter)
-lfH--
OSC
Ceramic oscillator
-®
TR
Transistor
-i*-
TR
Thyristor
-t>r-
0
Diode
--{)f-
ZD
Zener diode
-@J-
Light emitting diode
?
TR
Regulator
-H--
C
Capacitor
--tt-
C
Electrolytic capacitor
---\IVV--
R
Resistor
~L-
SW
Switch
r--..
0
0
S
Shortcircuit line or plug
-;p
CN
Connector (terminal)
r
- - - - - - 1
I
I
Reference
Means a single part.
,
I
L _ _ _ _ _ _
-.J
~
FG ground
-cJ-
Dot head (element)
- -
=Y-
Q
SN7403 2 NAND gate (open
collector
84
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