EAI TR-20 Operator's Reference Manual page 84

CIRCUIT
DESCRIPTION
ELECTRONIC
COMPARATOR
40.538
{CONTINUED}
COMPUTER SYM BOl
A
__
--~D~N_~
lTH UNlTH
B
.-J---...........
o
0
x
Y
----~~
lOGIC IN PUT
o
NOTE: THESE DIAGRAMS ONLY
SHOW THE SWITCH PATCHING.
FEEDBACK MUST BE PROVIDED
AROUND THE AMPLIFIER OR
OVERLOAD WILL OCCUR WHEN
THE SWITCH STOPS TRANSMIT-
TING.
B
o
WHEN THE lOGIC INPUT IS AT BINARY ONE,
Eo= -E
IN
Rfb WHERE Rfb = 10K
RIN
lOGIC I
{THROUGH EXT
INPUT REStS
SJ
•
o
o
o