HP AC-4A User Manual

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•
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INPUT
+210
REGULATED
R l2
2
0K
-1
05
REGULATED
y
X
SENSITIVITY
GATE
0
CLOSED
j)f---~O~U~T~P~U~T_N~0~
-
~1
______
__,0--
◄
0
OPEN
AMPLITUDE DISCRIMINATOR
522B-58-1
OUTPUT
N0
.2
INPUT
TO
1ST
AC-4A
TO
NEXT
-------,f,;.,,(4Jlr.,'°"-------m,
AC-4A
DECADE
COUNTER
IF
USED
BLK.- R
BLK.-Y
BLK.
-G
BLI<.-
X
y
PRESS TO
RESET
15K
IOW
3-
115V
65MA
SELENIUM
RECTIFIER
X
y
Rl 3
IOW
2 50
!1
X
y
X
6 H
IOO
MA
*
'-<-------<>+
300
y
PHOTO TUBE
VOLTAGE
---"·"'
'v------------0
-
I
05
REG ULA TEO
5.
6K
2W
- NO
TE
-
Adjust
the
value
of
Rl3
for
+300
volts
output
from
power
supply
under
load.
Fig.
2.
Simple
Electronic
Counter
Using
the
522B-58B
Ampl
i
tude
Discriminator
to
Drive
the
AC-4A
Decade
Counter
Units
-3-

HP AC-4A Specifications

General

Brand	HP
Model	AC-4A
Category	Cash Counter
Language	English