HP 5245L - Page 179

-----t
Model 5245L
REFERENCE
DESIGNATIONS
OMITTED:
DS5
R3-5
2.
3.
4.
5.
NOTES
UNLESS
oTHERWISE
INDICATED:
6.
RESISTANCE
IN
OHMS;
CAPACITANCE
IN
PICOFARADS
REFERENCE
DESIGNATIONS
IN PARENTHESES
INDICATE
LIGHT
DESTINATION
FOR
DSI-DS4.
LIGHT
SOURCE
IS
NOTED
NEAR
EACH
VI
SECTION.
FOR
DSI-
DS4,
SECTION
A LIGHTS
ON
"
I"
SECTION
e
t-tcX-fS
Ot't'nOu
FILLED
SQUARE
(
I
)
IIIOICATES
CONDUCTING
ELEMENT
FoR
DEcIMAL
"o"
(BcD
"oooo',)
OUTPUT
CODE:
oPTtoN
02:
t=
+t8v,
o
=
-8v
OPTION
03: l=
-
8V,
O=
+t8V
THE
O52I2
-6002
DCA'S ARE
USED
IN
OPTION
02
tNsrRuMENTs.
THE
o52t2
-
6003
DcA's
ARE
USED
IN OPTION
03
INSTRUMENTS.
THIS
scHEMATtc
ts
FoR
Borx
Dca's.
THE AssEMBLtEs
ARE
IDENTICAL
WITH
ONE
EXCEPTION.
THE
oprtoN
02
Dca's
(052t2-6oo2)
wtrH
A
',
1,,
STATE POSITIVE
BCD
OUTPUT
HAVE
RESISTORS
MARKED
WITH
A
DOUBLE
ASTERISK
(**)
CONNECTED
TO COLLECTORS
AS
SHOWN
BY
_
+
_
+
_
LINES.
THE
OPTION
03 DCAIS
(O52I2-
6003)
WITH
A ''I''
STATE NEGATIVE
8CD
OUTPUT
HAVE
THESE
RESISTO'RS
CONNECTED
TO
OPPOSITE
COLLECTORS
AS
SHOWN
BY
_
-
LINE.
TRUTH
TAELE
I
I
\_-
WAVEFORMS
Aro
-
At4
c r-
t3
cRt
-
14
DSI_
6
LI
Q
r-
8
R
t-64
VI
DIGIT
4
LINE
CODE
RELEVANT
STAGES
VI
BI NARY
D
c B A
D
c B
A
o
o o
o o KPRT
o
o o
I
FMOT
2
o
o
o
HNRT
3
o o
I EMQT
4 o
o
o JPRT
5
o
o I DLQT
6
o
o GNRT
7
o
CLQT
8
o
o
o BS
9
o o AS
Ql
COLLECTOR +
INPUT
TO
O3-Q4
+
Q3
COLLECTOR +
INPUT
TO
05-Q6
+
05 COLLECTOR
+
INPUT
TO
Q7 -+
FEEDAHEAO
FROM
OI
COLLECTOR
TO
+
08
BASE
COLLECTOR
Q7
OUTPUT
AND-BIAS
+
TO
DIODE IN
Q3-Q4
INPUT
CIRCUIT
05245
-D
-
52
02349-1