Tektronix DD 501 Instruction Manual page 48

:s
calibrator signal is
ily
where
1
kHz
+ 5V
(dcpl
a)
+ 5V
(dcpl a)
SEE PARTS
LIST
FOR
SEMICONDUCTOR
TYPES.
C36,
.01
-
:CR36
500
mV
500
»
>
(dcpl
a)
R26
47(ov)('
1-5-
U
I
S.SpF
S.SpF
'
^oL
(events)
'
INPUT
COMP
-O)
Q28A
IcoyD
500
mV
^ WIb'.
'
R44
/U44B
SIO
t
1/3
10216
7
T
n
SIO
U44A
I/3I0SI6
0^7
+5V
TO
PIN 6,7
U240B
•
DIAG
<|>
1
-
(dcpl
(dcpl
a)
0
i
00
mV"^
i
5 00
tf
i
'
3
Ni-
ro^
>
200
mV 500^
—
U44C
1/3 10216
(DCPLA)
/^
\
47 0
I
C*4.2) >R6f
Q28B
(events)
INPUT
ZERO SET
ens
Q35
J
R33? C33
i.sKf
.01
M
-isv
(dcpl
a)
,
+5V
'
(dcpl
a)
^R62
R60
((^T
^_4L/fyQ60
eg,.
.
-ISV
-
(dcpl
a)
(events)
I
preset
I
ewi
CW
1
K
•
lOK
-ISV
.
(dcpl
a)
(dcplb)
(dcpl
a)
+5V
(dcpl
b)
C69 <R69
-ISV
(dcpl
/)
I
LEVEL!
(events)
C123
-I5V '
.005 (dcplb)
I
CI22
^
1.5-
.
S.SpF
7
(start)
INPUT
COMP
RI23
I
470K
>RI22
f
IM
QI28A
H-o.oz)
SEE PARTS
LIST
FOR EARLIER
VALUES
AND
SERIAL
NUMBER
RANGES OF PARTS OUTLINED
OH DEPICTED
IN GREY.
^-41
—
0136.
.01 -
Wl /—
•
CR136
;
/—
\
wii4a
sob
mV
500 fs.
1
, , . ;
LEVEL
IN/OUT
R|44\
UI44B
1 i/3
10216
—
-I
iJv..„6i(SIE)
UI44A
1/3
10216
TSV
cisel
.
-01
\rr.
(dcpl
b)
(dcpl b)
200
mV
.SOOjb)
/
QI30
G53D
(-
0-6
)
500
mV ' '^500**i
.
(Up ISO
TO
PIN
6
U230A
DIA& <|>
PISO
ra
'7158
I
RI59
Rises 100
(d<5^lb)
(dcplb) f 510
RI57^
UI44C
1/3
10216
QI28B
GUD
QI35
(start)
i
PRESET
I
RI34 C
-Q
_a/
33 GL
(start)
^
ZERO SET ^01
^1-
0IrI29
-*s
lOO
g
(to-Qg)
3^0164:
I
<
-ISV
(dcpl b)
(dcplb)
CI2S
SR
128
,01
< 510
(dcpl
b)
[PARTIAL
Al
DIGITAL DELAY BOARD
-ISV
(dcpl
b)
L
I
C
B7
I
P2
(DCPL^
I
LEVEL
I
(start)
JI65
,
REV NAAT \3S\
TRIGGER CIRCUIT
<i>