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(A)
(C)
(E)
r--
I
.-..
l
I
I
[
!
I
I+
I
L
l ....
U_
t
~
'if
.-.-i
v
Preamp output for o
I
Bit
scope settinq V/cm = .5
Time/cm = 100 ns
I
n
J
IAA-
l
l
v
Preamp output = 0
Bit
scope setting V/cm
=
.5
Time/cm
=
lOOns
T
Input to S/A = 1 Bit
(Actual core output)
scope setting V/cm = 50 mv
Time/cm
=
100
ns
__./
(8)
"A" trace
=
-SA strobe 81C2G04 f-~"""
....
"""~-""'l'lr---+-+...-+-+-"""'"""~
Logic MC007
l L
'\f'
"B" troce - Preamp output= 1 Bit
i---i-.-t--+---+"[7
i(,l ..... ,.._..,.._..._ ___ __,
(D)
"A" trace Preamp output = 0 Bits
scope setting
Trace A
V/cm
=
2
Time/cm
=
100 ns
rll
L
[V
Trace B
1
100
ns
J
I
l
"B" trace Sense amp gater
~
t
1-+---l-----.:1
I
11:----1--+-,J
j
z~f
I
J
scope setting V /cm = 1
Time/cm = 100
ns
Note: All scope settings were mode with sync point storage select A 1H6G5
F!GURE 80. M9A PREAMPLIFIER OUTPUTS -- WAVEFORMS
Service Checka,
Adjustment and Removal Procedures
(3/71)
91
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