IBM System/360 2050

(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