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3- 28
Testing th e HP 8110Α
4 . On t h e HP 8110 Α set up OUTPUT- ,1 an d OUTPUT ; 2 pages as
sho wn in the
f
oll owing illu strat ions :
11
Per
~9~
Normal
ON
1
Configuring O ut put Screen 1
De 1 α
0 .00 ns
W i dt 9
10 . 0 ns
Offset
+500 mV
L
eadE dq 2 .00
n
s
F
l rw 1 i t
1 .00V
T
ra
i
1 Ε
=LeadE
50
into 50 .0f)
F
TR G- ΜΟ D Ε
OUTPUT 1
OUTPUT -
PATTERN
ι
Per
Normal
ON
210
Ι `1 Ο
D
1
F
y
20 .0
ns
Delay
0 . 00 ns
Se ρα rα t α Out 2
Width
10 .0 ns
O
ffset
+500 mV
L
eadE dq 2 . 00 ns
Αωι ρ 1 i t
1 . ΟΟ V Ι
Τ r α ί 1 Ε
=
LeadE
50 Ω into 50 .09
Τ
RG-
MODE
O
UTPUT
1
O
UTPUT 2
PATTERN
1
Configuring Output Scree n 2
Note
Ι
When y ou are testing instr uments wit h 2 out put channels
i
t
i
s
n
ecessar y to :
α . Co nfig u re
bot
h
c
h annels .
b .
S wi tch OFF th e channel that
i
s
n
ot
b
e ing teste d
If y ou
t
h en test t h e other c hanne l :
ε .
S
wi tch ON the c h annel you are test ing, and switch OFF the other
chann el .
5 . Set t he Dig i t izing Oscilloscope HP 54121 Τ :
ι
P
ress AUTOSCALE
ι Se
l
ect t
h
e
Di
s
pl
a
y m
e
nu
a
n
d set t
h
e
Numb
er o
f Av
erages to 64
ι Se
l
ect t
h
e C
h
a
nn
e
l
me
nu
a
n
d set t
h
e
A
tte
nu
at
i
o
n f
actor o
f
c
h
a
nn
e
l
4 to 2
ι Set t
h
e
V
O
LT
S/
DI
V
o
f
c
h
a
nn
e
l
4 to 10
m
V/d
iv
ι Set O
FF
S
ET
to 250
mV
ι Se lect t h e Tim ebase
m
enu and set th e ΤΙΜΕ/ DIV to 100
p s/d iv
ι Ce nter t h e first positive-going edge of the signal (app roxim ate
D
elay = 32 .4
n
s)
ι Se l ect t h e D elta V m enu
a
nd t urn the V markers On
ι Set the
M
arker 1
P
osition to 245 mV
a
n d the
M
arker 2
P
osi t i on to 250 mV
ι Se l ect the D elta t
m
enu
a
nd t urn the T Markers On
ι Set S TA RT ON EDG E =
P
OS1 and
S
T OP ON ED GE _
P
OS1
ι
P
ress t h e [PRE CISE EDGE FIND
k
ey
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