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3-5 2
Testi
n
g t
h
e HP 811 0 Α
6 . Ch eck
t
h at O v ers h oot and Rin ging are within the f5%ο of
a
mplit ud e ±20 mV win do w
7 . Enter t he res ult in t he
T
est
R
eport as TR entry 9 - 1
Note
Ι
T
ake t he osc illoscop e's trace flatness error (GaAs inpu t c i rc uit) into
account .
-
8 . Set HP 8110Α to : hi gh level = 500 mV
9 .
R
ep eat th e O vershoot and Rin ging test, but this time set t he
VARIABLE LEVELS = 91% - 109% and press (AUTO LEVEL SET1
10 . Enter t he result in t he
T
est
R
ep ort as TR entry 9 - 2
Preshoot
11 . Set HP 8110A to :
̢
P
eri od = 500 μ s
̢ Hig h Lev el = 5 V
̢ L ow Lev e l = 0 V
̢
D
el ay = 10 n s
12 . Set the di g i ti z in g oscill oscope, HP 54121 Τ :
̢
P
ress A
U
TOSCA
L
ε
̢ Select t he Dis play menu
a
n d set the Number of Averages to 32
̢ Select t he Ch a nne l m enu
a
nd set t he Atte nuat ion factor to 10
̢ Center one pul se horizo ntally and vert i call y on screen (e.g.
ΤΙΜΕ /DI
V
= 50μ s/div , DELAY = 365 μ s)
̢ Sel ect th e de lta V menu
a
nd t urn t he vol tage
m
ar kers On
̢ Set t h e VARIABLE LE
V
EL S = -5% to +5% ο an d
p
ress
(AUTO LEVEL SETJ
̢ Select the chann el menu
a
n d ce nter
v
ertically
t
he
b
ottom
o
f
t
he pulse (offset = 0
V)
̢ Set the
V
O LT S/ DIV = 200 mV /div
̢ Select the Tim ebase
m
enu
a
nd set ΤΙΜΕ /DIV = 5
n
s/div ,
DELAY = 16
n
s
13 . Set HP 8110 Α to
p
eriod = 500 ns
14 . C heck th at P res h oot is within t he f5% of amplitude ±20 mV
win do w .
15 . En ter the result in the
T
est
R
ep ort as TR
e
n try 9 - 3
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