4-11
4 Making Measurements
When the measurement range limits shown in
are exceeded,
overrange effects and loss of lock can occur which make a useful evaluation
of the signal impossible (refer also to
).
Figure 4.6: Combined range diagram for the displacement decoders OVD-10, OVD-20 and
OVD-40
0 . 1
1 0
2 5
5 0
1 0 0
2 5 0
5 0 0
1 k
2 . 5 k
5 k
1 0 k
2 5 k
5 0 k 1 0 0 k
2 5 0 k
0 . 2 5
0 . 5
1
2 . 5
5
1 0
2 5
5 0
1 0 0
2 5 0
5 0 0
1 , 0 0 0
2 , 5 0 0
5 , 0 0 0
1 0 , 0 0 0
2 5 , 0 0 0
5 0 , 0 0 0
1 0 0 , 0 0 0
4
1 6
6 4
3 2 0
6 4 0
4 0 , 0 0 0
0 . 5
m
m / V
2
m
m / V
25
k
H
z
75
k
H
z
25
0
kH
z
2 0
m
m / V
8
m
m / V
8 0
m
m / V
3 2 0
m
m / V
1 , 2 8 0
m
m / V
5 , 1 2 0
m
m / V
x /
m
m
f / H z
v
m a
x
= 1
0 m
/ s
v
m a
x
= 5
m
/ s
v
m a
x
= 1
m
/ s
v
m a
x
= 0
. 2 5
m
/ s
v
m a
x
= 0
. 0 6
m
/ s
p r a c t i c a l l o w e r a m p l i t u d e l i m i t