Biomedical Engineering Reference
In-Depth Information
Fig. 7.3
Wheatstone bridge
Fig. 7.4
Deflection type DC
bridge
across the excitation voltage, V
B
. The general structure of the bridge circuit output
V
0
is illustrated in Fig.
7.3
.
A deflection-type bridge with d.c. excitation is shown in Fig.
7.4
. This differs
from the Wheatstone bridge mainly in that the variable resistance R
v
is replaced by
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