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电桥电路

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电桥电路
BRIDGE CIRCUITS


SECTION 2
BRIDGE CIRCUITS
Walt Kester

INTRODUCTION
This section discusses the fundamental concepts of bridge circuits, and is followed by
a section on precision op amps (Section 3). Section 4 focuses on the detailed
application circuits relating to strain gage-based sensors. Sections 2 and 4 can be
read sequentially if the reader already understands the design issues relating to op
amps which are covered in Section 3.

Resistive elements are some of the most common sensors. They are inexpensive to
manufacture and relatively easy to interface with signal conditioning circuits.
Resistive elements can be made sensitive to temperature, strain (by pressure or by
flex), and light. Using these basic elements, ma……
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电桥电路
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jing110120119· 2009-11-07 08:08:44
谢谢