English

Bridges And Other Null Devices

From the back cover: The bridge-type circuit is found with increasing frequency in modern electronic apparatus and test equipment. This is due basically to certain unique properties which make it particularly useful, but which are not always clearly understood by the technician. Chief among these properties is the null principle. It, in general, makes accurately calibrated indicating instruments unnecessary in the bridge-type measuring circuit (except in a few cases where such instruments play an accessory role). Bridges and Other Null Devices is intended to fill the "information gap" on bridge-type instruments by presenting, in concise form, the essential data on every significant bridge design being manufactured. It is not intended in any way to be a detailed operating manual for any instrument. However, any reader interested in bridge-type instruments will be much better equipped, after reading this book, to choose the correct bridge instruments for his needs before considering a purchase. In addition, the book will expand his knowledge of the capabilities of bridge instruments in general. The first chapter discusses the basic theory of bridge circuits. Subsequent chapters cover

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