urgentcomm » SMT

Demystifying RF attenuators

Published Monday, November 01, 2004

Many different small test accessories often are needed when performing radio frequency, or RF, test and measurement work. One such item is the RF attenuator, which typically consists of several individual “pads” that can be switched in or out to increase or decrease the total attenuation. (Generally, the word “pad” refers to a single fixed attenuator.) The RF attenuator is frequently used in many test and measurement procedures in radio communication; practical information on its construction and use is presented here. Attenuators for audio frequencies are easily constructed out of ordinary resistors using a formula or chart to ...

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