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Emerson Network Power introduces the Johnson product line of SMA fixed commercial attenuators. This range of attenuators is manufactured from non-inductive resistors, making it a good choice for customers who need to precisely adjust signal levels in applications under 2 W. The important parameters associated with these fixed restriction of hazardous substances (RoHS) compliant attenuators include the level of attenuation, the flatness over a specified frequency range, voltage standing wave ratio (VSWR), power-handling capability, package size and performance over a given temperature range. The average power limit decreases linearly as temperature increases. These attenuators are currently available in stock in 1, 2, 3, 6 and 10 db, and are available in other values on a made-to-order basis.
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