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    1. Content

    Manual Attenuator Steps To 60 dB

    June 3, 2010
    Model 743-60 is a step attenuator from Narda Microwave-East, an L-3 Communications Company with 0 to 60 dB attenuation from DC to 18 GHz. It is controlled via a thumb wheel and direct readout. It provides precise attenuation within 1 dB from 0 to 40 dB ...

    Model 743-60 is a step attenuator from Narda Microwave-East, an L-3 Communications Company with 0 to 60 dB attenuation from DC to 18 GHz. It is controlled via a thumb wheel and direct readout. It provides precise attenuation within 1 dB from 0 to 40 dB and within 1.5 dB to 60 dB. The resettability is better than 0.05 dB. The VSWR is less than 1.50:1 while the temperature stability is 0.0001 dB/dB/C. The step attenuator can handle 2 W average input power and 200 W peak input power. It measures 1.43 x 1.75 x 0.5 in. and can be panel mounted with an optional kit. It is supplied with Type N female connectors.

    About the Author

    Jack Browne | Technical Contributor

    Jack Browne, Technical Contributor, has worked in technical publishing for over 30 years. He managed the content and production of three technical journals while at the American Institute of Physics, including Medical Physics and the Journal of Vacuum Science & Technology. He has been a Publisher and Editor for Penton Media, started the firm’s Wireless Symposium & Exhibition trade show in 1993, and currently serves as Technical Contributor for that company's Microwaves & RF magazine. Browne, who holds a BS in Mathematics from City College of New York and BA degrees in English and Philosophy from Fordham University, is a member of the IEEE.

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