Attenuator Varies 0-To-45-dB Range

July 28, 2010

Model 4797 is a miniature variable attenuator from Narda Microwave-East, an L-3 Communications company, with wide attenuation range of 0 to 45 dB from DC to 18 GHz. The unit provides accuracy of 1.5 dB over frequency and is specified for maximum VSWR of 1.30:1. Although it measures only 2.64 x 3.25 x 1 in. and weighs just 12 oz., it can handle 10 W average input power and 3 kW peak input power. The variable attenuator exhibits less than 1 dB insertion loss across its full frequency range and is supplied with SMA 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.