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    Lark Engineering Develops High-Power SMT Filter

    March 12, 2008
    Lark Engineering is the architect of a miniature surface-mount-technology (SMT) ceramic filter series. The filter series can handle as much as 50 W input power from 1800 to 2200 MHz. Passbands of 60 MHz are available across that range, with maximum ...

    Lark Engineering is the architect of a miniature surface-mount-technology (SMT) ceramic filter series. The filter series can handle as much as 50 W input power from 1800 to 2200 MHz. Passbands of 60 MHz are available across that range, with maximum passband insertion loss of 0.35 dB and minimum return loss of 17 dB. The maximum peak-to-peak amplitude ripple across the passband is a mere 0.2 dB. The miniature filter, which measures just 0.75 x 1.09 x 0.62 in., achieves at least 20 dB rejection of unwanted signals at 430 MHz offset from the center frequency.

    Lark Engineering

    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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