Nine-pole lowpass Cheyshev filters in the LC9S series are available in nine models with different 1-dB passbands, from 30 MHz to 3 GHz. The maximum passband insertion loss is 1 dB with stopband attenuation of -40 dBc at a 1.50:1 ratio (rejection frequency to passband frequency) and -60 dBc at a 2.0: ratio. Employing SMA female connectors, these RoHS-compliant filters can handle power levels from 5 to 10 W. They are designed for operating temperatures from 0 to +70°C.
TTE Filters, LLC, 11652 West Olympic Blvd., Los Angeles, CA 90064-1400; (310) 478-8224, FAX: (310) 445-2791
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.
