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RF Microwave Fixed Filters A well known and respected manufacturer of RF and Microwave Filters for over 30 years, our various design packages cover a range of 20 MHz to 12 GHz and include Tubular, Lumped and Distributed Element, Cavity, Interdigital, Combline and Miniature filter types. Tubular Filters Telonic Tubulars are Lowpass and Bandpass Filters of 0.1 db Chebyschev design and are available with from 2 to 12 sections to meet your selectivity needs. Three different sizes and frequency ranges allow for the selection of an optimal design for each requirement. Almost any type of input or output connection is available as a standard item.  Photos left to right High Pass Telonic Highpass Filters are typically of 0.1 db Chebyschev design distributed element, and are available with 2-10 sections and practically any available connector. Special designs are available on request.  Cavity Bandpass Filters Telonic Cavity Bandpass Filters exhibit lower losses and narrower bandwidths than Telonic Tubular Filters, as well as higher frequency ranges. For extremely high stability over the operating temperature range, most Cavity Filters can be temperature compensated. Where the normal attenuation characteristic is not appropriate, traps, or "band-reject sections" may be added for special applications. These filters utilize helical resonators, coaxial resonators or resonant cavities. Resonant elements are subject to higher frequency spurious responses which can usually be suppressed with a Telonic Lowpass filter, if required.  Photos left to right Interdigital Bandpass Filters Telonic Interdigital Bandpass Filters fill the need for moderate and wide bandwidth filters in the 1.0 to 6.0 GHz spectrum. The standard unit is available with a many as 17 sections, to meet extreme selectivity requirements. These 0.1 db Chebyschev filters exhibit almost exact duplication of the mathematical model their skirts or stop bands are geometrically symmetrical. 
Combline Bandpass Filters The Telonic Series TSJ Miniature Combline Bandpass Filters are designed for compact size and provide the lowest possible pass band insertion loss consistent with their size. They offer wide stop band rejection extending up to 28 GHz, and 3 db bandwidths varying from1 to 15%. Because these filters are extremely small and light weight, they are well suited for use in aircraft, missile, and satellite transceivers and receivers.  TEL:949-494-9401, 1-800-854-2436 FAX:949-497-7331 E-Mail:info@telonicberkeley.com |