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Waveguide ports are used to excite a microwave filter constructed from WR-90 waveguide with cavity-backed inverters and multiple irises....

Waveguide ports are used to excite a complex microwave filter with a folded waveguide structure linked by a cross-coupled filter....

Simulation can greatly enhance the design and prototype process when developing new products. This is especially true for the design of waveguide devices, such as a cavity filter, as the engineer can quickly calculate a number of key metrics leading to an optimal configuration. Through optimization...

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  • Analysis and correction of echo due to mode conversion in WC-281 waveguide
    A TE21 suppressive filter developed by the waveguide supplier to resolve this difficulty, was found to be very effective in reducing levels of echo typically by 20 dB (two units in tandem) when placed in the waveguide run.
  • Potential Interference from Terrestrial Sources into Direct Broadcast Satellite Home Receiving Systems
    In its subscriber terminal performance requirements and technical char- acteristics document prepared for the home equipment suppliers , STC has specified the third-order intermodula- tion product of the LNC output using waveguide filtering tobe 45 dB downfrom the unmodulated output signals whentwo .
  • Cobham Defence Electronic Systems
    Supplier of passive microwave components, filters , custom waveguide , integrated assemblies for military and aerospace markets.
  • JDS Uniphase and Alcatel Optronics extend supply of products
    Operating state-of-the-art manufacturing plants in North America and Europe, Alcatel Optronics is a leading supplier of DWDM lasers, photodetectors, optical amplifiers, high-speed interface modules and key passive devices such as arrayed waveguide multiplexers and Fiber Bragg Grating filters .
  • Radio Frequency Systems Signs Comprehensive National Infrastructure Supply Agreement With Verizon Wireless for Full Line of RFS Products
    ...that it has signed a comprehensive national infrastructure supply contract with Verizon Wireless, the nation's largest wireless carrier, for provision of the full RFS product line of FLEXWELL coaxial cable, waveguide , connectors, base station and microwave antennas, filters , combiners, amplifiers and accessories. Radio Frequency Systems has been an approved supplier to Verizon Wireless and its predecessor companies since 1996.
  • Merrimac Granted Patent For Multi-Mix Waveguide Filter
    ...Microwave components, assemblies and Micro-Multifunction Modules (MMFM) announced today that it has been granted a patent for its Multi-Mix Waveguide Filter from the United States Patent and Trademark Office entitled "Multilayer Dielectric Evanescent Mode Waveguide Filter Utilizing Via Holes." ...and microwave TV/wireless cable (signal channelization for line of sight communications systems from supplier transmitter to subscriber...
  • Minimising the costs of next generation aperture synthesis passive millimetre wave imagers
    Historically building radiometers from individually purchased feed horns, mixers, local oscillators, filters and waveguide / coaxial cables for signal and local oscillator distribution has cost in the region of £10’s K per channel, increasing in cost as the frequency rises through the... However, by purchasing preassembled units from mass market suppliers , such as those used for domestic satellite receivers...
  • Light Reading - Clarendon, Micron Announce Multiplexer
    ...a joint development program launched in August, 2001, Clarendon Photonics, Inc., an emerging supplier of integrated photonic... The optical waveguide chips, designed with Clarendon's proprietary reconfigurable filter technology, are approximately 1/4 the size of an Intel Pentium 4 processor and are fabricated at Micron's Boise, Idaho facility, using Micron's 0.13mm CMOS process technology.
  • A cost-effective packaging for the environmental hardening of passive optical devices
    A low cost packaging method, based on aluminium layered laminate sealing technology, is presented in this paper for the environmental hardening of planar waveguide splitters, filter WDM assemblies and other non- robust passive devices. ...the optical performance of planar splitters and filter WDM assemblies from randomly chosen suppliers was monitored during...
  • Microwaves in Europe
    ...Research and Technology organization, has carried out much innovative work on antennas and waveguiding systems since the... Originally recognized for producing filters for telecommunications, it has become a leading supplier of wireless infrastructure subsystem products, and is now involved in III–V compound semiconductors with related product R&D, and manufacture.