Microwave Filters and Passive Components

RF Microtech develops both conventional and innovative RF filters based on advanced technologies, selecting the most appropriate one to match customer requirements:

  • Microwave Filters
  • Diplexers & Multiplexers
  • Tuneable Filters
  • Switchable Matrices & Filter Banks
  • Couplers and Power dividers

Design, prototyping, testing and small/medium production services are offered as well as technical assistance in all steps of product development.

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Filter technologies:

  • Waveguide
  • Coaxial Cavity
  • Ceramic
  • Reconfigurable
  • Planar
  • Lumped
  • Suspended-Line
  • Substrate Integrated Waveguide (SIW)
  • Micro-machined
  • LTCC

Waveguide Filters

The Waveguide Filters are a family of filters characterized by excellent performance and very robust assembly. They are realized by CNC milling process with a very high accuracy and precision.

Waveguide Filter

We can provide such filters in a very short lead-time from analysis of specs to delivery of first samples (6-8 weeks).
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Waveguide Filter

The Waveguide Filters are available from C- to V -band for SatCom and many other applications both terrestrial and space. They can handle high RF power (up to 100W and even more, if requested).
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Waveguide Filter

Their RF interface can be either in waveguide, connectorized or even SMD technology.
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Waveguide Filter

Custom design with minimized volume occupation can also be developed, if requested.
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Waveguide Filter

Such a filter technology can be also adopted to implement diplexer or multiplexer.
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Coaxial Cavity Filters

The Coaxial Cavity Filters are a family of filters characterized by excellent performance and high compactness.
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Coaxial Cavity Filters

We can provide such filters in a very short lead-time from analysis of specs to delivery of first samples (8 weeks). The Coaxial Cavity Filters are available from UHF to Ka -band for many possible applications both terrestrial and space.
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Coaxial Cavity Filters

Their RF interface can be either a connectorized interface or in SMD technology. Such a filter technology can be also adopted to implement diplexer or multiplexer.
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Ceramic Filters

The Ceramic-loaded Filters are a family of filters characterized by very low-loss performance and extremely high compactness.
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Ceramic Filters

They are based on metal cavities loaded with high-performance ceramic parts.
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Ceramic Filters

We can provide such filters in a very short lead-time from analysis of specs to delivery of first samples (8 weeks). The Coaxial Cavity Filters are available from UHF to Ka -band for many possible applications both terrestrial and space.
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Ceramic Filters

The Ceramic-loaded Cavity Filters are available from UHF to Ka -band for many possible applications both terrestrial and space.
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Ceramic Filters

TTheir RF interface can be either a connectorized interface or in waveguide technology.
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Ceramic Filters

Such a filter technology can be also adopted to implement diplexer or multiplexer.
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Reconfigurable Filters

Tunable Filter

Tunable filter is a mechanically tunable bandpass filter in Ka-band ideal for radio-link and ground-segment SATCOM applications. It is based on a patented tunable concept developed by RF Microtech.

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Reconfigurable Filters

Filter Bank

The switched filter banks are a family of microwave devices composed by several filter channels that are alternatively switched. The filters can be based on several technology (distributed or lumped planar technology, coaxial technology, ceramic-loaded technology).

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Reconfigurable Filters

Tunable Filter

Tunable filter is a mechanically tunable bandpass filter in C-band ideal for radio-link applications. It is based on a patented tunable concept developed by RF Microtech

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Planar Filters

The planar filters are a family of filters characterized by very high compactness. The filters can be characterized by bandpass, stopband, lowpass or highpass filter response.

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Planar Filters

The filters can be based on different planar and multilayer topologies: PCB, LTCC, micromachining and alumina thin-film. They can be implemented either as lumped or distributed filters and they can be fixed in frequency or tunable in frequency, if requested.

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Planar Filters

The lumped implementation can be based on market-available SMD components or on custom lumped part design (e.g. LTCC or micromachining). Also high-performance custom designs based on lossy or pre-distorted techniques and differential filter are available.

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Planar Filters

The RF interface of these filters can be either a connectorized interface or in SMD technology.

APPLICATIONS

RADIO LINK

We develop planar antennas, beam forming networks, microwave filters and passive components for space, avionics, radio links and satellite communication systems, from L/S-bands up to millimeter waves. In particular, portable beam scanning antennas are built to connect people travelling in remote areas and for SatCom On The Move applications.

TELECOMMUNICATIONS

Innovative microwave solutions developed by RF Microtech apply to various markets, not only the more conventional RF, Electronics, Telecommunications but also to industrial markets apparently non connected to the microwave technology.

SPACE

Miniaturized filters, diplexers as well as light and foldable antennas are developed for the space market, that continuously demands for innovative technologies and miniaturized solutions to increase the payload density and reduce its dimensions.

LOCALIZATION AND SENSING

Microwave systems and sensors of physical parameters such as moisture, weight, particles/defects detection and so on, are developed for the real-time control in industrial processes. Typical applications include the pharmaceutical, agro-food, timber industries. In addition, indoor real-time localization and sensing systems are developed for automated factory management and automated warehousing, as well as for stand-off surveillance & security screening.

Contact us

Contact us for more information or to receive a personalised offer for your business.  We look forward to welcoming you!

Send request

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