Passive and active signal conditioning specialists

Our engineering team are industry experts in designing high performance filters, combiners, and amplifiers that deliver world-class performance and reliability.

Passive & active RF solutions

Filtronic has a long history in the design and manufacture of leading-edge coverage enhancement products for the wireless industry. We are a key supplier of advanced high performance RF communications products to the telecommunications infrastructure and critical communications markets. Our products are used in wireless communication equipment, point-to-point communication systems and adjacent aerospace and defence sectors. Download our latest technologies brochure here

GaN amplifiers


6-11GHz
GaN technology offers significant performance advantages in the application of point-to-point microwave and backhaul transceivers.
  • Ultra-compact GaN amplifier
  • For point-to-point microwave and backhaul
  • A range of extremely compact, high-efficiency amplifier modules based on our proprietary GaN power FET technology
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Custom filters


0-110GHz
Filtronic produces a range of filters, including metal cavity filters, ceramic, combline, interdigital, lumped element, suspended substrate, waveguide and thin-film.
  • Key component in high performance wireless technology
  • Range of environmental conditions
  • Medium to extremely high frequency – MHz to GHz
  • Bespoke designs, working to a customer’s form factor
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Custom combiners


<6GHz
Using highly skilled and experienced engineers with an innovative approach, we offer bespoke design for all our product range including filters, combiners, and amplifiers.
  • Maximise base station investment
  • Delivering highest-in-class performance
  • Combiners for telecoms and critical communications
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Interference mitigation filters


0-110GHz
Interference suppression filters provide a simple, cost effective and low loss solution for minimising spectral emissions and attenuating interference signals.
  • Extensive track record
  • Customised solutions
  • Cost effective
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Ceramic filters


0-10GHz
Filtronic have a rich history in ceramic filter design and manufacture. Filter capability includes TE, TEM, TM, Quasi-T, ceramic combline etc. dependent upon the required filter performance and size.
  • Ability to design and manufacture
  • Higher Q, lower insertion loss
  • Better spectral efficiency
  • Narrow guardband
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Combline filters


100MHz-20GHz
Combline filters can be designed to have bandwidths of 1% to 50% of the centre frequency. Centre frequencies in the range of 100MHz to 20GHz are possible with stopbands extending to 5 times f0 . Wider stopbands are achievable with appropriate resonator loading.
  • Combline bandwidths of 1% to 50% of the centre frequency
  • Interdigital up to 100% bandwidth
  • Contiguous and non-contiguous types available
  • Extended stop bands achievable
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News

Automating wedge bonding for complex wire components

20 January 2023

Filtronic strengthens its engineering team and opens new design centre in Manchester

18 November 2022

New high-power E-band transceiver for 5G XHaul applications

24 September 2022

Filtronic welcomes delegation of MPs from BEIS Select Committee focussed on semiconductor supply.

21 September 2022