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.

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.
  • Experts in SWAP reductions
  • Range of environmental conditions
  • Material expertise
  • 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. We are experts in:
  • 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.
  • Rejection with minimal loss of usable spectrum
  • Easy to install
  • Minimal size and weight
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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
Traditionally supporting the wireless infrastructure business, where typical demands include low loss, tight rejection specifications, high power and low passive intermodulation
  • Bandwidths of 1% to 50% of the centre frequency
  • Contiguous and non-contiguous types available
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News

Tudor Williams joins Filtronic as Director of Technology

22 October 2021

Filtronic formally presented with 2021 Queen’s Award for Enterprise, International Trade

11 October 2021

UK’s new science minister George Freeman visits Filtronic

29 September 2021

Filtronic reaches 60k milestone with transmit/receive modules for European phased array radar application

7 September 2021