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.

Lumped element filters


1MHz-20GHz
We understand filter topology and can work with the perfect technology for each challenge, while offering rapid prototyping and reduced development cycles.
  • Narrowband and broadband designs available
  • High pass, low pass
  • Band pass, band stop and multiplexer form
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Metal cavity filters


0-110GHz
Filtronic has extensive expertise of machined and cast metal cavity filters. Cavity filters offer the user very low insertion loss, steep skirt selectivity, and narrower bandwidths than discrete component filters.
  • Low loss
  • Tight rejection specifications
  • High power
  • Low passive interm
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Suspended substrate filters


500MHz to 26GHz
Suspended Substrate Stripline (SSS) is traditionally a printed circuit technology that can be used for both broadband and narrowband filters.
  • Suitable for high pass and low pass filters that can be cascaded together to form broadband band pass filters and multiplexers
  • Utilising printed circuit technology
  • Repeatable performance across narrowband and broadband applications
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Thin film filters


3GHz - 114GHz
Surface mountable thin film filters are available in band pass, band stop, high pass and low pass configurations.
  • Perfect for space critical applications
  • Frequency range suitable from 3GHz to 114GHz

 

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Small cell filters


<6GHz
Maximum performance for the smallest space is critical when space is at a premium. As data demand continues to grow and technology continues to reduce in size, small cell sites become increasingly attractive.
  • Ideal where size, weight and performance are key
  • Thin wall filters
  • Use of different materials eg magnesium, mixed mode filters and advanced ceramics
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Cross band combiners


<6GHz
Cross-band combiners are used to combine multiple frequency bands and are technology independent. They consist of wideband filters for each required band combined with a common junction to enable each band to be presented to a common antenna connection
  • Supports different technologies; GSM, UMTS, CDMA, WCDMA and LTE
  • Covers wide range of wireless frequency bands; 700, 800, 900, 1200, 1800, 2100 and 2600MHz
  • Signals from multiple base stations
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News

Filtronic re-shores manufacturing of critical communications product from China to USA

23 June 2021

South Korea’s mmWave experts join forces with Filtronic

22 June 2021

Globes Elektronik joins the team

9 June 2021

Filtronic wins 2021 Queen’s Award for Enterprise

29 April 2021