in Defence

PPM Systems supplies custom filters to British Army

Posted 27 January 2021 · Add Comment

Swindon based PPM Systems has designed and produced 90 custom filters for the British Army spectrum team based at Blandford Camp to support the Army’s Battlefield Tactical Communication and Information Systems (BATCIS) programme to upgrade its capability.



Image courtesy PPM / copyright Shutterstock


The custom filters include multiple designs of narrow band cavity filters in band pass and band stop versions. They are an important element that allow for increased co-location and integration of systems onto common platforms.

The use of filters reduces intermodulation and out of band noise, providing optimum signal levels and traffic throughput.

Paul Cotterill, PPM Systems Business Development Manager, said: “This was a significant order for high quality filters across 30 custom types and is a good example of PPM’s rapid design capability to supply these types of filters.”

Cavity filters are ideal where low insertion loss and medium to high power handling is required with high selectivity and out of band rejection.

PPM Systems supplies custom filters in a range of designs and technologies including: lumped element (LC), cavity and comb filters, microstrip, ceramic coaxial and helical filters.

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