High performance microwave power modules for radar

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Microwave power modules for radar and UAV applications
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TMD is exhibiting its range of TWT based microwave power modules for defence applications at the DSEI show in London.

TMD Technologies will be attending the DSEI Defence and Security event in London this year to introduce two new Travelling Wave Tube (TWT) based microwave power modules (MPMs), the PTX8110, 6-18 GHz, 200 W unit and the PTX8815, Ka band, 1100 W unit.

Compact high power for radar

The new PTX8110 operates from 6-18 GHz at 200 W and, with its compact design, is easily integrated into those high performance electronic warfare (EW) and radar systems requiring higher power.

Comprising a high power helix TWT and switched mode power supply, the PTX8110 forms a single ‘drop-in’ microwave amplifier unit without the need for potentially unreliable high voltage TWT interconnections. A low gain TWT is specified together with a low noise solid state preamplifier to provide optimum noise performance. It features high electrical efficiency, needs a minimum of cooling and operates over a wide temperature range – at high altitude and high humidity,

Ka band MPM for high performance radar

The new PTX8815 TWTA is designed for Ka band radar applications such as naval fire control. Featuring broadband capability, covering 34 GHz–36 GHz, it offers a peak power of over 1100 W in the mid-band, and 600 W at the band edges with a maximum duty of up to 12%. This top class TWTA is the answer to high fidelity radar requirements for low close-to-carrier phase noise and spurious performance. This development follows the launch last year of the PTX8807 Ka band, 200 W MPM which is aimed primarily at EW applications and which will also be featured at this year’s show.

Also on show

Emphasising its capability in advanced solid state innovation, TMD will be exhibiting the PTS6900 MPM – which employs the latest GaN MMIC technology. This MPM is optimised for EW/ECM systems and operates over the 2-6 GHz range with a power output of 150 W and adjustable 55 dB gain. It features a very high predicted MTBF in an airborne uninhabited fighter environment.

Offering very low volume and weight, TMD’s TWT based PTXM Series are designed for airborne radar, EW and communications and are ideal for UAVs. They operate over the 4.5 to 18 GHz range with output powers up to 140 W. Incorporating mini TWTs and super efficiency packaging, they offer probably the highest power density on the market today.

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