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Miniature Dual-Loop Coupler

Miniature Dual-Loop Coupler
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The new AM90CD-LP miniature narrowband dual-loop coupler enables designers to incorporate forward and reverse power monitoring in military or commercial microwave systems that are subject to tight space constraints. With flange dimensions of 41.5 x 41.5mm and a waveguide length of just 33.6mm, the device is an ideal alternative to much larger conventional broadband couplers. It features a rugged construction and is particularly suitable for airborne applications as it is fabricated from lightweight aluminum and can be pressurized up to 30psig if required. The unit can be specified with any standard size of waveguide, allowing it to be used for a wide range of system operating frequencies. As a dual-loop device, it monitors both forward and reverse power at the same time, utilizing the two SMA ports on each side, one of which is fitted with a termination. Capable of handling 15kW peak power and 400W average power, the AM90CD-LP delivers a nominal coupling factor of 40 dB.   

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