Microwave cross-guide couplers

17 September 2008 Telecoms, Datacoms, Wireless, IoT

Link Microtek has expanded its AMX range of waveguide cross-guide couplers, which are designed for monitoring microwave power in space-restricted systems. Available in 16 different rectangular waveguide sizes covering frequencies from 1 to 40 GHz, these compact couplers are suitable for use in applications ranging from commercial satellite communication systems to military radar.

The new additions to the AMX range include reduced-weight devices that are produced in aluminium and precise power monitoring units featuring a high directivity of 20 dB over reduced bandwidths. For high power applications, units can now be provided with coupling factors up to 60 dB from lower frequencies (1 GHz) to millimetre-wave frequencies (26,5 to 40 GHz), while for minimum space requirements, ultra-short mainline units are available, eg, just 50 mm for a WR90 coupler.

All models in the AMX series feature a flat coupling response over half waveguide bandwidth, with a mean coupling of ±0,5 dB, a frequency sensitivity of ±1 dB, a minimum directivity of 15 dB and a low mainline VSWR of 1,06:1. The devices can be specified with a wide choice of connector types, including APC7, APC3.5, SMA, N, TNC, SSMA, K and waveguide flange outputs.

For more information visit www.linkmicrotekeng.com

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