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Dual and Tri-Directional Couplers

Tue, 04/29/2003 - 7:36am

The 722-30-0.892 dual directional coupler is suited for Tx applications (869 - 894 MHz and 925 - 960 MHz) and measures 4.50 inches× 2.00 inches× 0.88 inches. This 30 dB model has typical insertion loss of 0.05 dB and VSWR of 1.05:1, directivity of 35 dB, port-to-port tracking of 0.2 dB and coupling flatness of 0.1 dB. The 723-20-0.875 is a 20 dB tri-coupler for Rx applications (824 - 849 MHz and 880 - 915 MHz) with an extra reverse port for injection signals. It measures 5.24 inches× 2.00 inches× 0.88 inches and has a typical insertion loss of 0.2 dB and VSWR of 1.05:1, directivity of 35 dB, port-to-port tracking of 0.2 dB (between all three ports), and isolation of 80 dB between reverse ports.

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