Diplexer Satisfies WiMAX And WiFi Applications

Feb. 26, 2009
Using a "tuned-by-design" approach, one diplexer vows to separate or combine all of the cellular wireless frequency bands from the WiMAX and WiFi bands above 3 GHz. Thanks to the elimination of the high cost of manual tuning used in conventional designs, ...

Using a "tuned-by-design" approach, one diplexer vows to separate or combine all of the cellular wireless frequency bands from the WiMAX and WiFi bands above 3 GHz. Thanks to the elimination of the high cost of manual tuning used in conventional designs, unit cost is kept low. The diplexer, dubbed the BK-26N, maintains greater than 50 dB isolation between bands. Passive intermodulation (PIM) is specified at less than or equal to -150 dBc. Guaranteed performance to -160 dBc is available with an additional testing charge. Such performance is more than sufficient for most applications, such as sharing a common antenna or in a distributed antenna system. The low band extends from 380 to 2700 MHz, incorporating Tetra to the proposed new LTE bands up to 2700 MHz. The high band3300 to 6000 MHzincludes all proposed WiMAX bands and the WiFi to IEEE 802.11a. P&A: available now.

About the Author

Nancy Friedrich | RF Product Marketing Manager for Aerospace Defense, Keysight Technologies

Nancy Friedrich is RF Product Marketing Manager for Aerospace Defense at Keysight Technologies. Nancy Friedrich started a career in engineering media about two decades ago with a stint editing copy and writing news for Electronic Design. A few years later, she began writing full time as technology editor at Wireless Systems Design. In 2005, Nancy was named editor-in-chief of Microwaves & RF, a position she held (along with other positions as group content head) until 2018. Nancy then moved to a position at UBM, where she was editor-in-chief of Design News and content director for tradeshows including DesignCon, ESC, and the Smart Manufacturing shows.

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