Combiner Joins L1, L2 GPS Signals

Nov. 12, 2009
Also designed for GPS applications, model AD1227-1575C102 from Anatech Electronics is a power combiner targeting L1 and L2 signals. It covers an L-band center frequency of 1227.6 MHz with a passband of 1215.6 to 1239.6 MHz. It contributes more than 20 dB ...

Also designed for GPS applications, model AD1227-1575C102 from Anatech Electronics is a power combiner targeting L1 and L2 signals. It covers an L-band center frequency of 1227.6 MHz with a passband of 1215.6 to 1239.6 MHz. It contributes more than 20 dB signal rejection from 1525 to 1559 MHz. It handles an L2 center frequency of 1575.42 MHz with a passband of 1563.52 to 1587.42 MHz, achieving more than 60 dB signal rejection from 1626.5 to 1660.5 MHz. The passband insertion loss is less than 1 dB while passband return loss is greater than 15 dB. Group-delay variations are controlled to a mere 5 ns in both bands. The signal combiner, which can handle input power to +35 dBm, measures 3.2 x 2.2 x 1.6 in. with SMA female connectors.

About the Author

Jack Browne | Technical Contributor

Jack Browne, Technical Contributor, has worked in technical publishing for over 30 years. He managed the content and production of three technical journals while at the American Institute of Physics, including Medical Physics and the Journal of Vacuum Science & Technology. He has been a Publisher and Editor for Penton Media, started the firm’s Wireless Symposium & Exhibition trade show in 1993, and currently serves as Technical Contributor for that company's Microwaves & RF magazine. Browne, who holds a BS in Mathematics from City College of New York and BA degrees in English and Philosophy from Fordham University, is a member of the IEEE.

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