90-deg. Hybrid Coupler Transforms Impedances

July 24, 2008

Innovative Power Products has released model IPP-4011, a low-loss patent-pending 90-deg. hybrid coupler that transforms an impedance of 25 ohms to a characteristic impednace of 50 ohms. It can be used from 1.0 to 2.5 GHz with less than 0.5 dB insertion loss and less than 1.30:1 VSWR. Phase balance is within +/-5 deg. while amplitude balance is within +/-0.9 dB. The rugged coupler, which is rated for operating temperatures from -55 to +85C, can handle power levels to 300 W. It also provides better than 14 dB isolation. It measures 2.20 x 0.80 x 0.23 in. with silver-plated leads.

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.