Wideband High Isolation Circulator Network
Patent, Filed 8 Mar 96, patented 29 Sep 98
DEPARTMENT OF THE NAVY WASHINGTON DC
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An isolation circulator network includes three circulators and a 180 degree hybrid coupler for isolating an RF transmitter from a nearby RF receiver. The isolation circulator network comprises a first circulator for transforming a first RF signal, RF1, into a second RF signal, RF2 and a third RF signal, RF3 a second circulator for throughputting the third RF signal a third circulator for transforming the second RF signal into a fourth RF signal, RF4, and a fifth RF signal, RF5, and for throughputting a sixth RF signal, RF6 and a 180-degree hybrid coupler which provides a seventh RF signal, RF7 in response to receiving the third, fifth, and sixth RF signals, where RF7RF5-RF3RF6.
- Radio Communications