Title:
RADIO FREQUENCY RECEIVING CIRCUIT HAVING A PASSIVE MONOPULSE COMPARATOR
Document Type and Number:
WIPO Patent Application WO2002012916
Kind Code:
A9
Abstract:
A passive MMIC monopluse comparator includes a plurality of lumped element hybrids having pi an T filter structures. In one embodiment, a first hybrid receives first and second downcoverted signals and provides a first output signal to a third hybrid and second output signal to a fourth hybrid. A second hybrid receives third and fourth downcoverted signals and provides respective third and fourth output signals to the third and fourth hybrids. The third hybrid provides sum and elevation channel signals and the fourth hybrid provides azimuth and Q channel signals.
Inventors:
SWEENEY ANTHONY
HEBEISEN MARK A
FORBES ANDREW B
GINGRAS RAY
TOTH JOHN
DELCHECCOLO MICHAEL J
LAFAVE GEORGE
LICCIARDELLO JOSEPH
HEBEISEN MARK A
FORBES ANDREW B
GINGRAS RAY
TOTH JOHN
DELCHECCOLO MICHAEL J
LAFAVE GEORGE
LICCIARDELLO JOSEPH
Application Number:
PCT/US2001/020573
Publication Date:
May 21, 2004
Filing Date:
June 28, 2001
Export Citation:
Assignee:
RAYTHEON CO (US)
International Classes:
G01S7/03; G01S7/40; G01S13/44; H01P1/387; H01Q3/26; H01Q25/02; H01Q25/04; H03H7/01; (IPC1-7): G01S13/44; H03H7/52
Download PDF: