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1. AU2006223156 - Switched multiplexer method to combine multiple broadband RF sources

Office Australia
Application Number 2006223156
Application Date 13.03.2006
Publication Number 2006223156
Publication Date 04.10.2007
Publication Kind A1
IPC
H04B 15/00
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
15Suppression or limitation of noise or interference
CPC
H04B 1/44
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
1Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
38Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
40Circuits
44Transmit/receive switching
Applicants Northrop Grumman Corporation
Agents Griffith Hack
Priority Data 11/079,796 null US
Title
(EN) Switched multiplexer method to combine multiple broadband RF sources
Abstract
(EN)
Provided is a switched multiplexer configured to combine first, second, third and fourth signal paths each covenng a sub-octave in a frequency range of from about 2 to about 18 GHz and to remove transmitter harmonics of an input signal to create a stable output impedance across the frequency range The switched multiplexer comprises a transmit switch, a first diplexer and a power combiner The first diplexer is connected in parallel with a second diplexer The first diplexer comprises first and second signal paths The second diplexer compπses third and fourth signal paths Each one of the first, second and third signal paths include respective ones of the first switch, a second switch and a third switch, each interconnected to respective ones of a first signal path high-pass filter, second signal path low-pass filter and third signal path low-pass filter by respective ones of a first, second and third filter