H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 27/22 (2006.01) H03D 9/04 (2006.01) H04L 27/38 (2006.01)
Patent
CA 2291848
A demodulator for modulated RF signals comprises a passive four port structure (1). The four port structure (1) has a first input (3) for supplying a modulated RF signal to be demodulated. A second input (2) is supplied with a RF signal from a local oscillator (21). Two output terminals are connected to power sensors (4, 5). The RF signal from the local oscillator (21) is supplied to the second input (3) of the four port structure (1) without being RF switched by RF switch. The demodulator is particularly useful for modulation schemes with a finite number of magnitude states (nQAM modulation).
Abe Masayoshi
Brankovic Veselin
Dolle Thomas
Konschak Tino
Krupezevic Dragan
Gowling Lafleur Henderson Llp
Sony Corporation
Sony Deutschland Gmbh
Sony International (europe) Gmbh
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