专利名称：A TRANSMITTER AND A METHOD FOR
TRANSMITTING DATA
发明人：MURDOCH, Graham, Alexander,
Munro,LITTLECHILD, Stuart, Colin
申请号：EP98960933.4申请日：19981224公开号：EP1048126B1公开日：20060802
摘要：An excitation reference source (Fc) is split through a 90 degree splitter. Oneoutput from the splitter is fed to the LO port of a mixer. Data is fed to the mixer's IF portand causes PRK modulation of the LO port's signal. The output of the mixer at the RFport is a PRK modulated quadrature signal. This is attenuated and added back onto thereference by a zero degree combiner ready for transmission to the transponder.
申请人：MAGELLAN TECH PTY LTD
地址：AU
国籍：AU
代理机构：McLeish, Nicholas Alistair Maxwell
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