发明名称 A METHOD OF SUBCARRIER MULTIPLICATION WHICH PRESERVES AM INFORMATION IN FM SYSTEMS
摘要 <p>A multiplication circuit for use in an FM television transmitter and receiver is provided. The multiplication circuit includes a limiting circuit for limiting a subcarrier supplied thereto and a dividing circuit coupled to the limiting circuit and dividing theoutput of the limiting circuit by a predetermined factor. A mixer is coupled to the dividing circuit and mixes the output of the dividing circuit with the subcarrier.</p>
申请公布号 WO1991001611(A1) 申请公布日期 1991.02.07
申请号 US1990003942 申请日期 1990.07.18
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