专利汇可以提供Circuit for accurate tuning of a yittrium iron garnet (yig) filter专利检索,专利查询,专利分析的服务。并且The magnetically tuned broadband YIG filter characterized by a predetermined passband at its half power points has a plurality of marker frequencies spaced apart by the width of the passband applied to its input while the magnetic tuning flux is varied in programmed fashion. Detector circuitry connected to the filter output produces a beat frequency equal to the frequency span of the passband each time the filter''s half power points are brought into coincidence with a pair of the marker frequencies. A programmed tuning logic circuit keeps track of the number of coincidences of the half power points and successive marker frequency pairs tuned through and automatically halts the flux variation when the filter is tuned to the programmed marker frequency pair. The tuning circuitry can be disconnected after the tuning operation.,下面是Circuit for accurate tuning of a yittrium iron garnet (yig) filter专利的具体信息内容。
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