专利名称：Television tuner发明人：Masaki Yamamoto申请号：US09324520申请日：19990602公开号：US06483552B1公开日：20021119
专利附图：
摘要：This television tuner comprises a mixer for frequency converting each of atelevision signal and an FM broadcasting signal into an intermediate signal, a local
oscillator for outputting a local oscillation signal to the mixer, and a PLL circuit for settingthe frequency of the local oscillation signal in correspondence with the frequency of the
television signal or the frequency of the FM broadcasting signal. The step frequency ofthe PLL circuit in the event of receiving the television signal and that in the event ofreceiving the FM broadcasting signal are made different. The step frequency in the eventof receiving the television signal is set to 31.25 kHz and that in the event of receiving theFM broadcasting signal is set to 50 kHz.
申请人：ALPS ELECTRIC CO., LTD.
代理机构：Brinks Hofer Gilson & Lione
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