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A SWITCHABLE ANTENNA CIRCUIT FOR TELEVISION PROVIDING FOR RECEPTION OF UHF AND VHF SIGNALS UTILIZING A SINGLE BUILT-IN MONOPOLE ANTENNA OR TWO EXTERNAL ANTENNAS
A SWITCHABLE ANTENNA CIRCUIT FOR TELEVISION PROVIDING FOR RECEPTION OF UHF AND VHF SIGNALS UTILIZING A SINGLE BUILT-IN MONOPOLE ANTENNA OR TWO EXTERNAL ANTENNAS
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机译：用于电视的可切换天线电路，利用单个内置单极天线或两个外部天线接收UHF和VHF信号
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摘要
A television receiver for UHF and VHF television reception includes a built-in monopole antenna and first and second pairs of external antenna terminals for connection to external UHF and VHF antennas, respectively. A switch is provided which is operative in a first position to connect the monopole antenna through the input circuitry of the UHF tuner to the VHF tuner so that the monopole antenna provides UHF and VHF television signal inputs to UHF and VHF tuners. In the second position, the first and second pairs of external antenna terminals are individually connected to the appropriate one of the UHF and VHF tuners.
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