| 摘要 |
A satellite broadcasting receiver and a multi-broadcasting receiving system are provided to prevent an inter-modulation distortion component or a harmonic component of cable broadcasting from being inputted into a satellite broadcasting tuner, thereby improving the quality of satellite broadcasting. A filter(110) passes a first frequency band corresponding to a frequency band of a satellite broadcasting signal, and removes a frequency band lower than the first frequency band. A low noise amplifier(120) amplifies the satellite broadcasting signal from the filter. A satellite broadcasting tuner(140) converts an RF signal, which corresponds to a selection channel among a plurality of channels included in RF signals from the low noise amplifier, into an IF signal.
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