Satellite digital broadcast receiver with words information broadcast receiving function
A technology of satellite digital broadcasting and text information, applied in broadcasting receiving circuits, electrical components, transmission systems, etc., can solve the problems of difficult to control, poor sensitivity, it must be adjusted every once in a while, and poor anti-interference, etc. The effect of powerful error correction ability
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[0013] Below in conjunction with accompanying drawing, technical scheme of the present invention is described in detail:
[0014] like figure 1 As shown, the present invention includes a satellite receiving public module 1, a voice broadcasting module 2, and a text information broadcasting module 3, and the signal output terminals of the satellite receiving public module 1 and the text information broadcasting module 3 are respectively connected with the signal input terminal of the voice broadcasting module 2. connection; the satellite receiving public module 1 includes an L-band tuner demodulator 11, a QPSK decoder 12, and the signal output end of the L-band tuner demodulator 11 is connected with the signal input end of the QPSK decoder 12; voice broadcasting module 2 includes a voice broadcast data parser 21, a voice restoration power amplifier output 22, the signal output end of the QPSK decoder 12 is connected with the signal input end of the voice broadcast data parser 2...
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