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Baseband Processor:

·        The purpose of the Baseband Generator module is to provide, for the modulation type currently in effect, properly formatted baseband signals to the modulation circuits on the RF Source modules.

·        The Baseband Generator performs several functions related to the generation and processing of these base-band modulation signals. These are:

·        Transform data and clock signals from the Protocol Processor module into base-band analog I/Q modulation signals for the I/Q modulator in the Vector Output module

·        Transform data from the Protocol Processor module into baseband FSK modulation for the FM modulator in the Signal Generator module

·        Provide baseband FM path source selection, gain adjustment and summing node for analog FM signals from the Audio module and internally generated baseband FSK signals which are output to the FM modulator in the Signal Generator module

·        Transform burst and adjacent timeslot signals from the Protocol Processor module into baseband burst modulation signals for the burst modulator in the Vector Output module

 

                                                          Figure4.4

 

 

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                                                                  Figure4.5

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                                                                            Figure 4.6