摘要:
The gain control method for the RF and IF amplification stages of a bursty data frame reception system enables, following a step for evaluating the received signal strength, the gain adjustment step of the RF amplification stage to be temporarily deferred until a frame structure symbol is received, during which the gain adjustment step of the IF amplification stage takes place simultaneously with that of the RF gain, while retaining an overall gain linearly dependent on the input signal strength. The corresponding device comprises a control element 46 which generates the control signal for the RF and IF gain amplifiers
摘要:
The gain control method for the RF and IF amplification stages of a bursty data frame reception system enables, following a step for evaluating the received signal strength, the gain adjustment step of the RF amplification stage to be temporarily deferred until a frame structure symbol is received, during which the gain adjustment step of the IF amplification stage takes place simultaneously with that of the RF gain, while retaining an overall gain linearly dependent on the input signal strength. The corresponding device comprises a control element 46 which generates the control signal for the RF and IF gain amplifiers
摘要:
The proposed process makes it possible to noticeably and dynamically increase the operational frequency band of a wideband emission/reception device without performance degradation, this thanks to the implementation of a particular architecture and a judicious distribution of the technical constraints over the analogue and digital sub-assemblies of a user terminal.
摘要:
The proposed process makes it possible to noticeably and dynamically increase the operational frequency band of a wideband emission/reception device without performance degradation, this thanks to the implementation of a particular architecture and a judicious distribution of the technical constraints over the analogue and digital sub-assemblies of a user terminal.