A communications receiver comprising: an analog front end including a plurality of analog to digital converter "ADC" circuits (116, 116A, 116B, 116C, 116D); wherein the plurality of ADC circuits (116, 116A, 116B, 116C, 116D) are operational when the communications receiver is configured to process signals of a first communications protocol, and wherein only a subset of the ADC circuits (116, 116A, 116B, 116C, 116D) are operational when the communications receiver is configured to process signals of a second communications protocol characterized in that the communication receiver further comprises: a first sub-circuit coupled to an output of the plurality of ADCs (116, 116A, 116B, 116C, 116D), the first sub-circuit being operational when the communications receiver is configured to process signals of the first communications protocol and being turned off when the communications receiver is configured to process signals of the second communications protocol; and a second sub-circuit coupled to the analog front end, the second sub-circuit being operational when the communications receiver is configured to process signals of the second communications protocol and being turned off when the communications receiver is configured to process signals of the first communications protocol. an analog front end including a plurality of analog to digital converter "ADC" circuits (116, 116A, 116B, 116C, 116D); wherein the plurality of ADC circuits (116, 116A, 116B, 116C, 116D) are operational when the communications receiver is configured to process signals of a first communications protocol, and wherein only a subset of the ADC circuits (116, 116A, 116B, 116C, 116D) are operational when the communications receiver is configured to process signals of a second communications protocol characterized in that the communication receiver further comprises: a first sub-circuit coupled to an output of the plurality of ADCs (116, 116A, 116B, 116C, 116D), the first sub-circuit being operational when the communications receiver is configured to process signals of the first communications protocol and being turned off when the communications receiver is configured to process signals of the second communications protocol; and a second sub-circuit coupled to the analog front end, the second sub-circuit being operational when the communications receiver is configured to process signals of the second communications protocol and being turned off when the communications receiver is configured to process signals of the first communications protocol. a first sub-circuit coupled to an output of the plurality of ADCs (116, 116A, 116B, 116C, 116D), the first sub-circuit being operational when the communications receiver is configured to process signals of the first communications protocol and being turned off when the communications receiver is configured to process signals of the second communications protocol; and a second sub-circuit coupled to the analog front end, the second sub-circuit being operational when the communications receiver is configured to process signals of the second communications protocol and being turned off when the communications receiver is configured to process signals of the first communications protocol.