Multiple band direct conversion radio frequency transceiver integrated circuit

A multiple band direct conversion radio frequency (RF) transmitter integrated circuit (IC) comprises:

• a transmit baseband module operably coupled to receive an outbound in-phase baseband signal component and an outbound quadrature baseband signal component of an outbound baseband signal, wherein the transmit baseband module performs at least one of filtering, analog to digital conversion, gain adjust, and phase adjust on the outbound in-phase signal component and the outbound quadrature signal component to produce a baseband processed outbound in-phase baseband signal component and a processed quadrature baseband signal component;
• a multiple frequency band transmission module operably coupled to convert the processed outbound in-phase baseband signal component and the processed quadrature baseband signal component into an outbound RF signal having a first RF carrier frequency within a first frequency band in accordance with a first band local oscillation when the multiple band direct conversion RF transmitter IC is in a first mode and operably coupled to convert the processed outbound in-phase baseband signal component and the processed quadrature baseband signal component into an outbound RF signal having a second RF carrier frequency within a second frequency band in accordance with a second band local oscillation when the multiple band direct conversion RF transmitter IC is in a second mode;
• and
• a local oscillation generation module operably coupled to generate the first frequency band local oscillation when the multiple band direct conversion RF transmitter IC is in the first mode and operably coupled to generate the second frequency band local oscillation when the multiple band direct conversion RF transmitter IC is in the second mode.

A multiple band direct conversion radio frequency (RF) receiver integrated circuit (IC) comprises:

• a multiple frequency band reception module operably coupled to convert an inbound RF signal having a first RF carrier frequency within the first frequency band into an inbound in-phase baseband signal component and an inbound quadrature baseband signal component in accordance with the first band local oscillation when the multiple band direct conversion RF receiver IC is in the first mode and operably coupled to convert an inbound RF signal having a second RF carrier frequency within the second frequency band into the inbound in-phase baseband signal component and the inbound quadrature baseband signal component into in accordance with the second band local oscillation when the multiple band direct conversion RF receiver IC is in the second mode;
• a receiver baseband module operably coupled to receive the inbound in-phase baseband signal component and the inbound quadrature baseband signal component, wherein the receive baseband module performs at least one of filtering, analog to digital conversion, gain adjust, phase adjust, and received signal strength measurement on the inbound in-phase baseband signal component and the inbound quadrature baseband signal component to produce a processed inbound in-phase baseband signal component and a processed inbound quadrature baseband signal component;
• and
• a local oscillation generation module operably coupled to generate the first frequency band local oscillation when the multiple band direct conversion RF receiver IC is in the first mode and operably coupled to generate the second frequency band local oscillation when the multiple band direct conversion RF receiver IC is in the second mode.