Configurable multiple mode RFIC
An integrated circuit (IC) includes a baseband processing module and a radio frequency (RF) section. The baseband processing module is coupled to convert outbound data or an outbound voice signal into at least one of amplitude modulation information, phase modulation information, and frequency modulation information. The RF section includes an oscillation module, a frequency divider, and power amplifier modules. The oscillation module produces an RF oscillation that it modulates based on the phase or frequency modulation information to produce a modulated RF signal. The frequency divider divides the frequency of the modulated RF signal to produce a frequency divided modulated RF signal. The first power amplifier module amplifies the modulated RF signal in accordance with the amplitude modulation information or a constant to produce a first frequency band outbound RF data or voice signal. The second power amplifier amplifies the frequency divided modulated RF data signal in accordance with the amplitude modulation information or a constant to produce a second frequency band outbound RF data or voice signal.
1. An integrated circuit (IC) comprises:
a baseband processing module coupled to:
convert outbound data into at least one of first frequency band outbound data amplitude modulation information, first frequency band outbound data phase modulation information, and first frequency band outbound data frequency modulation information when the IC is in a first frequency band data mode;
convert the outbound data into at least one of second frequency band outbound data amplitude modulation information, second frequency band outbound data phase modulation information, and second frequency band outbound data frequency modulation information when the IC is in a second frequency band data mode;
convert an outbound voice signal into at least one of first frequency band outbound voice amplitude modulation information, first frequency band outbound voice phase modulation information, and first frequency band outbound voice frequency modulation information when the IC is in a first frequency band voice mode; and
convert the outbound voice signal into at least one of second frequency band outbound voice amplitude modulation information, second frequency band outbound voice phase modulation information, and second frequency band outbound voice frequency modulation information when the IC is in a second frequency band voice mode; and
a radio frequency (RF) section that includes:
an oscillation module coupled to convert a reference oscillation into a first frequency band oscillation and a second frequency band oscillation;
a first modulation module coupled to modulate the first frequency band oscillation in accordance with at least one of the first frequency band outbound voice frequency modulation information, the first frequency band outbound voice phase modulation information, the first frequency band outbound data frequency modulation information, and the first frequency band outbound data phase modulation information to produce a first frequency band modulated RF signal;
a second modulation module coupled to modulate the second frequency band oscillation in accordance with at least one of the second frequency band outbound voice frequency modulation information, the second frequency band outbound voice phase modulation information, the second frequency band outbound data frequency modulation information, and the second frequency band outbound data phase modulation information to produce a second frequency band modulated RF signal;
a first power amplifier module coupled to amplify the first frequency band modulated RF data signal in accordance with at least one of the first frequency band outbound voice amplitude modulation information and the first frequency band outbound data amplitude modulation information to produce at least one of a first frequency band outbound RF voice signal and a first frequency band outbound RF data signal; and
a second power amplifier module coupled to amplify the second frequency band modulated RF data signal in accordance with at least one of the second frequency band outbound voice amplitude modulation information and the second frequency band outbound data amplitude modulation information to produce at least one of a second frequency band outbound RF voice signal and a second frequency band outbound RF data signal.
2. The IC of claim 1 , further comprises:
the RF section coupled to:
convert a first frequency band inbound RF voice signal into at least one of inbound voice amplitude modulation information, inbound voice phase modulation information, and inbound voice frequency modulation information when the IC is in the first frequency band mode of the voice mode;
convert a second frequency band inbound RF voice signal into the at least one of inbound voice amplitude modulation information, inbound voice phase modulation information, and inbound voice frequency modulation information when the IC is in the second frequency band mode of the voice mode;
convert a first frequency band inbound RF data signal into at least one of inbound data amplitude modulation information, inbound data phase modulation information, and inbound data frequency modulation information when the IC is in the first frequency band mode of the data mode; and
convert a second frequency band inbound RF data signal into the at least one of inbound data amplitude modulation information, inbound data phase modulation information, and inbound data frequency modulation information when the IC is in a second frequency band mode of the data mode;
a baseband processing module coupled to:
convert the at least one of inbound data amplitude modulation information, inbound data phase modulation information, and inbound data frequency modulation information into inbound data when the IC is in the data mode; and
convert the at least one of inbound voice amplitude modulation information, inbound voice phase modulation information, and inbound voice frequency modulation information when the IC is in the voice mode.
3. The IC of claim 1 , wherein the oscillation module comprises:
an oscillating circuit coupled to convert the reference oscillation into an oscillation;
a first frequency divider coupled to divide frequency of the oscillation to produce the first frequency band oscillation; and
a second frequency divider coupled to divide frequency of the first frequency band oscillation to produce the second frequency band oscillation.
4. The IC of claim 1 , further comprises:
the first modulation module including:
a first mixing module coupled to mix the first frequency band oscillation with the at least one of the first frequency band outbound voice frequency modulation information, the first frequency band outbound voice phase modulation information, the first frequency band outbound data frequency modulation information, and the first frequency band outbound data phase modulation information to produce a first frequency band mixed signal; and
a first filter module coupled to filter the first frequency band mixed signal to produce the first frequency band modulated RF signal; and
the second modulation module including:
a second mixing module coupled to mix the second frequency band oscillation with the at least one of the second frequency band outbound voice frequency modulation information, the second frequency band outbound voice phase modulation information, the second frequency band outbound data frequency modulation information, and the second frequency band outbound data phase modulation information to produce a second frequency band mixed signal; and
a second filter module coupled to filter the second frequency band mixed signal to produce the second frequency band modulated RF signal.
5. The IC of claim 1 , wherein the baseband processing module is further coupled for at least one of:
converting the outbound data into the first or second frequency band outbound data amplitude modulation information and the first or second frequency band outbound data phase modulation information in accordance with an Enhanced Data for GSM Evolution (EDGE) protocol; and
converting the outbound data into the first or second frequency band outbound data frequency modulation information in accordance with a General Packet Radio Service (GPRS) protocol.
6. The IC of claim 1 , wherein the baseband processing module is further coupled for at least one of:
converting the outbound voice signal into the first or second frequency band outbound voice frequency modulation information in accordance with a Global System for Mobile Communications (GSM) protocol; and
converting the outbound voice signal into the first or second frequency band outbound voice phase modulation information in accordance with a code division multiple access (CDMA) protocol.