Abstract: A mobile phone with a FM antenna structure having improved FM performance in a mobile phone. The mobile phone includes a printed FM antenna having a planar structure less than a planar area of the mobile phone, a conductive layer providing a ground plane to the printed FM antenna, the conductive adjacent the printed FM antenna in an electrostatic field relation; and a battery having a planar surface positioned adjacent an opposite side of the conductive layer. The planar structure of the printed FM antenna and the planar surface of the battery are substantially parallel to each other in a spaced-apart relation improving the FM performance of the printed FM antenna.

Abstract: An FM receiver including an FM antenna that receives continuous wavelength signals, where the FM receiver is coupled to the FM antenna and operable to alter a center frequency of a gain profile of the FM antenna. The FM receiver includes a low noise amplifier module that is coupled to amplify the continuous wavelength signal to produce an amplified RF signal therefrom. A down conversion module is coupled to mix the amplified RF signal with a local oscillation to produce an information signal. A filter module is coupled to filter the information signal to produce a filtered information signal. A demodulation module is coupled to capture audio information from the filtered information signal. A signal monitoring module is coupled to monitor the FM signal quality of a received continuous wavelength signal. The signal monitoring module produces a signal quality indication therefrom.

Abstract: An integrated circuit radio transceiver and method therefor includes capacitive loop filter with selectable capacitive elements that are operable to adjust a signal level provided to a voltage controlled oscillator to control a frequency of an output signal of the oscillator. A plurality of switches are controlled by logic to define a discharge mode, a charge mode and charge sharing mode in which a plurality of capacitive elements share charge while generating the input voltage to the oscillator.

Abstract: An integrated circuit radio transceiver and method therefor includes a parallel resistive circuit that provides high resolution to resistive circuitry in a hardware efficient manner for use in a plurality of applications including active filters requiring a precise bandwidth, voltage sources that require a precise voltage output, and current sources that require a precise current output source. The parallel resistive circuit includes at least one base resistive device, whose resistive value may be selectable, in parallel with a plurality of selectable circuit paths, each having a plurality of series coupled resistive values formed in an approximate location of the integrated circuit to reduce process variations. The paths are selectable by logic to provide a desired operational characteristic.

Abstract: An integrated circuit radio transceiver and method therefor includes capacitive loop filter with selectable capacitive elements that are operable to adjust a signal level provided to a voltage controlled oscillator to control a frequency of an output signal of the oscillator. A plurality of switches are controlled by logic to define a discharge mode, a charge mode and charge sharing mode in which a plurality of capacitive elements share charge while generating the input voltage to the oscillator.

Abstract: An adjustable power amplifier includes an input capacitor, an input transistor, an inductor, an output capacitor, and a gain module. The input capacitor includes a first plate and a second plate, wherein the first plate of the input capacitor is operably coupled to receive an input radio frequency (RF) signal. The input transistor includes a gate, a drain, and a source, wherein the gate of the input transistor is operably coupled to the second plate of the input capacitor and the source of the input transistor is operably coupled to a circuit ground. The inductor includes a first node and a second node, wherein the first node of the inductor is operably coupled to a power supply and the second node of the inductor is operably coupled to the drain of the input transistor.

Abstract: A method for compensating a power amplifier based on operational-based changes begins by measuring one of a plurality of operational parameters of the power amplifier to produce a measured operational parameter. The method continues by comparing the measured operational parameter with a corresponding one of a plurality of desired operational parameter settings. The method continues by, when the comparing of the measured operational parameter with the corresponding one of a plurality of desired operational parameter settings is unfavorable, determining a difference between the measured operational parameter and the corresponding one of a plurality of desired operational parameter settings. The method continues by calibrating the one of the plurality of operational settings based on the difference.

Abstract: A local oscillation generator includes a clock circuit, a first divide module, a first mixing module, a second divide module, and a second mixing module. The clock circuit is operably coupled to generate a first clock signal. The first divide module is operably coupled to divide rate of the first clock signal by a first factor to produce a second clock signal. The first mixing module is operably coupled to mix the first clock signal and the second clock signal to produce a first local oscillation. The second divide module is operably coupled to divide rate of the second clock signal by a second factor to produce a third clock signal. The second mixing module is operably coupled to mix the first clock signal and the third clock signal to produce a second local oscillation.

Abstract: A precision tunable VCO includes a bias transistor, a first inductor, a second inductor, a first input transistor, a second input transistor, a first capacitor, a second capacitor, a first precision tune capacitor circuit, and a second precision tune capacitor circuit. The bias transistor, the first and second inductors, the first and second input transistors, and the first and second capacitors are operably coupled to produce a differential output oscillation. The first precision tune capacitor circuit is operably coupled to the first leg of the differential output oscillation, wherein the first precision tune capacitor circuit provides a first precision capacitance value based on a calibration signal.

Abstract: An on-chip loop filter includes a 1st resistor, a 1st capacitor, a 2nd capacitor, a 3rd capacitor, a 2nd resistor, and a 4th capacitor. The 1st resistor is operably coupled to receive a charge pump output. The 1st capacitor is coupled in series with the 1st resistor where the second node of the 1st capacitor is coupled to a return. The 2nd capacitor is coupled in parallel with the series combination of the 1st resistor and 1st capacitor. The 3rd capacitor is coupled in parallel with the 2nd capacitor. The 2nd resistor is coupled to a node of the 3rd capacitor and to a node of the 4th capacitor. The other node of the 4th capacitor is coupled to ground.