| Patent Number |
Title Of Patent |
Date Issued |
| 7555263 |
Adaptive radio transceiver |
June 30, 2009 |
| An exemplary embodiment of the present invention described and shown in the specification and drawings is a transceiver with a receiver, a transmitter, a local oscillator (LO) generator, a controller, and a self-testing unit. All of these components can be packaged for integration in |
| 7551901 |
Linear high powered integrated circuit amplifier |
June 23, 2009 |
| A linear high powered integrated circuit amplifier includes a plurality of power amplifiers, balanced integrated circuit coupling, and a combining circuit. The balanced integrated circuit coupling couples a signal to the plurality of power amplifiers to the up-conversion module such that |
| 7522891 |
High frequency peak power detection circuit |
April 21, 2009 |
| A digital high frequency power detection circuit includes a peak detecting circuit and a peak computing circuit. The peak detecting circuit is operably coupled to detect a peak value of a high frequency signal and includes an amplifier, transistor, and capacitor. The amplifier has a |
| 7496343 |
Programmable mixer for reducing local oscillator feedthrough and radio applications thereof |
February 24, 2009 |
| A state of a programmable mixer is set during a calibration phase to minimize local oscillator feedthrough. During a calibration phase, inputs to the programmable mixer are set to zero, or to a known state and the local oscillator is set to a calibration frequency. Then, one of a plu |
| 7447275 |
IF FSK receiver |
November 4, 2008 |
| In one embodiment, the present invention is a low-power, and high performance receiver including an IF demodulator for high data rate, frequency modulated systems, such as Bluetooth. The IF demodulator is implemented in analog domain for simplicity and lower power consumption and ope |
| 7356310 |
Adaptive radio transceiver with floating MOSFET capacitors |
April 8, 2008 |
| An exemplary embodiment of the present invention described and shown in the specification and drawings is a transceiver with a receiver, a transmitter, a local oscillator (LO) generator, a controller, and a self-testing unit. All of these components can be packaged for integration in |
| 7339363 |
Variable gain received signal strength indicator |
March 4, 2008 |
| An RSSI circuit provides a relatively inexpensive technique for accurately measuring received signal strength over a wide dynamic range. A received signal is processed by a rectifier circuit that generates a series of DC offsets of increasing magnitude. The DC offsets are imposed on a fi |
| 7299006 |
Adaptive radio transceiver |
November 20, 2007 |
| An exemplary embodiment of the present invention described and shown in the specification and drawings is a transceiver with a receiver, a transmitter, a local oscillator (LO) generator, a controller, and a self-testing unit. All of these components can be packaged for integration in |
| 7266163 |
FSK demodulator slicer with fast automatic DC offset compensation |
September 4, 2007 |
| A data slicer for an FSK demodulator employs a peak and valley detector, each of which has a discharge path with selectable decay rates. The faster decay rate for the peak and valley detector outputs is selected when the difference between the current peak and valley voltages exceeds |
| 7233772 |
Adaptive radio transceiver with filtering |
June 19, 2007 |
| An exemplary embodiment of the present invention described and shown in the specification and drawings is a transceiver with a receiver, a transmitter, a local oscillator (LO) generator, a controller, and a self-testing unit. All of these components can be packaged for integration in |
| 7149488 |
Direct tuning of radio receiver integrated circuit |
December 12, 2006 |
| A method for direct tuning of a radio receiver begins by providing a plurality of frequency-dependent control input signals to an input of the radio receiver. The method continues by, for each of a plurality of frequency-dependent control input signals, determining received signal st |
| 7130607 |
Adjusting a programmable mixer |
October 31, 2006 |
| A method for adjusting a programmable mixer of a local oscillation module to reduce local oscillation leakage begins by determining at least one of: DC offset of an input signal of the programmable mixer and process mismatches between a first mixing stage and a second mixing stage. The |
| 7130601 |
Determination of received signal strength in a direct conversion receiver |
October 31, 2006 |
| Determination of a received signal strength indication in a direct conversion receiver begins by determining, at a given time, a 1.sup.st value to be the larger of the in-phase component of the received signal and the quadrature component of the received signal. The direct conversion |
| 7120399 |
High speed CMOS transmit-receive antenna switch |
October 10, 2006 |
| A high-speed CMOS transmit/receive antenna switch includes a first transistor, a second transistor and a parasitic compensation network. The first transistor is operably coupled to an antenna, to a transmit path, and to receive a transmit/receive (T/R) control signal. The second tran |
| 7107025 |
High gain, highly linear mixer |
September 12, 2006 |
| A high gain, highly linear mixer includes an input section, mixing section, at least one tuning component, and at least one stand by current source. The input section is operably coupled to receive an input voltage signal and perform a linear transconductance thereon to produce an input |
| 7092681 |
High output power radio frequency integrated circuit |
August 15, 2006 |
| A high output power radio frequency integrated circuit includes an up conversion module, a plurality of drivers and a plurality of integrated circuit pads. The up conversion module is operably coupled to convert a low intermediate frequency (IF) signal into a radio frequency (RF) sig |
| 7088969 |
Highly linear power amplifier and radio applications thereof |
August 8, 2006 |
| A single ended highly linear power amplifier includes a component, a 1.sup.st transistor pair, and a 2.sup.nd transistor pair. The 1.sup.st and 2.sup.nd transistor pairs are coupled in series with the component, which may be a resistor, inductor and/or linearly loaded transistor, whe |
| 7079818 |
Programmable mutlistage amplifier and radio applications thereof |
July 18, 2006 |
| A programmable multi-stage amplifier includes a 1.sup.st programmable amplifier, a 2.sup.nd programmable amplifier, and a control module. The 1.sup.st and 2.sup.nd programmable amplifiers are coupled in series to amplify an input signal. Each of the 1.sup.st and 2.sup.nd programmable |
| 7079816 |
On chip diversity antenna switch |
July 18, 2006 |
| An on chip diversity antenna switch includes a first switch, a second switch, a third switch, and a fourth switch. The first switch is operably coupled to a pin associated with a first antenna, to a transmit path and to receive a transmit receive (T/R) control signal. The second switch i |
| 7054603 |
RF integrated circuit with signal gain adjustment |
May 30, 2006 |
| A method and apparatus for signal gain adjustment within an RF integrated circuit (IC) include processing that begins by determining the signal strength of a received RF input signal with respect to a first signal strength scale to produce a signal strength indication. The processing |
| 6999735 |
Digital high frequency power detection circuit |
February 14, 2006 |
| A digital high frequency power detection circuit includes a peak detecting circuit and a peak computing circuit. The peak detecting circuit is operably coupled to detect a peak value of a high frequency signal and includes an amplifier, transistor, and capacitor. The amplifier has a |
| 6996379 |
Linear high powered integrated circuit transmitter |
February 7, 2006 |
| A linear high powered integrated circuit transmitter includes an up-conversion module, a plurality of power amplifiers, balanced integrated circuit coupling, and a combining circuit. The up-conversion module is operably coupled to produce a differential up-converted signal by mixing |
| 6970689 |
Programmable mixer for reducing local oscillator feedthrough and radio applications thereof |
November 29, 2005 |
| A state of a programmable mixer is set during a calibration phase to minimize local oscillator feedthrough. During a calibration phase, inputs to the programmable mixer are set to zero, or to a known state and the local oscillator is set to a calibration frequency. Then, one of a plu |
| 6968019 |
IF FSK receiver |
November 22, 2005 |
| In one embodiment, the present invention is a low-power, and high performance receiver including an IF demodulator for high data rate, frequency modulated systems, such as Bluetooth. The IF demodulator is implemented in analog domain for simplicity and lower power consumption and ope |
| 6920311 |
Adaptive radio transceiver with floating MOSFET capacitors |
July 19, 2005 |
| An exemplary embodiment of the present invention described and shown in the specification and drawings is a transceiver with a receiver, a transmitter, a local oscillator (LO) generator, a controller, and a self-testing unit. All of these components can be packaged for integration in |
| 6915114 |
Direct tuning of embedded integrated circuit components |
July 5, 2005 |
| A method and apparatus for direct tuning of a component embedded within an integrated circuit includes processing that begins by providing a plurality of frequency dependent control input signals to an input of the integrated circuit. The processing continues for each of the plurality of |
| 6859646 |
Signal gain adjustment within an RF integrated circuit |
February 22, 2005 |
| A method and apparatus for signal gain adjustment within an RF integrated circuit (IC) include processing that begins by determining the signal strength of a received RF input signal with respect to a first signal strength scale to produce a signal strength indication. The processing |
| 6801761 |
Programmable mixer and radio applications thereof |
October 5, 2004 |
| A programmable mixer includes a 1.sup.st mixing stage, a 2.sup.nd mixing stage, a coupling element, and a compensation module. The 1.sup.st mixing stage is operably coupled to mix one leg of a differential input signal with a differential local oscillation. The 2.sup.nd mixing stage is |
| 6762642 |
Method and apparatus for frequency shift-keying demodulation and applications thereof |
July 13, 2004 |
| A method and apparatus for frequency shift-keying (FSK) demodulation includes processing that begins by generating a charge signal, a data acquisition signal, and a reset signal from an I component and a Q component of an FSK modulated signal. The processing continues by generating a |
| 6738601 |
Adaptive radio transceiver with floating MOSFET capacitors |
May 18, 2004 |
| An exemplary embodiment of the present invention described and shown in the specification and drawings is a transceiver with a receiver, a transmitter, a local oscillator (LO) generator, a controller, and a self-testing unit. All of these components can be packaged for integration in |
| 6720757 |
Variable gain received signal strength indicator |
April 13, 2004 |
| An RSSI circuit provides a relatively inexpensive technique for accurately measuring received signal strength over a wide dynamic range. A received signal is processed by a rectifier circuit that generates a series of DC offsets of increasing magnitude. The DC offsets are imposed on a fi |
