Abstract: A personal cloud contained in a case for a portable computing device such as a tablet personal computer (PC), mobile phones, portable media players, or the like. The personal cloud case may be fitted with memory, a network connection, two-way wireless charging, external memory slots, external connections and other components for portable personal cloud computing.

Abstract: A personal cloud structure for a portable computing device such as a tablet personal computer (PC), mobile phones, portable media players, or the like. The personal cloud structure may be fitted with memory, a network connection, two-way wireless charging, external memory slots, external connections and other components to create a portable personal cloud.

Abstract: The present disclosure relates to a World Band Radio Frequency Power Amplifier and a World Band Radio Frequency Front End Module. The World Band Power Amplifier can contain at least one broadband power amplifier connected to a switch which can direct an RF input signal to a plurality of transmission paths, each transmission path configured for a different frequency. The World Band RFFE Module is more integrated version of the World Band Power Amplifier that can contain broadband RF PA(s), switches, logic controls, filters, duplexers and other active and passive components.

Abstract: A linear amplifier circuit includes a multi-stage power amplifier that can amplify an input signal to produce an output signal, and a gain feedback control circuit coupled with the output and the input of the multi-stage power amplifier. An adjacent-channel leakage feedback control circuit can detect the output signal at the output of the multi-stage power amplifier and reduce adjacent-channel leakage in the output signal over an output power range based on the detected output signal.

Abstract: A personal cloud structure for a portable computing device such as a tablet personal computer (PC), mobile phones, portable media players, or the like. The personal cloud structure may be fitted with memory, a network connection, two-way wireless charging, external memory slots, external connections and other components to create a portable personal cloud.

Abstract: The present disclosure relates to a World Band Radio Frequency Power Amplifier and a World Band Radio Frequency Front End Module. The World Band Power Amplifier can contain at least one broadband power amplifier connected to a switch which can direct an RF input signal to a plurality of transmission paths, each transmission path configured for a different frequency. The World Band RFFE Module is more integrated version of the World Band Power Amplifier that can contain broadband RF PA(s), switches, logic controls, filters, duplexers and other active and passive components.

Abstract: A Handy Base Station (HBS) which is capable of connecting through a base portion into a power socket (e.g., lamp socket). The HBS may have a plurality of functional modules capable of being detachably mounted in a housing. One of the functional modules may be a light emitter such as a light emitting diode (LED). Another rmodule may be a communication module which may communicate using a wire line or wirelessly using standard wireless communication protocols. Further disclosed is a combination unit which has the HBS located on a pole such as a utility pole with a landing pad for an unmanned aerial vehicle (UAV) to allow the UAV a recharging location between deliveries and to allow the HBS to guide the UAV on its flight.

Abstract: A personal cloud contained in a case for a portable computing device such as a tablet personal computer (PC), mobile phones, portable media players, or the like. The personal cloud case may be fitted with memory, a network connection, two-way wireless charging, external memory slots, external connections and other components for portable personal cloud computing.

Abstract: A linear amplifier circuit includes a multi-stage power amplifier that can amplify an input signal to produce an output signal, and a gain feedback control circuit coupled with the output and the input of the multi-stage power amplifier. An adjacent-channel leakage feedback control circuit can detect the output signal at the output of the multi-stage power amplifier and reduce adjacent-channel leakage in the output signal over an output power range based on the detected output signal.

Abstract: The present disclosure relates to a World Band Radio Frequency Power Amplifier and a World Band Radio Frequency Front End Module. The World Band Power Amplifier can contain at least one broadband power amplifier connected to a switch which can direct an RF input signal to a plurality of transmission paths, each transmission path configured for a different frequency. The World Band RFFE Module is more integrated version of the World Band Power Amplifier that can contain broadband RF PA(s), switches, logic controls, filters, duplexers and other active and passive components.

Abstract: A personal cloud structure for a portable computing device such as a tablet personal computer (PC), mobile phones, portable media players, or the like. The personal cloud structure may be fitted with memory, a network connection, two-way wireless charging, external memory slots, external connections and other components to create a portable personal cloud.

Abstract: A personal cloud contained in a case for a portable computing device such as a tablet personal computer (PC), mobile phones, portable media players, or the like. The personal cloud case may be fitted with memory, a network connection, two-way wireless charging, external memory slots, external connections and other components for portable personal cloud computing.

Abstract: A radio frequency (RF) amplifier circuit includes a first impedance matching circuit configured to receive an input RF signal, a control circuit configured to produce a band control signal according to the frequency of the input RF signal, an RF amplifier having its input connected to the first impedance matching circuit. The RF amplifier can produce an amplified RF signal in response to the input RF signal. A second impedance matching circuit can receive the amplified RF signal from the RF amplifier. At least one of the first impedance matching circuit and the second impedance matching circuit has an impedance that is adjustable by the band control signal. A multi-band filter can switch the amplified RF signal from the second impedance matching circuit to one of selectable narrow-band filters in response to the band control signal.

Abstract: A multi-band wireless system includes a wireless device and a detachable radio card. The wireless device includes an application processor, an electric interface, and an antenna. The detachable radio card can be mounted onto the electric interface. The detachable radio card includes a base band processor, a radio-frequency transceiver, a multi-band power amplifier module, and a radio controller.

Abstract: A wireless communication device includes an RF transceiver configured to up convert a base band signal to a transmitting RF signal, a configurable matrix power amplifier circuit configured to amplify the transmitting RF signal to produce an amplified RF signal, and an antenna configured to transmit a wireless signal in response to the amplified RF signal.

Abstract: An amplifier circuit includes a first power amplifier that can produce a first amplified signal in response to a first input signal in a first frequency band, and a second power amplifier that can produce a second amplified signal in response to a second input signal in a second frequency band. A center frequency of the second frequency band is higher than the a center frequency of frequency band A control circuit can turn on or turn off the first power amplifier and configured to turn on or turn off the second power amplifier. A shunting circuit is coupled to an output of the second power amplifier. The shunting circuit can attenuate harmonic signals from the first frequency band under the control of the control circuit.

Abstract: A broad-band linear amplifier circuit includes a driver amplifier to produce a first amplified radio frequency (RF) signal in a first single RF band in response to a first input RF signal and to produce a second amplified RF signal in a second single RF band in response to a second input RF signal. The first single RF band and the second single RF band reside in a broad band that has a bandwidth more than two times a bandwidth of the first single RF band or the second single RF band. A sensing circuit can sense a power, a gain, or a phase of the first output RF signal and the second output RF signal, and to produce a sensing signal. A gain control circuit controls gain variation of the driver amplifier in response to the sensing signal.

Abstract: A substantially rectangular shaped power amplifier module includes a power amplifier for amplifying radio frequency signals, a bias control terminal and a power sensing terminal disposed on the same side of the power amplifier module, an input terminal and a ground terminal disposed on the same side of the power amplifier module, and an output terminal and one or more power supply terminals disposed on the same side of the power amplifier module.

Abstract: Systems and methods are disclosed for a device having one or more power amplifier and/or LNA circuits positioned on the amplifier module.

Abstract: A linear amplifier circuit includes a first matching circuit that receives a first signal and to produce a first impedance matched signal, a first power amplifier that produces a first amplified signal in response to the first impedance matched signal under the control of a first bias signal, a second power amplifier that produces a second amplified signal in response to the first impedance matched signal under the control of a second bias signal, a biasing circuit that produces the first bias signal and the second bias signal. The first power amplifier can be activated by the first biasing signal when the power of the output signal is to exceed a first threshold value. The second power amplifier can be activated by the second biasing signal when the power of the output signal is below a second threshold value. A second matching circuit configured to receive the first amplified signal and the second amplified signal, and to produce an output signal.