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8058930 Capacitively-coupled non-uniformly distributed amplifier  
The present disclosure relates to a capacitively-coupled non-uniformly distributed amplifier (NDA) having an input line and an output line that are coupled to one another through an input network...
8054126 Dynamic bias supply devices  
A dynamic bias supply device for multiple parallel power amplifiers, in which a plurality of parallel power amplifiers including a Doherty amplifier are connected in parallel, is provided. The...
8054131 Transconductor circuit  
A transconductor circuit, particularly according to the multi-tanh principle, having a first input node and a second input node, a first differential amplifier coupled to the first and second...
8049563 Distributed circular geometry power amplifier architecture  
The present invention discloses a distributed power amplifier topology and device that efficiently and economically enhances the power output of an RF signal to be amplified. The power amplifier...
8049565 Multi-mode high efficiency linear power amplifier  
A power amplifier includes a plurality of amplification paths in which at least one amplification path is selectively enables and disabled, wherein each amplification path includes an output...
8041314 Signal amplifier structure for radio transmitter  
There is provided a modular amplifier structure that includes a plurality of parallel amplifier sub-units. Each amplifier sub-unit is configured to amplify a received payload signal under control...
8035445 Frequency response compensation amplifier arrangements  
An embodiment of the present invention provides a system comprising a summing device and first amplifier portion. The summing device is coupled to an output node. The first amplifier portion is...
8035444 Amplifier apparatus  
An amplifier capable of lowering an electrical current flowing in a peak amplifier before a carrier amplifier becomes saturated to thereby improve the efficiency of an entirety of the amplifier is...
8035459 Wideband divider  
A power divider includes first and second amplifiers (AMP1, AMP2), and an isolation circuit. AMP1 includes a first capacitor (C1) with one end connected to input, a first FET (FET1) having a gate...
8022768 Doherty amplifier and method for operation thereof  
An amplifier having a Doherty-type architecture and a method for operation thereof are provided. The amplifier comprises a main amplifier path comprising a main amplifier, an auxiliary amplifier...
8022760 3-way Doherty amplifier with minimum output network  
A 3-way Doherty amplifier has an amplifier input and an amplifier output. The amplifier has a main stage, a first peak stage and a second peak stage. The amplifier has an input network connecting...
8022769 Semiconductor device  
According to one embodiment, there is a semiconductor device including a first active element, a second active element connected in parallel with the first active element, and a first...
8018276 Signal processing method and power amplifier device  
A signal processing method and power amplifier device are disclosed. The method may include receiving a signal to be transmitted, decomposing an original signal into a plurality of smaller...
8013680 Distributed Doherty amplifiers  
Doherty and distributed amplifier (DA) designs are combined to achieve, wideband amplifiers with high efficiency dynamic range. A modified Doherty amplifier includes a wideband phase shifter...
8005445 RF power amplifying device and wireless communication terminal device  
A RF power amplifying device is constituted by a system of a balanced amplifier including first phase shifters, a first RF power amplifier, a second RF power amplifier, second phase shifters, and...
8004365 Amplifier circuit  
The invention relates to a circuit arrangement (30, 40, 70, 80, 90) of a low-noise linear input amplifier comprising a parallel circuit of a common-base circuit (20) and a common-emitter circuit...
8004371 Band reject filters  
Distributed band reject filters are disclosed. A first radio frequency band reject filter is disclosed having a splitter having a first input port, a first output port and a second output port,...
8004364 High power RF solid state power amplifier system  
A high power, high frequency, solid state power amplifier system includes a plurality of input multiple port splitters for receiving a high-frequency input and for dividing the input into a...
7994854 Circuit with a power amplifier and amplification method  
In a power amplification circuit an output signal is generated by combining the power of a first and second signal that have been amplified separately. An input signal is received that indicates a...
7982543 Switchable power amplifier  
Embodiments of circuits, apparatuses, and systems for a switchable radio frequency (RF) power amplifier are disclosed. Some embodiments include a matching network configured to alternatively...
7973600 Doherty power amplifier  
The present invention relates to a power amplifier; and, more particularly, to a Doherty power amplifier. The power amplifier includes at least one carrier amplifier; at least one peaking...
7973620 Power amplifier filter for radio-frequency signals  
A power amplifier filter for radio-frequency signals having an outphasing type architecture comprising a first stage (2) capable of generating, from an input signal s(t), two signals s1(t), s2(t)...
7961045 Amplifier pre-distortion systems and methods  
A method of optimizing performance of a multiple path amplifier includes: splitting an input signal to derive a respective sub-signal for each branch of the multiple path amplifier; independently...
7961048 Integrated power amplifiers for use in wireless communication devices  
An integrated power amplifier can include a carrier amplifier, where the carrier amplifier is connected to a first quarter wave transformer at the input of the carrier amplifier. In addition, the...
7956685 Adaptive operational transconductance amplifier load compensation  
A buffer varies the size of its output stage in response to a varying capacitive load. The capacitive load may vary in a predictable or a random manner. The buffer includes an operational...
7952433 Power amplifiers with discrete power control  
Systems and methods are provided for power amplifiers with discrete power control. The systems and methods may include a plurality of unit power amplifiers; a plurality of primary windings,...
7952434 Semiconductor device  
Power amplifier circuits which constitute an RF power module used for a digital device capable of handling high frequency signals in two frequency bands are disposed over the same IC chip. The...
7944290 Trans-impedance amplifier  
Systems and apparatus for converting an input current signal into two or more output voltage signals on an integrated circuit. In one aspect, an integrated circuit includes a first trans-impedance...
7944307 Wideband RF amplifiers  
A device for amplifying signals over a wide frequency range features stacked amplifying modules connected between a DC voltage source and an electrical ground. The stacking configuration reuses...
7944308 Amplifier circuit and the controlling method thereof  
An amplifier circuit includes a first unit and a second unit. The first unit has a first amplifying unit, wherein the first amplifying unit provides a first main circuit unit and a first assistant...
7944293 Systems and methods for an adaptive bias circuit for a differential power amplifier  
Systems and methods for providing an adaptive bias circuit that may include a differential amplifier, low-pass filter, and common source amplifier or common emitter amplifier. The adaptive bias...
7940123 DC series-fed amplifier array  
There is disclosed an amplifier module which may include a plurality of N circuit devices, each of which may have at least two stages of amplification. Each circuit device may additionally have a...
7936218 Shared-current electronic system  
Shared-current electronic systems (120, 130, 140, 150, 160, 170, 180, 190, 200, 210, and 220) include two or more electronic devices, such as an electronic device (Q1), a baseband processor (110),...
7936213 Doherty amplifier and signal amplification system having the same, method for amplifying signal  
A Doherty amplifier is provided. The Doherty amplifier includes a first path circuit including a carrier amplifier and a first impedance adjusting circuit connected with the carrier amplifier; and...
7936212 Progressive power generating amplifiers  
A power amplifier circuit includes an unequal power splitter that splits an input signal using an unequal power split and provides a first power level signal and a second power level signal. A...
7932781 Multi-planar solid state amplifier  
A solid state power amplifier (SSPA) system may include a radio frequency (RF) input, an RF waveguide split block, multiple monolithic microwave integrated circuit (MMIC) power amplifier modules,...
7928803 Amplifying circuit  
An amplifying circuit includes amplifying unit comprising a first transistor unit having a gate width that is controllable and is controlled based on a first control signal.
7930452 Parallel link electrical and timing parameter specification for output driver and input receiver that selects bandwidth or frequency based on timing parameters  
In one embodiment, an apparatus includes a driver and a receiver. The driver has an output, wherein the output of the driver has an associated output termination. In addition, the receiver has an...
7915957 Distributed amplification apparatus and amplifier  
Provided is a distributed amplification apparatus that outputs an output signal obtained by amplifying an input signal input thereto, comprising an input-side transmission line that transmits the...
7915959 Multi-path, multi-oxide-thickness amplifier circuit  
An embodiment of a multi-path, multi-oxide-thickness amplifier circuit includes a first amplifier having at least one thin-oxide output transistor, and a second amplifier having at least one...
7915960 Multi-primary distributed active transformer amplifier power supply and control  
An integrated power combiner is disclosed. The power combiner includes a first circular geometry primary winding having one or more inductive elements, such as an active winding with one or more...
7911270 Broadband microwave device with switchable gain  
The invention relates to a broadband microwave device with switchable gain comprising a microwave signal input E and output S, a distributed amplifier with a plurality of amplifying cells...
7907009 High frequency amplifier  
Provided is a high frequency amplifier including two amplifying elements of different element sizes connected in parallel and switching the amplifying elements in accordance with a level of output...
7902923 Common-gate common-source amplifier  
Techniques for integrating a common-source and common-gate amplifier topology in a single amplifier design. In one aspect, an input voltage is provided to both a common-source amplifier and a...
7902921 Output networks in combination with LINC technique  
The present invention relates to balanced power amplifier network in combination with outphasing techniques such as Chireix. The object of the present invention is to provide a solution to the...
7898338 High power integrated RF amplifier  
An integrated HF-amplifier has an input bond pad, cells displaced in a first direction, and an output bond pad. Each has a amplifier with input pad, active area, and output pad. The active area is...
7893770 Power amplification device  
Provided is a power amplification device including: a DC power supply that outputs a drain voltage; a Doherty amplifier including a carrier amplifier and a peak amplifier, which are connected in...
7893762 Efficient composite amplifier  
A detuned composite amplifier includes a nonlinear drive function (22) that has a phase that varies with the composite amplifier output voltage amplitude. The nonlinear drive function (22) is...
7889009 Distributed active transformer based millimeter-wave power amplifier circuit  
A distributed active transformer (DAT) based millimeter-wave (MMW) power amplifier circuit is designed for power amplification of MMW frequency signals. The proposed MMW power amplifier circuit is...
7888999 Premium power amplifier  
The present invention discloses a premium power amplifier applied in an antenna module, and the premium power amplifier includes a first transmission unit, having two symmetrical and identical...