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7622989 |
Multi-band, inductor re-use low noise amplifier
Described herein are multi-band LNAs that reuse inductors for different frequency bands to minimize chip area. In an embodiment, a multi-band LNA is capable of operating in a narrowband (NB) and a...
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7616061 |
Low noise amplifier for ultra wide band
A low noise amplifier (LNA) for ultra wide band receives and amplifies identical RF signals in different frequency bands, and includes more than one pair of narrow band LNAs coupled in parallel,...
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7593703 |
Frequency switch for multiband power amplifier applications and multiband/multistandard power amplifier module
A frequency switch ( 1 ), in particular for use in a multiband/multistandard power amplifier module ( 11, 17 ), comprising at least two output ports, a first output port ( 7 ) being arranged within...
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7580687 |
System-in-package wireless communication device comprising prepackaged power amplifier
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...
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7570111 |
Apparatus and method for wideband amplification of RF signals
The present invention is directed to an apparatus and method for wideband amplification of RF signals. A wideband amplification apparatus in accordance with the present invention may comprise: (a)...
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7554391 |
Amplifier having a virtual ground and method thereof
An amplifier comprises first, second, and third modulators. The first modulator includes an input for receiving a first input signal, and an output for providing a first modulated output signal...
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7554411 |
Wireless transmitter having multiple programmable gain amplifiers (PGAs) with tuned impedance to provide substantially linear response
A method and apparatus are provided for enabling a transmitter to have a substantially linear magnitude response and a substantially linear phase response. The transmitter includes first and second...
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7548616 |
Termination device for a telephone line
A termination device for a telephone line of a wire based telephone system, said termination device ( 30 ) comprising: a high pass filter ( 39 ) for separating signals within a frequency band used...
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7548111 |
Miniature dual band power amplifier with reserved pins
A radio frequency (RF) module provides first and second power amplifiers configured to produce first and second amplified RF signals at first and second output RF terminals, respectively; and first...
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7541865 |
EER high frequency amplifier
An EER high frequency amplifier wherein the dynamic range of the gain can be widened by performing a predetermined control of a device in a high frequency amplifying part and thereby enhancing the...
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7528652 |
Amplifying device and radio communication circuit
There is provided with an amplifying device including: an input terminal configured to input an input signal; first to ith blocks including first to ith resonators having different first to ith...
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7508261 |
Systems of miniaturized compatible radio frequency wireless devices
A system of compatible modules includes a radio frequency (RF) module with a power amplifier configured to produce an amplified RF signal at an output RF terminal; and a first row of pads and a...
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7471146 |
Optimized circuits for three dimensional packaging and methods of manufacture therefore
An embodiment of the present invention provides an apparatus, comprising an integrated circuit, wherein a first portion of the integrated circuit is placed on a top tier substrate and a second...
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7446604 |
Multi-band low noise amplifier
A multi-band low noise amplifier capable of operating in a plurality of band modes includes a plurality of input amplifiers respectively corresponding to the plurality of band modes and a single...
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7415251 |
Apparatus and method for improving efficiency of a power amplifier having a high peak-to-average power ratio
A power amplification apparatus and method for amplifying a baseband signal having a high peak-to-average power ratio (PAR) are provided. The power amplification apparatus and method comprise a...
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7388959 |
Harmonic generator and pre-amp
A Harmonic Generator for audio applications and a Pre-Amplifier circuit are combined to form a Harmonic Generator and Pre-Amplifier circuit. The Harmonic Generator is formed from a Buffer Circuit...
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7382185 |
Loop segment switching system
The loop segment switching system includes a plurality of signal sources, each producing an output signal; and, a plurality of signal sinks, each signal sink normally accepting an output signal...
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7379751 |
Multi-band transceiver and radio communication device using the transceiver
A multi-band transceiver has a function of sharing transmitted and received signals of multiple frequency bands by the same antenna. The multi-band transceiver mounts multiple filters that...
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7362171 |
High-frequency amplifier
It is an object of this invention to provide a high-frequency amplifier which can efficiently amplify an input signal in a plurality of different frequency bands in a simple configuration. The...
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7298206 |
Multi-band amplifier for test and measurement instruments
A multiband amplifier for a test and measurement instrument includes a splitter to split an input signal into split signals, amplifiers, and means for combining and digitizing the amplified signals...
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7221220 |
Method and apparatus for low-frequency bypass in broadband RF circuitry
A method of processing an input broadband signal in RF circuitry includes extracting low-frequency components from the input broadband signal, processing the low-frequency components in...
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7215205 |
Power amplifier arrangement and method for processing a radiofrequency signal
A power amplifier arrangement comprises a power amplifier in a semiconductor body. At least one first input terminal on the surface of the semiconductor body is provided for feeding in a signal to...
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7202734 |
Electronically tuned power amplifier
A circuit and method for electronically tuning an RF power amplifier. The output filter includes at least one electronically variable reactance. The electronically tuned power amplifier may be...
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7202735 |
Multi-band power amplifier module for wireless communication devices
A multi-band power amplifier module includes a first power amplifier that amplifies a first input radio frequency signal in a first frequency band in response to a first bias control signal. A...
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7202733 |
Transconductance amplifiers with compensation
An amplifier circuit comprises a first operational transconductance amplifier (OTA) has an input that communicates with the output of the first amplifier. A third amplifier has an input that...
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7187231 |
Apparatus, methods and articles of manufacture for multiband signal processing
Apparatus, methods and articles of manufacture for multiband transmitter power amplification are provided wherein one or more amplifying devices, of which at least one may be one or more current...
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7167044 |
Dual-band CMOS front-end with two gain modes
A multi-band low noise amplifier (LNA) 105 includes an input stage having at least two inputs, a first input ( 103 ) coupled to a first input transistor for receiving signals in a first frequency...
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7148751 |
Handset radiofrequency front end module in fine pitch quad flat no lead (FQFP-N) package
An apparatus and method for transmitting signal, the apparatus comprising a front end telecommunications module including a power amplifier, a matching circuit coupled to the power amplifier, and a...
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7138862 |
Power amplifier and radio communication device using the amplifier
A power amplifier includes amplifier elements to amplify input signals of different frequencies. The amplifier also includes a power supply circuit that includes a common power supply path...
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7139539 |
Adaptive power pooling apparatus and method in a mobile communication system
A power pooling apparatus uniformly distributes sector loads in a mobile communication system. The power pooling apparatus comprises a distributor for distributing signals output from a signal...
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7123087 |
Radio frequency power amplifier
The present invention provides a radio frequency power amplifier which may not introduce radio frequency loss during switching power amplifier units between high and low output power levels. By...
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7119614 |
Multi-band power amplifier module for wireless communications
A multi-band power amplifier module includes a first power amplifier that amplifies a first input radio frequency signal in a first frequency band in response to a first bias control signal. A...
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7116175 |
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...
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7095276 |
Power amplifier and radio communication device using the amplifier
A power amplifier includes amplifier elements to amplify input signals of different frequencies. The amplifier also includes a power supply circuit that includes a common power supply path...
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7091775 |
Multi-band power amplifier module for wireless communication devices
A multi-band power amplifier module includes a first power amplifier that amplifies a first input radio frequency signal in a first frequency band in response to a first bias control signal. A...
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7091776 |
Power amplifier and radio communication device using the amplifier
A power amplifier includes amplifier elements to amplify input signals of different frequencies. The amplifier also includes a power supply circuit that includes a common power supply path...
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7046085 |
Power amplifier and radio communication device using the amplifier
A power amplifier includes amplifier elements to amplify input signals of different frequencies. The amplifier also includes a power supply circuit that includes a common power supply path...
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7023272 |
Multi-band low noise amplifier system
A low noise amplifier (LNA) operates over multiple frequency bands while occupying less silicon area than known LNA implementations. The LNA includes output matching that can be tuned by an...
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6993286 |
Dual band bidirectional amplifier for wireless communication
The dual band bi-directional amplifier has only one amplifier chain having an uplink amplifier and a downlink amplifier, but can nonetheless amplify signals from two frequency bands in both an...
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6970040 |
Multi-mode/multi-band power amplifier
The present invention provides a wideband power amplifier for a multi-mode or multi-band wireless communication device. The wideband power amplifier is configured to amplify signals in different...
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6963241 |
Method and apparatus for increasing the efficiency of a transmitter
The present invention relates generally to the field of RF transmitters, and more particularly to a method and apparatus for increasing the efficiency of transmitters which are capable of...
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6914480 |
High frequency power amplifier and wireless communication module
The present invention provides a high frequency power amplifier of an open-loop type, which outputs a signal having a level corresponding to an output level required under control of a power supply...
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6909325 |
Multi-band amplifier
In a multi-band amplifier, provided are a first differential voltage-to-current converting circuit for converting a first frequency signal into a current and outputting the current, a second...
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6816008 |
Quasi-linear multi-state digital modulation through non-linear amplifier arrays
At least one amplifier is selected from a first bank of non-linear amplifiers. At least one amplifier is selected from a second bank of non-linear amplifiers. The number of amplifiers selected from...
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6803817 |
Dual band power amplifier with improved isolation
The invention is a dual band power amplifier with a small footprint having excellent band-to-band isolation. An improved second and fourth harmonic trap at the output of the low band power...
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6750707 |
Multi-carrier RF amplifiers
Apparatus including input ports for inputting a plurality of input signals different in frequency of carrier from one another, dividers for respectively dividing each of the plurality of input...
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6674337 |
Concurrent multi-band low noise amplifier architecture
The present invention relates to a concurrent multi-band amplifiers and to a monolithic, concurrent multi-band low noise amplifier (LNA). The inventive LNA includes a three-terminal active device,...
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6624694 |
System and method for producing an amplified signal
A method of producing an amplified signal decomposes a signal into at least a first part and second part using at least one amplitude threshold. The first part includes a portion of the signal with...
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6624695 |
Waveform pershaping for efficiency improvements in DC to RF conversion
High efficiency DC to RF conversion with use of active harmonic insertion is provided for power amplification over a wide dynamic range of input signal level. Specifically, a power amplifier device...
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6583664 |
Apparatus and method for efficiently amplifying wideband envelope signals
Systems and methods for amplifying an RF input signal include employing a moderately power efficient wide bandwidth device, such as an AB-type amplifier, to amplify the power residing in the high...
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