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Local oscillator signal generation
A local oscillator signal generation circuit for a frequency divider circuit is disclosed. The local oscillator signal generation circuit includes a delay...
Oscillator with adjustable frequency
A circuit may include a delay element, a voltage adjust line, and a controllable capacitance. The delay element may have a delay and may include an input and an...
Pulse signal generation circuit and operating method thereof
The present invention relates to a pulse signal generation circuit for changing a pulse width of an input pulse signal and outputting an output pulse signal...
Transmission drive circuit and semiconductor integrated circuit device
Provided is a transmission drive circuit which can reduce distortions of a transmission signal and transmission noise, and is isolable from a signal line. A...
Multi-phase signal generator and multi-phase signal generating method
A multi-phase signal generator and a multi-phase signal generating method thereof. The multi-phase signal generator includes a signal generator, a first...
Integrated circuit operating active circuitry and chip pads in different
operating modes and at different...
An integrated circuit having an external connection pad and an active circuit for generating signals to be output from the integrated circuit by means of the...
Driver circuit with gate clamp supporting stress testing
A generator circuit is coupled to apply a control signal the gate terminal of a power transistor driving an output node. A reference voltage is generated having...
Automatic power switching and power harvesting in thin oxide open drain
transmitter circuits, systems, and methods
A power harvesting circuit includes a new transmitter topology that ensures that no junction of thin oxide transistors forming the power harvesting circuit will...
Gamma boosting unit (GBU) for hybrid load and source pull
A hybrid load pull tuner system uses a combination of a passive and active tuner system. A closed loop system means that the system is independent of the...
High rejection surface acoustic wave duplexer
Filter devices and duplexer devices are disclosed. A filter device includes two or more surface acoustic wave resonators, including at least a first shunt...
Vibrator with a beam-shaped portion above a recess in a substrate, and
oscillator using same
A method for manufacturing a vibrator according to the present invention includes: forming a coating layer that covers a silicon substrate; patterning the...
Methods, systems, and apparatuses for temperature compensated surface
acoustic wave device
Embodiments described herein may provide a temperature-compensated surface acoustic wave (TCSAW) device, a method of fabricating a TCSAW device, and a system...
Composite dilation mode resonators
This disclosure provides systems, methods and apparatus related to acoustic resonators that include composite transduction layers for enabling selective tuning...
Tunable diplexers in three-dimensional (3D) integrated circuits (IC)
(3DIC) and related components and methods
Tunable diplexers in three-dimensional (3D) integrated circuits (IC) (3DIC) are disclosed. In one embodiment, the tunable diplexer may be formed by providing...
Marchand balun and power amplifier using the same
A Marchand balun has a primary transmission line with a width smaller than the two secondary transmission lines. The two secondary transmission lines also have...
Impedance matching device and control method
In an impedance matching device, a storage unit stores a control value representing a load value and a value equivalent to input impedance in advance. The...
Adaptive voltage divider with corrected frequency characteristic for
measuring high voltages
An adaptive voltage divider for measuring a high voltage between a ground terminal (GND) and a measurement terminal (U). It comprises a first branch comprising...
IC EMI filter with ESD protection incorporating LC resonance tanks for
An integrated circuit (IC) electromagnetic interference (EMI) filter with electrostatic discharge (ESD) protection incorporating inductor-capacitor (LC)...
Noise filter device
A noise filter device has a coil formed by winding a conductive wire on a magnetic core. The noise filter device further has a bracket formed of a magnetic...
Integrated circuit architecture with strongly coupled LC tanks
An integrated circuit for a radio frequency (RF) circuit such as a voltage controlled oscillator or an injection locked frequency divider is provided. The...
A filter circuit includes an antenna-side circuit, a transmission-side circuit, a reception-side circuit, and an external connection capacitor. The antenna-side...
Bus bar with noise filter
A bus bar device with a noise filter includes a magnetic body, a bus bar and first to third capacitors. The bus bar has input and output ends and extends...
Audio systems and methods employing an array of transducers optimized for
particular sound frequencies
Systems and methods for generating sound, detecting sound, and generating and detecting sound are provided. An array of audio transducers can be provided...
Pop-click noise grounding switch design with deep sub-micron CMOS
A device for grounding pop-click noise may include an output block configured to generate an output signal at an output node. A switch circuit coupled to the...
Dual squelch detectors and methods for low power states
An apparatus includes a first squelch circuit and a second squelch circuit. The first squelch circuit is configured to detect possible squelch signals in a...
Apparatus and methods for envelope shaping in power amplifier systems
Apparatus and methods for envelope shaping in power amplifier systems are provided. In certain implementations, a power amplifier system includes a modulator...
Auto gain adjusting device and method thereof
An auto gain adjusting device and method is disclosed. The auto gain adjusting device comprises a predistorter, a gain unit, a power amplifier, a receiving unit...
Method and apparatus for automatic gain control in a current mode RF
A current mode receiver front end for a radio device converts a received signal into a current mode signal and applies automatic gain control by both shunting...
An audio system includes a channel (10) for processing signals. The channel (10) includes a processing module (50) that follows a chain of modules (40) wherein...
Feature-based level control
A computer-implemented method comprising: determining one or more features of a subject signal; revising one or more control signals on the basis of the one or...
Amplifier circuit with improved slew rate
An amplifier circuit for improved slew rate consists of three main sections, which are the common mode rejection stage, primary gain stage and the output stage....
Low-voltage amplifier and method thereof
An amplifier is provided having a first mixed-length MOS device set for receiving an input signal and outputting an output signal, and a first load for...
Input buffer apparatuses and methods
Apparatuses and methods are disclosed, including an apparatus with a first differential amplifier to amplify an input signal into a first output signal, a...
Method for compensating a power amplification unit of a wireless RF module
The present invention relates to a method for compensating a power amplification unit of a wireless RF module that includes a baseband unit, a RF transceiver...
Input clamping structure for sound quality improvement in car-radio
class-AB power amplifier design
A clamping circuit for a class AB amplifier includes a reference voltage circuit, four NPN Darlington transistors having inputs coupled to the reference voltage...
Methods and devices for thermal control in power amplifier circuits
Methods of turning on and/or turning off amplifier segments in a scalable periphery amplifier architecture are described in the present disclosure. The turning...
Monolithic transistor circuits with tapered feedback resistors, RF
amplifier devices, and methods of...
Embodiments of an integrated resistor may be incorporated into monolithic transistor circuits and packaged RF amplifier devices. An embodiment of an integrated...
Circuit structure for achieving adaptive function in class-D audio power
Disclosed is a circuit structure for implementing an adaptive function in a class-D audio power amplifier circuit, comprising an operation amplifier, a pulse...
An amplifier includes: a package which includes a pair of edge portions; an input terminal which is provided in the edge portion; output terminals which are...
Power amplification circuit and power amplification module
It is possible to increase linearity in a power amplification circuit. A power amplification circuit includes a first amplification element which amplifies and...
Doherty power amplifier apparatus
Disclosed is a Doherty power amplifier apparatus, including: a drive amplifier circuit, a power splitter circuit and a power combiner circuit, wherein the power...
Hybrid DC-DC converters for power amplifiers
Methods and apparatus, including computer program products, are provided for hybrid DC-DC converters. In one aspect, there is provided a method. The method may...
Time and amplitude alignment in envelope tracking amplification stage
The invention relates to a method of calibrating an envelope path and an input path of an amplification stage including an envelope tracking power supply, the...
A quadrature modulator includes a first switched capacitor power amplifier that amplifies a first high-frequency signal, a second switched capacitor power...
Apparatus and methods concern down-converting a radio frequency (RF) signal. As an example, one apparatus includes a first mixer and a second mixer. The first...
System and method for eliminating intermodulation
A system for adaptively eliminating intermods from a spectrum generated by combining two or more signals in a component or circuit includes a sampler for...
Integrated circuit for mixing millimeter-wavelength signals
An integrated circuit is described. The integrated circuit includes millimeter-wavelength transceiver circuitry. The millimeter-wavelength transceiver circuitry...
Direct connection of lead bar to conductive ribbon in a thin film
Thin film photovoltaic devices that include at least one lead bar extending through a connection aperture defined in the encapsulation substrate are provided....
Outside wall cladding element and an outside wall provided with such an
outside wall cladding element
Disclosed is an outside wall cladding element for cladding an outside wall (6). The outside wall cladding element includes a structure (1) of a panel-shaped...
Photovoltaic frame fastener
A photovoltaic frame fastener is provided. In one aspect, a photovoltaic frame attachment apparatus includes a strut or rail defining a generally U-shaped...