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Method for driving a load
An electronic switch includes a load path connected in series with the load and a drive terminal for receiving a drive signal. The electronic switch is operable...
Method and apparatus for power-up detection for an electrical monitoring
A method and apparatus is provided for outputting a reset signal during power-up until two conditions are satisfied. In one embodiment, the method and apparatus...
Level jump reset IC design circuit
A level jump reset IC design circuit is provided, comprising a reset IC, a reset circuit, and a switching circuit. The reset circuit and the switching circuit...
Multi-bit cell attenuator
Hybrid-coding, multi-cell architecture and operating techniques for step devices provide advantages over binary-coded and thermometer-coded step devices by...
Switch circuit, semiconductor device, and battery device
There is provided a semiconductor device capable of preventing the passage of current that is unexpected in a circuit operation even in the case of reverse...
Solid state relay circuit
A solid state relay and method for enabling and disabling power to a load are disclosed. A fast turn-on circuit and fast turn-off circuit receive control...
Input apparatus and input system
An input apparatus may include a pulse width control circuit, a reception circuit, and a latch circuit. The pulse width control circuit may be configured to...
Voltage selection circuit and semiconductor integrated circuit device
having the same
The highest voltage of a power supply voltage, a ground potential, and a signal voltage is output as a selection voltage from a terminal on the output side. In...
Clock signal controller
The present invention provides a clock signal controller structure. The invention allows for the large-skew clock signals to be converted into small-skew clock...
Post fabrication tuning of an integrated circuit
An integrated circuit 2 includes a transistor 26 which has a normal switching speed arising during normal operations of that transistor that apply electrical...
A delay circuit of a semiconductor apparatus includes a control signal generation block configured to output a control signal having an analog voltage level in...
Ramp generator circuit and solid-state imaging device
A ramp generator circuit includes: a reference signal generator circuit which generates a ramp waveform having a slope obtained by multiplication using a power...
A method of processing an amplitude-modulated analog signal at a carrier frequency F.sub.c comprises: digitizing the analog signal to produce an input bit...
Circuit system having at least two inverter modules connected in parallel,
method for connecting at least two...
A circuit system having at least two inverter modules connected in parallel, each of which includes an inverter circuit having power semiconductor circuit...
Optimally factored interpolated FIR filter design
A method and system for the design and implementation of an optimally factored interpolated finite impulse response (IFIR) filter is presented. Techniques used...
This document discusses, among other things, a resistance multiplier configured to provide a more specific and controllable resistance value, the resistance...
Variable inductor circuit and high frequency circuit
A first transistor and a second transistor cascade-connected, a wiring which connects a drain of the first transistor and a gate of the second transistor, a...
Micro-step resistance networks
A series-structure, parallel-structure and combined structure of micro-step resistance network circuits is disclosed. Micro-step resistance is maintained, while...
Gain-boosted N-path bandpass filter
The present invention discloses a gain-boosted N-path SC bandpass filter (GB-BPF) with a number of sought features. It is based on a transconductance amplifier...
Elastic wave filter device and manufacturing method of the same
An elastic wave filter device includes a transmission elastic wave filter chip and a reception elastic wave filter chip. The transmission elastic wave filter...
Method of optimizing input impedance of surface acoustic wave filter
Methods of designing band-pass filters and filters are disclosed. A baseline filter design meeting first design criteria may be established, the baseline filter...
Piezoelectric thin film resonator
A piezoelectric thin film resonator includes: a substrate; a piezoelectric film that is located on the substrate and includes a first film made of an aluminum...
Film bulk acoustic resonator filter
An acoustic resonator comprising a substantially horizontal membrane of piezoelectric material with upper and lower metal electrodes on its upper and lower...
Impedance matching device and method
An impedance matching device includes a matching element array unit with a matching element array to which a transmission pulse and a received pulse pass, an...
Electronic device and method for controlling electronic device
An echo caused by sound leakage from a housing that vibrates due to a vibrating body is reduced. An electronic device (1) according to the present invention...
Multiband RF device
A device or system for transmission and reception for voice or data communication applications. The device or system is capable of duplex operation and adapted...
Hybrid translinear amplifier
A hybrid, translinear amplifier has at least one gain stage including first and second gain transistors, at least a first load transistor electrically coupled...
Low delay real-to-complex conversion in overlapping filter banks for
partially complex processing
An arrangement of overlapping filter banks comprises a synthesis stage and an analysis stage. The synthesis stage receives a first signal segmented into time...
Resistor network and mixer circuits with programmable gain
A resistor network comprises one or more switched resistor branches. Each switched resistor branch comprises a first resistor connected in series with a first...
Voice coil protection using damping
A method, system and apparatus for voice coil protection using damping are provided. At a device and/or a system comprising: a processor; a sound transducer...
Phase shift and attenuation circuits for use with multiple-path amplifiers
Embodiments of circuits for use with an amplifier that includes multiple amplifier paths include a first circuit and a second circuit in parallel with the first...
A differential amplifier may, when connected to a positive or negative supply voltage and to a ground voltage, provide a differential pair of outputs signals at...
Provided is a differential amplifier including: an operational amplifier (OP AMP) having an inverting input, a non-inverting input, an inverting output, and a...
Signal processing device, and driving method and program thereof
A power switch 307a is provided between a bias generation circuit 301 and a high potential power source, or a power switch 307b is provided between the bias...
The present disclosure provides a buffer circuit comprising a plurality of operational amplifiers and a switch module. Each operational amplifier forms a...
Current amplifier and transmitter using the same
A current amplifier and a transmitter using the same. The current amplifier includes: a first transistor having a gate coupled to a former-stage circuit, a...
Signal path termination
This disclosure relates to a harmonic termination circuit that is separate from a load line. In one embodiment, the load line is configured to match an...
Architecture of nonlinear RF filter-based transmitter
Systems and methods for compensating for a non-linear characteristic of a non-linear filter in a transmit chain of a transmitter using predistortion are...
Dual stage carrier-aggregation (CA) low noise amplifier (LNA) having
harmonic rejection and high linearity
A device includes a load circuit configured to receive an amplified communication signal, the load circuit having a center tapped inductor structure configured...
System and method for a low noise amplifier
An embodiment described herein includes a low noise amplifier (LNA) including a plurality of separate input terminals, a plurality of transistors, and an output...
Doherty power amplification apparatus and method
A multi-way Doherty power amplifier, DPA, is disclosed, comprising a first path comprising a carrier amplifier or at least one carrier amplifier segment...
Power amplifying module
The linearity of a power amplifying module employing an envelope tracking scheme is improved. The power amplifying module includes a first bipolar transistor...
A power amplifier includes an amplification transistor which performs power amplification, a bias circuit which outputs a bias voltage to a base of the...
Phase frequency detector circuit
A phase frequency detector circuit includes an edge detector circuit, a plurality of phase frequency detector sub-circuits, and a decision circuit. The edge...
Voltage-controlled oscillator with mask-selectable performance
An apparatus having a substrate with an inductor, a first die and a second die is disclosed. The first die may be (i) mounted on the substrate, (ii) configured...
Split transformer based LC-tank digitally controlled oscillator
A novel and useful LC-tank digitally controlled oscillator (DCO) incorporating a split transformer configuration. The LC-tank oscillator exhibits a significant...
Oscillator with differential structure
An oscillator with a differential structure which is formed in an integrated circuit, including: a first transistor and a second transistor in each of which a...
Method and an arrangement in connection with a solar energy system
An arrangement and a method are provided in connection with a solar energy system. The arrangement includes solar panels and a converter for converting the DC...
Three-level power conversion apparatus
A three-level power conversion apparatus can suppress fluctuation in a neutral point voltage even when operated as a reactive power regulator. The three-level...
PWM output apparatus and motor driving apparatus
A PWM output apparatus includes a calculating circuit configured to calculate an output width of a PWM output signal of a first signal and a second signal,...