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Patent # Description
US-1,028,4195 Low static current semiconductor device
Devices, systems, and methods are described herein for a low static current semiconductor device. A semiconductor device includes a power transistor and a...
US-1,028,4194 High gain load circuit for a differential pair using depletion mode transistors
A differential pair gain stage is disclosed. In one embodiment, the gain stage includes a differential pair of depletion-mode transistors, including a first and...
US-1,028,4193 Semiconductor switch control device
A semiconductor switch control device includes a bidirectional shutoff circuit that transmits or shuts off a current flowing bidirectionally between a...
US-1,028,4192 Semiconductor device
A semiconductor device including a first control circuit, a memory and a second control circuit. The first control circuit includes a monitoring section which...
US-1,028,4191 Protective circuit enabling different bias levels responsive to event faults
A circuit protective system. The system includes an output controlling enablement of a transistor and an input sensing an operational parameter associated with...
US-1,028,4190 Voltage detector circuits and methods
A voltage detector includes a first node configured to have a first supply voltage, a second node configured to have a second supply voltage, and an output...
US-1,028,4189 Redundant isolating switch control circuit
A redundant isolating switch control circuit comprises a working power supply, a power input end, a power output end, at least one field-effect transistor, a...
US-1,028,4188 Delay based comparator
A comparator includes a pair of back-to-back negative-AND (NAND) gates and a delay circuit coupled to the pair of back-to-back NAND gates. The delay circuit is...
US-1,028,4187 High speed dynamic comparator with common mode stabilization
A comparator includes a differential input pair of transistors, a pair of cross coupled n-channel metal-oxide-semiconductor field-effect (NMOS) transistors, a...
US-1,028,4186 Apparatuses and methods for phase interpolating clock signals and for providing duty cycle corrected clock signals
Apparatuses and methods for phase interpolating clock signals and for providing duty cycle corrected clock signals are described. An example apparatus includes...
US-1,028,4185 Selectively providing clock signals using a programmable control circuit
The disclosed circuit arrangements include a logic circuit, input register logic coupled to the logic circuit and including a first plurality of bi-stable...
US-1,028,4184 Booster circuit
A charge pump unit including a capacitor that accumulates a charge on an output node according to a first clock signal and a transfer gate that takes in and...
US-1,028,4183 Slew rate enhancement circuit and buffer using the same
The slew rate enhancement circuit includes: a first transistor located between a first power source and an eleventh node, the first transistor having a gate...
US-1,028,4182 Duty cycle correction scheme for complementary signals
A complementary signal path may include an amplifier circuit configured to receive a pair of complementary input signals and a data alignment circuit configured...
US-1,028,4181 Variable capacitor and electronic device
A variable capacitor includes: capacitors connected in series between first and second signal terminals, capacitances of the capacitors varying in accordance...
US-1,028,4180 Circuits for correction of signals susceptible to baseline wander
A circuit for correction of a signal which is susceptible to baseline wander. The circuit includes a front-end signal processing circuit, a slicer circuit, and...
US-1,028,4179 Multiplexer, transmission device, and reception device
A multiplexer includes filters on one principal surface of a mounting substrate and having mutually different frequency bands, and an inductance element which...
US-1,028,4178 BAW/SAW-assisted LC filters and multiplexers
Embodiments of radio frequency (RF) filtering circuitry are disclosed. In one embodiment, the RF filtering circuitry includes a common port, a second port, a...
US-1,028,4177 Filter with over temperature protection
Aspects of this disclosure relate to providing over temperature protection for a filter in a radio frequency system. The filter can include an integrated...
US-1,028,4176 Temperature compensated surface acoustic wave device and methods of manufacturing the same
Embodiments described herein may provide a surface acoustic wave (SAW) device, methods of fabricating the SAW device, and a system incorporating the SAW device....
US-1,028,4175 Elastic wave apparatus
An elastic wave apparatus includes first and second bandpass filters and the first bandpass filter is a ladder elastic wave filter. The mounting substrate...
US-1,028,4174 Acoustic filter employing inductive coupling
Disclosed in one embodiment is filter circuitry having first and second paths extending between first and second nodes. The first path has a first inductor and...
US-1,028,4173 Acoustic resonator device with at least one air-ring and frame
An acoustic resonator device includes a bottom electrode disposed on a substrate over an air cavity, a piezoelectric layer disposed on the bottom electrode, and...
US-1,028,4172 Acoustic device package and method of making
An assembly including an electrical connection substrate formed of material having a Young's modulus of less than about 10 MPa, an acoustic device die having...
US-1,028,4171 Acoustic wave devices having improved connection reliability
An elastic wave device including a substrate, an interdigital transducer (IDT) electrode provided on an upper surface of the substrate, a first wiring electrode...
US-1,028,4170 Surface acoustic wave filter, duplexer, and multiplexer
In a surface acoustic wave filter, a parallel arm resonator includes an IDT electrode and reflectors. Comb-shaped electrodes of the IDT electrode each include a...
US-1,028,4169 Bonded bodies and acoustic wave devices
An object is to improve insulation in a bonding layer and to improve a bonding strength of a supporting body and piezoelectric single crystal substrate, in a...
US-1,028,4168 Bulk acoustic wave resonator
A bulk acoustic wave (BAW) resonator includes: an acoustic reflector disposed in a substrate; a lower electrode disposed over the acoustic reflector; a...
US-1,028,4167 Self-adjusting electromagnetic coupler with automatic frequency detection
Electromagnetic coupler systems including built-in frequency detection, and modules and devices including such. One example of an electromagnetic coupler system...
US-1,028,4166 Transmitter matching network using a transformer
An apparatus for a network matching switch is provided. The apparatus includes a primary winding, a first secondary winding, a second secondary winding and a...
US-1,028,4165 Variable phase shifter, variable phase shift circuit, RF front-end circuit, and communication apparatus
A variable phase shift circuit has a phase shifter including a first port and a second port; a through path including a first port and a second port; a first...
US-1,028,4164 Circuit substrate, filter circuit, and capacitance element
A circuit substrate includes a first electrode connecting a capacitance element, a first inductance element including a first interconnect that extends from one...
US-1,028,4163 Frequency-variable LC filter and high-frequency front end circuit
A first series arm LC filter circuit includes a capacitor and an inductor connected in series to provide a series circuit between a first connection terminal...
US-1,028,4161 Electronic device with in-pocket audio transducer adjustment and corresponding methods
An electronic device includes one or more microphones, one or more sensors, and one or more processors operable with the one or more microphones and the one or...
US-1,028,4160 Amplifier with improved return loss and mismatch over gain modes
Disclosed herein are signal amplifiers that have an input impedance that varies over different bias currents. The signal amplifier includes a gain stage with a...
US-1,028,4159 Audio control using auditory event detection
In some embodiments, a method for processing an audio signal in an audio processing apparatus is disclosed. The method includes receiving an audio signal and a...
US-1,028,4158 Volume interactions for connected subwoofer device
Methods and systems are provided for volume interactions for connected playback devices. In an example implementation, a first playback device applies a state...
US-1,028,4157 Analog driver with built-in wave shaping
An amplifier includes a dynamic bias circuit and an amplification circuit coupled to the dynamic bias circuit. The dynamic bias circuit includes a plurality of...
US-1,028,4156 Amplifier and semiconductor apparatus using the same
An amplifier may include a differential pair circuit configured to generate an output signal according to a first input signal and a second input signal, a...
US-1,028,4155 Multi-level class D audio power amplifiers
A multi-level class D audio power amplifier for supplying an N-level drive signal to a loudspeaker. The multi-level class D audio power amplifier includes a...
US-1,028,4154 System and method for generating high-voltage radio frequency signals using an electronically tuned resonator
A system for generating a radio frequency (RF) signal at a drive frequency and a high voltage. The system includes a RF amplifier to amplify the voltage of a...
US-1,028,4153 Peak voltage limiting circuits and methods for power amplifiers
Peak voltage limiting circuits and method for power amplifiers. A power amplifier and/or a voltage limiting circuit includes a diode circuit coupled to an...
US-1,028,4152 Amplifier, audio signal output method, and electronic device
The present technology relates to an amplifier, an audio signal output method, and an electronic device that can inhibit unintended sound output in a class D...
US-1,028,4151 LNA with programmable linearity
A receiver front end capable of receiving and processing intraband non-contiguous carrier aggregate (CA) signals using multiple low noise amplifiers (LNAs) is...
US-1,028,4150 Power amplification module
A power amplification module includes: a first transistor that amplifies a first radio frequency signal and outputs a second radio frequency signal; a second...
US-1,028,4149 Radio-frequency devices having AM-PM distortion correction features
A power amplifier module includes a driver transistor having first, second, and third terminals, a radio-frequency input port coupled to the first terminal of...
US-1,028,4148 RF amplifier
An RF amplifier is described including an input, an output, a parallel arrangement of a first branch and at least one further branch, each branch comprising a...
US-1,028,4147 Doherty amplifiers and amplifier modules with shunt inductance circuits that affect transmission line length...
A Doherty amplifier module includes first and second amplifier die. The first amplifier die includes one or more first power transistors configured to amplify,...
US-1,028,4146 Amplifier die with elongated side pads, and amplifier modules that incorporate such amplifier die
An embodiment of a Doherty amplifier module includes a substrate, a first amplifier die, and a second amplifier die. The first amplifier die includes one or...
US-1,028,4145 Variable gain amplifier utilizing positive feedback and time-domain calibration
A variable gain amplifier utilizing positive feedback and time-domain calibration includes an integration phase and a regeneration phase. A current source...
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