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Analog and audio mixed-signal front end for 4G/LTE cellular system-on-chip
A CMOS analog and audio front-end circuit includes an enhanced analog-to-digital converter (ADC) that achieves a desired signal-to-noise-and-distortion (SNDR)...
Method and apparatus for calibrating comparator offset of
A circuit and method compensates for comparator offset in a successive approximation register analog-to-digital converter. The circuit includes a multiplexed...
Amplifier circuit and pipeline type analog-digital converter
According to one embodiment, an amplifier circuit includes a first converter generating a time signal by voltage-time converting an input signal; a second...
Systems and methods for converting radio frequency signals into the
digital domain using multi-mode optics
A multi-mode optic can receive as input a radio-frequency (RF) signal imposed on an optical carrier, and can output a speckle pattern. A digital representation...
ADC and analog-to-digital converting method
An analog-to-digital converter includes a successive approximation converter, a voltage comparator, and a controller. The successive approximation converter...
Anti process variation self-adjustable on-chip oscillator
An anti process variation self-adjustable on-chip oscillator has been disclosed according to the present invention. The on-chip oscillator includes the...
Digital phase-locked loop (DPLL), method of controlling DPLL, and ultra
low power (ULP) transceiver using DPLL
A phase-locked loop (PLL) includes a counter configured to measure voltage-controlled oscillator (VCO) information of an oscillator during a mask time, and a...
Auto frequency control circuit and receiver
According to an embodiment, an auto frequency control circuit includes a peak time detector, a first time shifter a zero-crossing time detector, and a second...
Method and apparatus for calibrating output frequency of oscillator
Provided is a method and an apparatus to calibrate an output of an oscillator. The method includes calibrating the output frequency of the oscillator to be a...
Apparatus and methods for phase-locked loops with temperature compensated
Apparatus and methods for frequency lock enhancement of phase-locked loops (PLLs) are provided. In one aspect, a PLL can include a VCO and a calibration voltage...
Oscillator with controllable frequency
Apparatuses are disclosed which comprise a coarse tuning circuitry, a fine tuning circuitry and at least one switchable capacitance.
Apparatus and method for clock synchronization for inter-die synchronized
Described is an apparatus for clock synchronization. The apparatus comprises a pair of interconnects; a first die including a first phase interpolator having an...
Charge pump with matched currents
A charge pump provides matched charging and discharging currents. One transistor is connected to an input of a charge pump core while two transistors are...
Differential charge pump
A DC-to-DC voltage converter comprising a differential charge pump that utilizes a differential clocking scheme to reduce output electrical noise by partial...
Closed loop clock signal generator with multiple reference clocks
A system may include a processor, a first clock source generating a first clock signal, a second clock source generating a second clock signal, and a clock...
Oscillation module and signals calibrating method of the same
An oscillation module includes a frequency generator, a signal calibrator, a multiplexer, and a controller. The oscillation module is calibrated by using...
Method for clock calibration
A system may include a plurality of devices, wherein each device of the plurality of devices has a respective clock source. A first device of the plurality of...
Forward counter block
A forward counter block may include at least one of a plurality of local counter storage elements for counting events. The forward counter block may also...
Hierarchical statistically multiplexed counters and a method thereof
Embodiments of the present invention relate to an architecture that uses hierarchical statistically multiplexed counters to extend counter life by orders of...
Chip or SoC including fusible logic array and functions to protect logic
against reverse engineering
A security chip including a fusible logic array. An input is configured to receive, from a verification module external to the security chip, a seed value...
Information processing apparatus and control method therefor
An information processing apparatus comprises: a programmable processing unit capable of changing a circuit configuration by a configuration; a first control...
Method for communication across voltage domains
A system may include a plurality of units, wherein each unit has a respective common mode voltage terminal, communication up terminal, and communication down...
Thermal voltage margin recovery
A method and apparatus for thermal voltage margin recovery is disclosed. In one embodiment, an integrated circuit (IC) includes first and second temperature...
Adjustable internal gate resistor
The disclosure describes a method for controlling a voltage that is applied to a voltage controlled circuit element. In one example, the method includes...
Integrated circuit device and method of implementing power gating within
an integrated circuit device
An integrated circuit device comprises at least one power gating arrangement, including at least one gated power domain, and at least one power gating component...
Switching circuit for power consumption reduction
A switching circuit includes a first switch, a second switch, and a reservoir capacitor. The first switch includes a first gate, a first source, a first drain,...
High-K (HK)/metal gate (MG) (HK/MG) multi-time programmable (MTP)
switching devices, and related systems and...
Aspects disclosed in the detailed description include high-k (HK)/metal gate (MG) (HK/MG) multi-time programmable (MTP) switching devices, and related systems...
Electronic circuit including a switch having an associated breakdown
voltage and a method of using the same
An electronic device can include a switch coupled to a switching node. In an embodiment, the switch has a breakdown voltage is less than 2.0 times the designed...
Duty cycle correction apparatus
An exemplary embodiment of the present disclosure illustrates a duty cycle correction apparatus for fast adjusting internal clocks to have specific duty cycles....
Clock glitch and loss detection circuit
A conversion circuit measures individual period lengths for periods of a clock signal. Two of the measured period lengths are selected and compared. The...
Method of controlling electronic device and electronic device
A control method and an electronic device are described. The method is applied in an electronic device which includes a first body, a second body and a rotary...
Automatic calibration circuits for operational calibration of
critical-path time delays in adaptive clock...
Automatic calibration circuits for operational calibration of critical-path time delays in adaptive clock distribution systems, and related methods and systems,...
Method for reducing noise using layout scheme and comparing device
A comparing device includes a first stage comparator and a second stage comparator serially coupled to the first stage comparator, wherein output lines of the...
Resistive divider circuit for a differential signal communications
A resistive divider circuit for differential signaling is disclosed. The resistive divider includes a first branch and a second branch and each branch has an...
Electro-mechanical voltage-controlled oscillator and a method for
generating tunable balanced oscillations
A cross-coupled complementary balanced voltage-controlled oscillator and a method for operating same. The oscillator comprises an electro-mechanical resonator,...
DC-to-DC voltage converter using switching frequency detection
A DC-to-DC voltage converter using switching frequency detection is provided. The DC-to-DC voltage converter includes a voltage conversion block including a...
Apparatus and method for offset cancellation in duty cycle corrections
An electronic device includes a clock configured to transmit a first clock signal and a second clock signal for operation of the electronic device; a duty cycle...
Apparatuses, methods, and circuits including a duty cycle adjustment
Apparatuses, methods, and duty cycle correction circuits are described. An example apparatus includes a duty cycle correction (DCC) adjustment circuit...
Mixed-technology combination of programmable elements
The present subject matter relates to systems and methods for arranging and controlling programmable combinations of tuning elements in which more than one form...
Multiband-support radio-frequency module
To provide a multiband-support radio-frequency module in which the occurrence of a harmonic signal in an amplifier circuit is suppressed and the output of a...
A high-frequency module includes a multilayer substrate, a filter substrate, a cover layer, a connection electrode, and inductors. The filter substrate includes...
Elastic wave device using SH surface acoustic wave
An elastic wave device includes a lithium niobate film, a supporting substrate, a high-acoustic-velocity film located on the supporting substrate and configured...
Nanomechanical resonator array and production method thereof
In the present invention, a nanomechanical resonator array (1), which is suitable being used in an oscillator and production method of said nanomechanical...
Resonator element, resonator, oscillator, electronic device, and moving
In a resonator element, when a width of each of arm portions of vibrating arms along an X-axis direction is set to W1, a width of each of two portions with a...
Piezoelectric bulk-wave resonator
A piezoelectric bulk-wave resonator has a single-crystal LiNbO.sub.3 substrate whose Euler Angles are in the ranges of about (78.degree. to 106.degree.,...
Elastic wave resonator including a constant pitch region with a tapering
An object of the present disclosure is to provide an elastic wave resonator having a high Q value, and producing little or no unwanted spurious signals. In...
Flip chip type saw band reject filter design
A method and system for providing a surface acoustic wave band reject filter are disclosed. According to one aspect, a surface acoustic wave band reject filter...
Diplexer including two bandpass filters
A diplexer includes a first bandpass filter provided between an input terminal and a first output terminal and selectively passing a signal in a first frequency...
Apparatus and method for filtering a signal
A simplified filter structure, and method thereof, for filtering signals received on a network are provided. The present disclosure is directed to a simplified...
Second-order filter with notch for use in receivers to effectively
suppress the transmitter blockers
The disclosed invention relates to a transceiver system comprising a notch filter element configured to suppress transmitter blockers (i.e., transmitter...