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US20110187424 TIME-DOMAIN MEASUREMENT OF PLL BANDWIDTH  
A method and a device for determining closed loop bandwidth characteristic of a Phase Locked Loop (PLL) (52) comprising a voltage controlled oscillator (VCO) (53) controlled by means of a tuning...
US20140269854 SYSTEMS AND METHODS FOR SERIAL COMMUNICATION  
This disclosure includes a point-to-point two-lineserial interface (TSI) suitable for use in a wireless communications device as well as in other applications. The TSI may employ a protocol...
US20120249191 Source or Emitter Follower Buffer Circuit and Method  
In one aspect, a buffer circuit comprises a source or emitter follower input stage and output stage. A load is provided between the stages which comprises a representation of an output load of the...
US20110187437 Radio-Frequency (RF) Amplifier Circuits and Related Techniques  
A power combining and outphasing system and related techniques for simultaneously providing both wide-bandwidth linear amplification and high average efficiency is described. Providing linear...
US20070170969 ELECTRONIC SYSTEM HAVING A CLOCK SIGNAL CORRECTING DEVICE  
An electronic system employing a clock signal correcting device is disclosed. One embodiment provides a leading edge delay device incrementing leading edges with respect to trailing edges, a...
US20140078815 VOLTAGE RAIL NOISE SENSING CIRCUIT AND METHOD  
Apparatus and methods level shift a direct current (DC) component of a voltage rail signal from a first DC level to a second DC level such that voltage rail noise can be determined. The actual...
US20140152353 POWER STAGE  
A power stage has a differential output stage 2 driven by one or more buffer stages 4. The buffer stages 4 are implemented as high and low side buffers 12,14, each of which is itself a differential...
US20130285713 POWER STAGE  
A power stage has a differential output stage 2 driven by one or more buffer stages 4. The buffer stages 4 are implemented as high and low side buffers 12,14, each of which is itself a differential...
US20110006814 POWER STAGE  
An power stage has a differential output stage 2 driven by one or more buffer stages 4. The buffer stages 4 are implemented as high and low side buffers 12,14, each of which is itself a...
US20140057586 Systems and methods for improving the time alignment of non-overlapping waveforms  
Systems and methods for improving the timing alignment of non-overlapping waveforms are provided. In this regard, a representative system, among others, includes a waveform synthesizer that...
US20140240208 VOLTAGE LEVEL CONVERSION CIRCUITS AND DISPLAY DEVICES INCLUDING THE SAME  
A voltage level conversion circuit includes a voltage switch circuit and a level shift circuit. The voltage switch circuit is configured to sequentially output an intermediate voltage and a...
US20130200947 Programmable antenna having metal inclusions and bidirectional coupling circuits  
A programmable antenna includes a substrate, metallic inclusions, bidirectional coupling circuits, and a control module. The metallic inclusions are embedded within a region of the substrate. The...
US20110298499 INTERNAL VOLTAGE GENERATOR AND INTEGRATED CIRCUIT DEVICE INCLUDING THE SAME  
An internal voltage generator includes a comparison unit, a driving circuit and a bias unit. The comparison unit compares a reference voltage and an internal voltage and is configured to output a...
US20130120026 HIGH-STABILITY RESET CIRCUIT FOR MONITORING SUPPLY UNDERVOLTAGE AND OVERVOLTAGE  
A method of monitoring supply voltage includes providing a single reference voltage, providing a single ratioed supply voltage, comparing the reference voltage to the ratioed supply voltage to...
US20140118036 STSTEM AND METHOD FOR CONTROLLING BYPASS OF A VOLTAGE REGULATOR  
A voltage regulator bypass circuit to control bypass of a voltage regulator of an integrated circuit device, the voltage regulator bypass circuit including a first voltage detector, a second...
US20150115918 LOW DROP OUT SUPPLY ASYMMETRIC DYNAMIC BIASING  
Methods and apparatus for a dynamic bias generator are provided. In an example, a dynamic bias generator for a voltage regulator can include a slope generator and a peak detector coupled to the...
US20130195291 FAST POWER-UP BIAS VOLTAGE CIRCUIT  
The present invention relates to a DC bias voltage circuit comprising a DC bias voltage generator adapted to supply a first DC voltage. A low-pass filter has an input operatively coupled to the...
US20130321065 PROXIMITY SWITCH ASSEMBLY HAVING NON-SWITCH CONTACT AND METHOD  
A proximity switch assembly includes first and second proximity switches comprising first and second proximity sensors and a tactile feature disposed between the first and second proximity...
US20150071393 LOW POWER DIGITAL FRACTIONAL DIVIDER WITH GLITCHLESS OUTPUT  
A digital circuit that divides a high speed digital clock by a fractional value is described. The circuit utilizes a divider circuit and shifts the divider clock by a fraction of a phase to achieve...
US20130187700 ENERGY REUSE CIRCUIT  
The present invention provides an energy reuse circuit. The energy reuse circuit is connected among a plurality of converters at a releasing side or an absorbing side, and includes an energy...
US20110115560 DIFFERENTIAL PAIR WITH CONSTANT OFFSET  
A bias current is generated for an unbalanced differential pair that is proportional to the transconductance gain of the differential pair. When the transconductance gain varies (e.g., due to...
US20120119825 CIRCUIT FOR NEGATIVE BIAS TEMPERATURE INSTABILITY COMPENSATION  
An integrated circuit device includes a first circuit for providing current to a first node, and a degradation compensator including a first compensation circuit coupled to the first node to...
US20130033292 CIRCUITS AND METHODS FOR LATCH-TRACKING PULSE GENERATION  
Circuits and methods for latch-tracking pulse generation across process, voltage and temperature (PVT) variations are disclosed in one embodiment, the method includes receiving a clock input at a...
US20140266392 BOOTSTRAPPED SWITCHING CIRCUIT WITH FAST TURN-ON  
An apparatus and method for implementing a bootstrapped switching circuit having improved (i.e. faster) turn-on time is provided. In an embodiment, an inner switching loop is implemented in a...
US20130300492 SWITCHING POWER CAPABLE OF AVOIDING COUPLING EFFECTS  
A switching power capable of avoiding coupling effects is provided. The switching power comprises a driving loop. The driving loop comprises the substrate end and the gate end of a power...
US20130063197 Switching Clock Sources  
A clock-switching circuit having at least two inputs for receiving at least two different clock sources, an output for providing a selected one of the clock sources, and a switch for selecting the...
US20110298502 Switching Clock Sources  
A clock-switching circuit having at least two inputs for receiving at least two different clock sources, an output for providing a selected one of the clock sources, and a switch for selecting the...
US20120235732 INTEGRATED CIRCUIT COMPRISING REFERENCE VOLTAGE GENERATION CIRCUITRY AND ELECTRONIC DEVICE  
An integrated circuit comprises reference voltage generation circuitry for providing a reference voltage for use within a transmission of electrical signals. The reference voltage generation...
US20110221502 TESTABLE INTEGRATED CIRCUIT AND TEST METHOD THEREFOR  
Disclosed is an integrated circuit (200) comprising a plurality of cores (110, 110), at least some of the cores being located in different power domains (VDD1, VDD2), each core being surrounded by...
US20120013365 LOW VOLTAGE DETECTOR  
A low voltage detector (100) includes a voltage and current reference circuit (102); a power supply voltage monitor circuit (104), coupled to the voltage and current reference circuit and to a...
US20140021995 D Flip-Flop with High-Swing Output  
A D flip-flop includes a first switch, a level shifter, and a second switch therein. The first switch includes a first input and a first output. The level shifter includes a second input coupled to...
US20140225651 Delay Locked Loop Circuit and Method  
A delay locked loop includes initialization circuitry that ensures that a DLL is initialized to an operating point that is not to close to either end of a delay vs. control voltage characteristic....
US20130176061 Delay Locked Loop Circuit and Method  
A delay locked loop includes initialization circuitry that ensures that a DLL is initialized to an operating point that is not to close to either end of a delay vs. control voltage characteristic....
US20140203852 JITTER MONITOR  
A jitter monitor includes: a voltage generating circuit configured to generate a first voltage that is varied with time at a predetermined inclination; a voltage reducing circuit configured to...
US20140375369 SUPPLY VOLTAGE GENERATING CIRCUIT  
A supply voltage generating circuit that enables a reduction in chip area includes: a booster for outputting a boosted voltage upon generating the boosted voltage by charge pumping of a capacitor...
US20130265103 SUPPLY VOLTAGE GENERATING CIRCUIT  
A supply voltage generating circuit that enables a reduction in chip area includes: a booster for outputting a boosted voltage upon generating the boosted voltage by charge pumping of a capacitor...
US20120025884 Method and Apparatus for Conveying and Reproducing Multiple Independent Timebases Using a Shared Reference Clock, Clock Snapshots and a Packet Network  
Disclosed are methods and systems of conveying and reproducing independent timebases in a network. The methods include distributing a common measurement clock and a common measurement clock counter...
US20120063244 VOLTAGE GENERATOR, NONVOLATILE MEMORY DEVICE COMPRISING VOLTAGE GENERATOR, AND METHOD OF OPERATING VOLTAGE GENERATOR  
A voltage generator comprises a first booster that generates a first high voltage, and a second booster that generates a second high voltage by boosting an external voltage. The first booster...
US20130049828 AC SUPPLY NOISE REDUCTION IN A 3D STACK WITH VOLTAGE SENSING AND CLOCK SHIFTING  
There is provided an alternating current supply noise reducer for a 3D chip stack having two or more strata. Each of the strata has a respective one of a plurality of power distribution circuits...
US20110285451 PRECISION VOLTAGE DIVIDER  
A circuit for producing a quotient of two input voltages, Vy and Vx has a resistor across which said two input voltages are selectively successively applied. An operational amplifier has a...
US20120139606 MULTI-VOLTAGE INPUT BUFFER  
In hard disc drive (HDD) applications, there is often a need for input buffers that can operate at a variety of voltages (i.e., 1.8V, 2.5V, and 3.3V) as well as tolerate high voltages (i.e., 5V)....
US20120049947 METHOD AND DEVICE FOR MEASURING INTEGRATED CIRCUIT POWER SUPPLY NOISE AND CALIBRATION OF POWER SUPPLY NOISE ANALYSIS MODELS  
A method and device for measuring integrated circuit power supply noise and calibration of power supply noise analysis models. The method includes collecting power supply noise monitor data from an...
US20140253211 LOW VOLTAGE LEVEL SHIFTER FOR LOW POWER APPLICATIONS  
A level shifter circuit for low power applications that can shift the level of a digital signal that is below the threshold voltage of output transistors. The level shifter uses core transistors in...
US20140253213 LEVEL SHIFTING CIRCUIT WITH ADAPTIVE FEEDBACK  
An amplifier has a first pull-up path coupled between a voltage supply node and an output node, and a pull-down path coupled between the output node and a ground supply node. A second pull-up path...
US20140035672 LEVEL SHIFTING CIRCUIT WITH ADAPTIVE FEEDBACK  
An amplifier has a first pull-up path coupled between a voltage supply node and an output node, and a pull-down path coupled between the output node and a ground supply node. A second pull-up path...
US20120223771 TEMPERATURE COMPENSATION AND COARSE TUNE BANK SWITCHES IN A LOW PHASE NOISE VCO  
The LC tank of a VCO includes a main varactor circuit and temperature compensation varactor circuit coupled in parallel with the main varactor circuit. The main varactor is used for fine tuning....
US20120313694 INTERNAL VOLTAGE GENERATION CIRCUIT AND OPERATION METHOD THEREOF  
An internal voltage generation circuit includes a pumping voltage generator including a plurality of pump units and configured to generate a final pumping voltage of a target voltage level, and an...
US20140103991 BOUNDED BIAS CIRCUIT WITH EFFICIENT VT-TRACKING FOR HIGH VOLTAGE SUPPLY/LOW VOLTAGE DEVICE  
Disclosed is a device and method for providing a bounded bias voltage with improved Process Voltage Temperature (PVT) adjustment. An embodiment may include a bias_n generation circuit that adjusts...
US20130049783 VOLTAGE CLAMPING CIRCUIT AND USE THEREOF  
A voltage clamp circuit for reflecting a voltage at an input node includes a circuit for providing at least two currents at its output terminal, and at least two diodes each being connected to an...
US20130154716 Circuit Topology for a Phase Connection of an Inverter  
A circuit for a phase connection of an inverter includes upper and lower bridge halves and respectively associated upper and lower bridge segments. Each bridge half has an outer switch and an inner...