|| List of recent Clamping Circuit-related patents
| Soft-switching inverter|
An inverter with soft switching is used for a high step-up ratio and a high conversion efficiency. The inverter includes an isolation voltage-quadrupling dc converter and an ac selecting switch.
|Series type surge suppressor and clamping circuit|
Various embodiments relate to a degrade-resistant surge suppressor that detects and suppresses surge events. The surge suppressor includes a high impedance high pass filter, one or more series inductors, and one or more capacitor banks.
|System and method for operating an electric power converter|
A regulating system for an insulated gate bipolar transistor (igbt) includes a clamping circuit coupled to the igbt. The igbt is coupled to a gate driver circuit.
|Oscilloscope probemeasurement of radio frequency transmission using curved beamsplitter and detector having output clamping circuit|
A system is provided for monitoring communication in a wireless network. The system comprises a sniffer device comprising a first antenna, and a beamsplitter having a curved shape and configured to reflect a portion of a beam transmitted by a second antenna toward the first antenna while transmitting a remaining portion of the beam toward a target..
|Anti-blooming circuit for integrating photodiode pre-amplifiers|
An input clamping circuit of a photo detector preamplifier is activated when an input transistor is turned off by an input overload, and the drain voltage of the input transistor is pulled toward ground by a current source. Even with extreme overloads, the operating conditions (vgs and id) of the input transistor remain within normal range.
|Power management integrated circuit for driving inductive loads|
A power management integrated circuit includes pairs of high-side and low-side drivers, sensing circuitry, and a processor. The high-side and low-side drivers are used in combination with external discrete nfets to drive multiple windings of a motor.
|Dual-port sram with bit line clamping|
In one embodiment, a memory includes a plurality of bit lines and a write driver for driving a driven bit line selected from the plurality of bit lines during a write operation. The write driver is coupled to an internal node.
A clamping circuit includes a clamping element with a control terminal and a load path that is coupled between a first circuit node and a second circuit node. A control circuit is coupled between the first circuit node and the second circuit node and is also coupled to the control terminal of the clamping element.
|Apparatus and method for electronic circuit protection|
Apparatuses and methods for providing transient electrical event protection are disclosed. In one embodiment, an apparatus comprises a detection and timing circuit, a current amplification circuit, and a clamping circuit.
|3d-ic differential sensing and charge sharing scheme|
The present invention discloses a 3d-ic differential sensing and charge sharing scheme which includes a plurality of tsvs including a first tsv and a second tsv. A tracking circuit is coupled to the first tsv.
|Ac side soft charge circuit for variable frequency drives|
A voltage source inverter comprises a rectifier having an input for connection to a multi-phase ac power source and converting the ac power to dc power at an output. An inverter receives dc power and converts the dc power to ac power.
|High-voltage power converter|
The present invention relates to a high-voltage power converter comprising a number of controllable switching valves, each switching valve comprising a plurality of series connected switching units, the high-voltage power converter further comprising a resonance circuit comprising a link inductor and a link capacitor, and a plurality of clamping circuits connected in series, each clamping circuit comprising a clamping capacitor and a clamping switching unit.. .
|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 circuit, and outputs for providing four clamped voltages, and a split npn darlington transistor having an input coupled to the reference voltage circuit, and four separate outputs for providing four ac ground voltages.. .
|Method, power unit, and power system having gate voltage limiting circuit|
A power unit (e.g., inverter module) includes a housing and a switch attached to the housing. The switch may be configured to be electrically coupled to a remotely-mounted drive circuit through two or more wire leads.
|Adaptive cascode circuit using mos transistors|
The present invention relates to a cascode circuit using mos transistors. In one embodiment, an adaptive cascode circuit can include: (i) a main mos transistor; (ii) n adaptive mos transistors coupled in series to the drain of the main mos transistor, where n can be an integer greater than one; (iii) a shutdown clamping circuit connected to the gates of the n adaptive mos transistors, where the shutdown clamping circuit may have (n+1) shutdown clamping voltages no larger than rated gate-drain voltages of the main mos transistor and n adaptive mos transistors; and (iv) n conduction clamping circuits coupled correspondingly to the gates of the adaptive mos transistors, where the n conduction clamping circuits may have n conduction clamping voltages no larger than the conduction threshold voltages of the adaptive mos transistors..
|Apparatuses and related methods for overflow detection and clamping with parallel operand processing|
A method and apparatus for overflow detection and clamping with parallel operand processing for fixed-point multipliers is disclosed. The disclosure predicts when a multiplication of a number of operands will exceed a pre-determined number of bits based upon the fixed-point format of the operands.
|Illumination controlling circuit and illumination system|
The invention discloses an illumination controlling circuit coupled between a household electricity input and an illumination lamp. The illumination controlling circuit includes a dimmer module, a sampling-and-holding circuit, a differential circuit, an integrator circuit and a clamping circuit.
|Precharging and clamping system for an electric power system and method of operating the same|
A power converter includes a plurality of direct current (dc) conduits and a precharging and clamping circuit coupled to the dc conduits. The precharging and clamping circuit includes at least one diode, at least one switching device coupled in parallel with the diode, and at least one contactor device coupled to an alternating current (ac) source and the diode.
|Data read circuit, nonvolatile memory device comprising data read circuit, and method of reading data from nonvolatile memory device|
A nonvolatile memory device comprises a nonvolatile cell array comprising a memory cell and a reference cell, a clamping circuit electrically connected to the memory cell and configured to clamp a voltage applied to a data sensing line during a read operation, and a clamping voltage generation unit configured to generate a clamping voltage responsive to a first voltage having a level based on the reference cell, and to feed back the clamping voltage to the clamping circuit.. .
|Control circuit for controlling the maximum output current of power converter and method thereof|
A control circuit of the power converter according to the present invention comprises a feedback circuit, an output circuit and an adaptive clamping circuit. The feedback circuit generates a feedback signal in accordance with an output of the power converter.
|Controller and power converter using the same for clamping maximum switching current of power converter|
A controller of a power converter is provided. The controller includes a feedback circuit, an output circuit, and a clamping circuit.
|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 output terminal of the circuit for providing at least two currents. The diodes also are connected to a line of a ground voltage and to the input node respectively.
|Voltage clamp circuit, a switching power supply device, a semiconductor integrated circuit device, and a voltage level conversion circuit|
A voltage clamping circuit which operates in a stable manner and a switching power source device which enables high-speed operation. In the switching power source device, one source/drain route is connected to an input terminal to which an input voltage is supplied, a predetermined voltage to be restricted is supplied to a gate, and using a mosfet which provides a current source between another source/drain route and a ground potential of the circuit, a clamp output voltage which corresponds to the input voltage is obtained from another source/drain route.
|Solid-state imaging device|
According to one embodiment, a solid-state imaging device includes an effective pixel portion in which effective pixels are provided, a light-shielded pixel portion in which light-shielded pixels are provided, an adc circuit that performs an ad conversion operation for signal components read from the effective pixel and the light-shielded pixel, on the basis of a result of a comparison with a reference voltage on which a clamping voltage is superimposed, and an ad clamping circuit that calculates a clamping voltage for a target value of a black level read from the light-shielded pixel by extrapolating a relation between the clamping voltage and an ad-converted value of the black level read from the light-shielded pixel at the time when the clamping voltage is applied.. .