Patents in Class 327/532

Matches 1 - 45 out of 45

Match	Document	Document Title
1	7583136	Active filter for reduction of common mode current An active filter for reducing the common mode current in a pulse width modulated drive circuit driving a load, said drive circuit comprising an a-c source, a rectifier connected to said a-c source...
2	7557638	Circuit for suppressing voltage jitter and method thereof A voltage jitter suppression circuit and a method thereof are disclosed. The circuit is utilized for alleviating the voltage jitter phenomenon of an IC. Regardless of the circuit frequency and...
3	7449942	Intrinsic RC power distribution for noise filtering of analog supplies Analog supply for an analog circuit and process for supplying an analog signal to an analog circuit. The analog supply includes a noise filter having a variable resistor, and a control device...
4	7443229	Active filtering Techniques for adjusting the voltage across an active filter element include a controlled circuit element and a control circuit element adapted to control the voltage across the controlled circuit...
5	7427882	Method and apparatus for switching on a voltage supply of a semiconductor circuit and corresponding semiconductor circuit A method and an apparatus for switching on a voltage supply of a voltage domain of a semiconductor circuit is disclosed. A voltage supply is connected to a supply voltage of the semiconductor...
6	7423474	Selectable pole bias line filter A current mirror with selectable filter poles provides a selected low pass filtering function to a DC bias signal generated by the current mirror. Coupled between a first MOSFET and second MOSFET...
7	7385438	Active filter for reduction of common mode current An active filter for reducing the common mode current in a pulse width modulated drive circuit driving a load said drive circuit comprising an a-c source, a rectifier connected to said a-c source...
8	7362162	Line filter The invention is directed to a network filter that comprises at least one phase input and a protective conductor in which each phase input is connected via a filter inductance to a corresponding...
9	7265459	High Q linear controlled variable capacitor A voltage controlled variable capacitor, formed of a larger number of fixed capacitor segments and a corresponding number of switching elements, linearly switches on each switching element, one...
10	7205831	Noise filter circuit There is provided a noise canceling circuit that includes a first source terminal, a second source terminal, an output terminal, a reference voltage generator for generating a reference voltage, a...
11	7161415	Current modulation filter A current modulation filter for mitigating fluctuations in current on a power supply line due to time dependent current demands of a load circuit includes a biasing circuit for providing a source...
12	7102420	Semiconductor device and manufacturing method thereof Some of the members constituting a semiconductor element are formed from α-Si and an HSG forming process is implemented to form hemispherical polysilicon grains at some of the members formed from...
13	6781432	Control circuit of MOSFET for synchronous rectification A control circuit for a MOSFET used in a synchronous rectification circuit applies a gate voltage to the MOSFET during most of a period in which a current flows in a MOSFET. As a result, conduction...
14	6605980	Synchronous rectifier circuit The present invention relates to a synchronous rectifier circuit having a transformer (Ü) in single-phase center-tap connection. MOSFETs containing a body diode are used as switches. The MOSFETs...
15	6577180	Correction system of resistance inaccuracy in an integrated circuit process A component inaccuracy correction system has a current source capable of outputting two currents with a fixed ratio, a voltage dividing circuit formed on the integrated circuit having at least an...
16	6369641	Biasing circuits In one aspect, a bias circuit includes a rectifier, a negative bias level setter, and a negative bias extractor. The rectifier has a rectifier input and a rectifier output. The rectifier is...
17	6191647	Low noise integrated circuit device for reducing a noise on LSI power supply nets to supply electric charges required to operate IC A condenser having a huge area is required to reduce a noise on LSI power supply nets (-ΔVDD) of an integrated circuit because a bypass condenser can only utilize a part of accumulated electric...
18	6184746	PLL power supply filter (with pump) having a wide voltage range and immunity to oxide overstress A power supply filter capable of functioning with low power supply voltages includes a resistor-capacitor circuit coupled to a power supply line and a transistor for providing power to a target...
19	6091281	High precision reference voltage generator A reference voltage generator includes a voltage controlled oscillator which has fixed and accurate relationship between a frequency of an oscillation signal and a voltage supplied thereto, a...
20	5999039	Active power supply filter An active power supply filter effectively eliminates power supply noise using a resistive element and a capacitive element coupled at a node, and a switch with a control terminal controlled by the...
21	5880619	Low power precision voltage splitter A voltage splitter circuit (100) that generates a one-half supply voltage includes a first switched operational transconductance amplifier (switched OTA) (120), a first transistor switch (110) that...
22	5825238	Circuit for filtering a power supply for noise sensitive devices The present invention comprises an active shunt filter for filtering a power supply for noise sensitive devices. The active shunt filter includes a transistor and an op amp. A first resistor is...
23	5783965	Bias circuit A transistor bias circuit which achieves stable operation in a multistage-connected amplifier circuit or in a compound circuit is formed, for example, by a transistor amplifier and a mixer. The...
24	5729170	Frequency divider An input buffer circuit for a frequency divider includes a bias circuit including a first group of diodes connected in series and to a power supply voltage terminal, at least first and second...
25	5721484	Power supply filter with active element assist A power supply filter is constructed with a capacitive element and an active element coupled to a filtered node and an impedance coupled between the filtered node and a power supply node. The...
26	5701098	AC bypass circuit which provides stabilization of high frequency transient noise An integrated circuit includes a semiconductor die and electronic circuitry elements formed therein. First and second internal power supply lines transmit first and second supply voltages to...
27	5684428	Sensor apparatus capable of preventing high frequency noise A sensor apparatus is capable of removing RF noise. The sensor apparatus is comprised of a first power supply line connected to a power supply terminal; a second power supply line separately...
28	5619166	Active filtering method and apparatus An adaptive active filtering method and apparatus that detects changes in noise conditions and reduces the signal propagation speed as noise conditions worsen. This active filter has a level...
29	5519654	Semiconductor memory device with external capacitor to charge pump in an EEPROM circuit A semiconductor memory device having a memory cell array with a plurality of transistors (memory cells MC) disposed in a matrix form capable of electrically altering data. In writing data to a...
30	5508651	Sensor signal conditioning circuit An automotive sensor arrangement including an automotive sensor coupled via first and second wires to signal sensor evaluation means, a signal conditioning circuit comprising a first gate means...
31	5498994	Active filter device An active filter device simple in construction and low in price in which higher harmonic components can be stably suppressed without requiring a passive filter even when a load to be compensated...
32	4496859	Notch filter system A notch filter system for eliminating a specific "stop" frequency from an AC electrical input signal, such as 60 Hz "hum" from an audio program signal. An L/C tuned circuit that is tuned to the...
33	4412141	Three state loop keyer A transistorized keying circuit is described which provides for both polar and neutral interfacing. The circuit comprises an oscillator, an AND gate, an exclusive OR gate, a transformer, and two...
34	4075570	Circuit arrangement for transmitting an alternating current oscillation having direct current components which can be changed abruptly A circuit is shown for compensating for rapid changes in D.C. levels in high pass filter coupled vertical deflection circuits. It features a second high pass filter that applies a D.C. signal...
35	4048523	Electronic filter with active elements An electronic filter having active components for eliminating A.C. signals, and for producing constant D.C. voltage at its output, wherein the filter can be effectively used between the D.C. power...
36	3955105	Synchronous detector A synchronous detector circuit provides a direct current output as a function of an alternating current input signal. Direct current and noise level in the input is removed in a circuit including...
37	3743861	THYRISTOR HARD-FIRING CIRCUIT A gating circuit for a load controlling triac which comprises an alternating current source, a filter network for providing a DC voltage, a switch which will prevent gating signals being applied to...
38	3638038	TONE DETECTOR CONTROL CIRCUIT A tone detector control circuit arrangement for detecting a tone of a particular frequency and level. The circuit includes an input circuit, a twin "T" active filter, a buffer amplifier and an...
39	3546494	DYNAMIC FILTER
40	3431434	ACTIVE FILTER
41	3295048	Capacitor means for controlling the conduction of unidirectional switching devices in a power supply
42	3265850	High frequency heating generator for microwave ovens
43	3038123	Variable bandwidth detector
44	2886703	Selective remote control apparatus
45	2789266	Bias voltage supply

Matches 1 - 45 out of 45