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| Number | Title | Issue Date |
| 8058949 | Compact RC notch filter for quadrature and differential signaling In varying embodiments, the present inventive concepts relate to a notch filter for quadrature and differential signaling. No inductor is used in this notch filter, thus the integrated circuits silicon die area is small. In addition, the linearity of the notch filte... | 11/15/2011 |
| 7786824 | Multilayer filter A multilayer filter has a capacitor element body, at least two signal terminal electrodes, and at least one grounding terminal electrode. The capacitor element body has a plurality of laminated insulator layers, a first signal internal electrode and a grounding inte... | 08/31/2010 |
| 7683739 | Signal filter assembly with impedance-adjusting characteristic Disclosed is a signal filter assembly, which includes a circuit board electrically connected between a cable and a high frequency electric connector, and a plurality of filters installed in the circuit board and respectively electrically connected to the signal wire... | 03/23/2010 |
| 7567151 | Multilayer filter A multilayer filter has a capacitor element body, at least two signal terminal electrodes, at least one grounding terminal electrode, and at least one connection conductor. The capacitor element body has a plurality of laminated insulator layers, a first signal inte... | 07/28/2009 |
| 7501914 | Bias circuit A bias circuit that supplies bias voltage or bias current to one end of a transmission line includes an inductor that prohibits a high frequency component of a baseband signal transmitted on the transmission line and passes a frequency component near direct current ... | 03/10/2009 |
| 7459995 | Noise suppression circuit A small-sized noise suppression circuit capable of suppressing noise in a wide frequency range is realized. A noise suppression circuit has first and second inductors inserted in series in a first conductive line, and a series circuit configured to have a third indu... | 12/02/2008 |
| 7443267 | Low-pass filter and low-pass filter array A low-pass filter comprises a capacitor, first and second varistors, a resistor, and first to third external electrodes. The capacitor includes a dielectric body and first to third internal electrodes. The first internal electrode is connected to the third external ... | 10/28/2008 |
| 7432784 | Noise filter and mounted structure of noise filter A noise filter has an element body, first to fourth terminal electrodes, and a connection conductor. The first to fourth terminal electrodes are disposed on the exterior of the element body. The connection conductor is also disposed on the exterior of the element bo... | 10/07/2008 |
| 7424276 | Transmitter and wireless communication apparatus using the transmitter In a transmitter of polar-loop architecture having a phase control loop and an amplitude control loop, as loop filters for controlling a loop band of the amplitude control loop, a first filter with lag-lead characteristics (secondary or more filter including a capac... | 09/09/2008 |
| 7423500 | Low-pass filter capable of preventing unnecessary electromagnetic coupling A plurality of conductive patterns constituting first, second, and third inductors are formed in a multi-layer wiring board. A fifth dielectric layer is disposed between second to fourth dielectric layers having the first inductor and a seventh dielectric layer havi... | 09/09/2008 |
| 7405636 | Passive polyphase filter Four input nodes I1-I4 for inputting 4-phase signals, four resistors R1-R4, four capacitors C1-C4, and four output nodes O1-O4 for outputting 4-phase signals are provided. The resistors and the capacitors are c... | 07/29/2008 |
| 7368343 | Low leakage MIM capacitor Capacitor structures for use in integrated circuits and methods of their manufacture. The capacitor structures include a bottom electrode, a top electrode and a dielectric layer interposed between the bottom electrode and the top electrode. The capacitor structures ... | 05/06/2008 |
| 7359178 | Electrical functional unit An electrical function unit includes a carrier having dielectric layers, electrically conductive layers, and a first contact on a surface of the carrier, where the dielectric layers and electrically conductive layers are stacked such that electrically conductive lay... | 04/15/2008 |
| 7348866 | Compact printed filters with self-connected LC resonators An LC filter structure and method for its fabrication, in which multiple shunt capacitors, multiple shunt inductors and multiple coupling inductors are printed on a metal layer formed on a thin dielectric substrate. The capacitors have first electrodes that are form... | 03/25/2008 |
| 7342804 | Ball grid array resistor capacitor network An R-C network formed on a substrate. The capacitor includes a metal member with anodized and unanodized layers. The unanodized layer functions as one of the capacitor's electrodes. The anodized layer functions as the capacitor's dielectric layer. The resistor is fo... | 03/11/2008 |
| 7332976 | Poly-phase frequency synthesis oscillator A frequency synthesis/multiplication circuit and method for multiplying the frequency of a reference signal. In one embodiment, multiple versions of the reference signal are generated having different phases relative to one another, and these multiple versions are c... | 02/19/2008 |
| 7327035 | System and method for providing a low frequency filter pole Systems are provided for producing a low frequency filter pole. A first bond pad is coupled to a power source. A second bond pad is inductively connected to the first bond pad by a first bond wire. A capacitor is connected to the second bond pad. A third bond pad is... | 02/05/2008 |
| 7312528 | Semiconductor device having antenna connection electrodes A semiconductor device includes first and second antenna connection electrodes placed on the periphery of a semiconductor chip, an on-chip antenna connection electrode placed in the inner area of the semiconductor chip compared to the first and second antenna connec... | 12/25/2007 |
| 7292449 | Virtual ground return for reduction of radiated emissions A digital apparatus having a cable comprising a plurality of high-speed and low-speed signal carrying conductors, the conductors carrying the low-speed signals are bypassed to a signal ground with selected values of capacitance so as to become virtual signal ground ... | 11/06/2007 |
| 7280005 | AC coupling network with variable attenuation An AC coupling network has (a) a first pair of capacitances C1 connected between the input nodes and the output nodes and (b) a second pair of capacitances C2 cross-connected between the input nodes and the output nodes. The capacitances C1 and ... | 10/09/2007 |
| 7275873 | Adapter for coupling an external post connector or a BNC connector to an SMA bushing An assembly used to adapt an external post connector, such as a BNC type connector of a microsurgical optic fiber instrument to a threaded SMA type bushing of a light source includes an adapter that can be threaded on the bushing of the light source and is also conn... | 10/02/2007 |
| 7266361 | Multimode receiver An electric circuit suitable for use as a radio receiver or part of a radio receiver, the electric circuit comprising amplification means, frequency mixer means, and filter means, wherein the frequency mixer mans is configurable to down-convert a wanted component of... | 09/04/2007 |
| 7256721 | Network with multiple adjustment elements and sensitivities, and digital-to-analog converter implementing same A network comprises an arrangement of regular structures and merged structures, in which the regular structures each comprise one or more mutually identical fixed elements and an equal number of adjustable elements of equal value, and the adjustable elements each co... | 08/14/2007 |
| 7242269 | Filter having parasitic inductance cancellation An electrical component includes a capacitive impedance and a shunt path inductance cancellation feature provided by coupled windings. A filter having a capacitor with capacitor-path inductance cancellation provides enhanced performance over frequency compared with ... | 07/10/2007 |
| 7230476 | Bipolar high impedance element A bipolar high impedance element comprises a p-n diode made from a compound semiconductor, and circuitry arranged to reverse-bias the diode such that the diode conducts a nearly constant current—thereby enabling the element to be employed as a high impedance eleme... | 06/12/2007 |
| 7227431 | Variable matching circuit, variable resonance circuit, variable phase-shifting circuit and variable attenuation circuit each having variable-capacitance capacitor In a variable matching circuit including an impedance device and a variable-capacitance capacitor, the variable-capacitance capacitor is formed in a manner that a plurality of variable-capacitance devices using thin film dielectric layers whose dielectric constants ... | 06/05/2007 |
| 7224569 | Multilayer capacitor A first inner conductor, a second inner conductor, a first inner conductor, and a second inner conductor are disposed in the order mentioned from the top in the dielectric element. The first inner conductors are respectively led out to two opposing side surfaces of ... | 05/29/2007 |
| 7221240 | Narrow bandpass filter installed on a circuit board for suppressing a high-frequency harmonic wave The present invention is to provide a narrow bandpass filter installed on a circuit board for suppressing a high-frequency harmonic wave, which uses a metal microstrip method to directly build a microstrip circuit corresponding to a narrow bandpass filter on a circu... | 05/22/2007 |
| 7202760 | Resistive voltage divider A radio-frequency impedance device includes a resistor device mounted on a surface of a dielectric layer, and adapted to be connected between a transmission line and an output terminal associated with a load impedance. A ground conductor may extend opposite a portio... | 04/10/2007 |
| 7193499 | Chip resistor and method of making the same A chip resistor includes a resistor element in the form of a chip, and at least two electrodes formed on the resistor element. The resistor element includes an upper surface, a lower surface, and two end surfaces extending between the upper and the lower surfaces an... | 03/20/2007 |
| 7190942 | Efficient polyphase filter having a compact structure Disclosed are systems and methods which provide phase shifting of signals while minimizing signal attenuation associated with providing such phase shifting. Preferred embodiments provide a compact polyphase filter structure in which the geometry of the polyphase fil... | 03/13/2007 |
| 7183880 | Discrete inductor bank and LC filter A discrete inductive-capacitive (LC) filter selects between at least two inductor banks to tune the LC filter. The filter receives an input signal that includes one or more bands of frequencies. A control signal selects a band of frequencies for processing. A first ... | 02/27/2007 |
| 7180155 | Method for manufacturing thin-film multilayer electronic component and thin-film multilayer electronic component In a method for manufacturing a thin-film multilayer electronic component, dielectric thin films and thin-film internal electrodes are alternately layered on each other to form a laminate. The thin-film internal electrodes are alternately displaced in a predetermine... | 02/20/2007 |
| 7164331 | RF choke for cable system An RF choke for minimizing hum modulation in a coaxial cable system that carries broadband signals along with high amperage 60 Hz AC power signals. The choke contains two conductors wound about a rod core. The first conductor includes two groups of clockwise winding... | 01/16/2007 |
| 7164312 | Apparatus and method for pop-and-click suppression with fast turn-on time A circuit for audio amplification includes an amplifier and a first input resistor. The amplifier is arranged to provide an amplifier output signal that is based, in part, on a capacitively-coupled audio input signal. The capacitively-coupled audio input signal is b... | 01/16/2007 |
| 7157945 | Window comparator and method of providing a window comparator function A window comparator comprising a single comparator circuit that has a positive input, a differential negative input, and an output, wherein limits of a window are defined by a reference voltage and a window condition is defined for a differential voltage between a p... | 01/02/2007 |
| 7154325 | Using active circuits to compensate for resistance variations in embedded poly resistors Variations in the actual resistance of a target poly resistor in a semiconductor integrated circuit can be compensated for by using an active circuit that provides a negative resistance in parallel with the target resistor. This produces a tuned resistance that is c... | 12/26/2006 |
| 7142072 | Variable matching circuit, variable resonance circuit, variable phase-shifting circuit and variable attenuation circuit each having variable-capacitance capacitor In a variable matching circuit including an impedance device and a variable-capacitance capacitor, the variable-capacitance capacitor is formed in a manner that a plurality of variable-capacitance devices using thin film dielectric layers whose dielectric constants ... | 11/28/2006 |
| 7141899 | Component carrier The invention provides a structure and method of its use comprising a filtering and interference suppression device (62), particularly of the broad band type, for an electric motor (34) comprising at least a first powering brush (16) for an arma... | 11/28/2006 |
| 7142833 | Matching unit A matching unit includes a switching means for switching an inductance of a first inductor. This switching means sets an inductance such that a first inductor shows an inductance property to both of the VHF low-band and high-band, and shows a capacitance property to... | 11/28/2006 |
