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Matches 1 - 50 out of 12,599

Document Document Title
WO/2019/157479A1
An antenna impedance tuner can include first and second nodes, a bypass path, first and second series capacitance paths, and an inductance path, with each path being implemented between the first and second nodes and including a switch c...  
WO/2019/125326A2
The invention is related to a multi-port circuit creating simple structure realizations of circuits and circuit components which are theoretically defined, however do not have any realization or are implemented with complicated and costl...  
WO/2019/116299A1
The invention relates to a tunable, silicon-based negative-resistance circuit (10, 30) and to an active filter (50) for E-band frequencies (60 to 90 GHz). A base of a transistor (11) is connected to an on-chip inductive transmission line...  
WO/2019/110128A1
A combined mixer and filter circuitry is disclosed. The combined mixer and filter circuitry comprises a mixer comprising a first input, a second input and an output. The combined mixer and filter circuitry further comprises a filter comp...  
WO/2019/105595A1
A cascading selective microwave switch (cascade) includes a set of Josephson devices, each Josephson device in the set having a corresponding operating bandwidth of microwave frequencies, wherein different operating bandwidths have diffe...  
WO/2019/092605A1
A second-order all-pass network has at least three Second Generation Current Conveyors (CCIIs). A network input is connected or connectable to a Y port of a first CCII, a Z port of the first CCII is connected to a Y port of a second CCII...  
WO/2019/091300A1
A control circuit is disclosed for controlling operation of a radio frequency (RF) transistor. The control circuit has a first sub-circuit that accepts a reference voltage and a reference current. The control circuit has a second sub-cir...  
WO/2019/084674A1
A configuration of switches added to a line control circuit allows for switching back and forth between a configuration featuring a series-connected thyristor switch and reactor and a configuration featuring a parallel-connected thyristo...  
WO/2019/074714A1
In certain aspects, a circuit comprises a low noise amplifier (LNA) configured to receive a radio frequency (RF) signal, a first mixer coupled to the low noise amplifier (LNA), and a first trans-impedance filter coupled to the first mixe...  
WO/2019/070768A1
A digital phase shifter is described where each bit of the phase shifter has a circuit block including one PIN diode in parallel with one transmission line. The phase shifter requires only one PIN diode and one transmission line per bit ...  
WO/2019/060101A1
Certain aspects of the present disclosure relate to multi-band filter architectures and methods for filtering signals using the multi-band filter architectures. One example multi-band filter generally includes a transconductance-capacita...  
WO/2018/236613A1
A short-channel metal oxide semiconductor varactor may include a source region of a first polarity having a source via contact. The varactor may further include a drain region of the first polarity having a drain via contact. The varacto...  
WO/2018/227409A1
A metal-oxide semiconductor (MOS) field effect transistor-based filter circuit and a chip, the filter circuit comprising: a first MOS field effect transistor (M1) and an electrostatic discharge unit; during normal operation, a filter cap...  
WO/2018/222621A1
A differential input receiver comprises an input circuit (402) having first (410) and second (418) input nodes configured to receive a differential input signal; a first output circuit (419) having a first capacitor (420) coupled between...  
WO/2018/215973A1
A method and apparatus for modifying or controlling a resonator connected to a signal loop having an input (18828), an output (18822), and a closed loop frequency response. The signal loop has a primary resonator (18810) having a primary...  
WO/2018/204417A1
A double-balanced radio-frequency (RF) mixing digital-to-analog converter (DAC) apparatus includes a load network, a first set of resistive DAC driver circuits and a first mixing core. The first mixing core can receive first RF input sig...  
WO/2018/187263A1
A delay circuit (100) includes precharge and discharge transistors (Ml, M2) configured to receive an input signal. The delay circuit (100) also includes a resistor (Rl) coupled to the precharge transistor (Ml) having a negative temperatu...  
WO/2018/180111A1
According to the present invention, a noise removal circuit (100) has a function of an attenuator which attenuates, at a prescribed ratio, a signal of a voltage difference between a first input signal terminal (1) and a second input sign...  
WO/2018/183863A1
A circuit for attenuating a signal has an input configured to receive an input signal, an output configured to transmit an output signal, a first attenuation path (having a first active circuit device) between the input and the output, a...  
WO/2018/168379A1
This fluid control device (10) includes: a piezoelectric pump (11) which has a piezoelectric element (12) and has an output for discharge pressure that changes according to the drive frequency of the piezoelectric element (12); a self-os...  
WO/2018/159972A1
This phase shifter comprises: a fixed line having one end connected to an input terminal, to which a wireless signal is input, and the other end connected to one of a plurality of output terminals, to which the wireless signal is output,...  
WO/2018/158902A1
Provided is a polyphase filter comprising: a first transistor (2a) for amplifying a first I signal V IP to be inputted from a first input terminal (1a); a second transistor (2b) for amplifying a first Q signal V QP to be inputted from a ...  
WO/2018/159973A1
A phase shifter comprises: a fixed line having one end connected to an input terminal through which a radio signal is inputted and the other end connected to one of a plurality of output terminals through which the radio signal is output...  
WO/2018/148615A1
The present disclosure provides a super-regenerative transceiver with a feedback element having a controllable gain. The super-regenerative transceiver utilizes the controllable gain to improve RF signal data sensitivity and improve RF s...  
WO/2018/140115A1
A phase shifter cell (100) and multiple coupled phase shifter cells that mitigate signal glitches arising from phase state changes by a combination of design architecture and control signal timing (A, B, C, D). Specifically, one or more ...  
WO/2018/135831A1
Provided are a phase shift module and a communication device comprising same. The phase shift module, according to one embodiment of the present invention, comprises: a plurality of phase shifters which are arranged in parallel and respe...  
WO/2018/116825A1
The present technology relates to a single-phase differential conversion circuit, a signal processing method therefor, and a reception device capable of improving linearity of input/output characteristics. The single-phase differential c...  
WO/2018/091335A1
An apparatus (100; 400) for varying amplitude and phase of signals along at least one signal path (I) is disclosed. The apparatus comprises: an input (101) for receiving an input signal; an output (102) for providing an output signal; a ...  
WO/2018/061016A1
An electronic emulation component for actively emulating a passive electronic component such as a capacitor or inductor having a desired value, comprises a pair of terminals for connection to an external circuit and across which the desi...  
WO/2018/050221A1
A filter circuit (70), comprising a filter (72) and a current mode programmable gain amplifier (74), is provided. The filter circuit (70) is configured to filter an input signal (VF_IN+, VF_IN-, ), resulting in an output signal. The filt...  
WO/2018/040160A1
Provided are a mismatch compensation method and a mismatch compensation device for a radio frequency transmission line, wherein the mismatch compensation method for a radio frequency transmission line comprises: extracting a scattering p...  
WO/2018/042247A1
A transformer-based balun circuit is disclosed herein. The balun can be implemented using a spiral transformer (204), where primary transformer windings (206) and secondary transformer windings (208) can be inductively coupled and can be...  
WO/2018/034779A1
Certain aspects of the present disclosure provide methods and apparatus for calibrating a tunable active filter. One example apparatus is a filter circuit that generally includes a tunable active filter comprising at least one amplifier ...  
WO/2018/035178A1
An attenuation cell is provided for use in a switched attenuator. The attenuation cell includes an attenuation path that has an input, a first switch, a resistive network, a second switch, and an output. The resistive network provides a ...  
WO/2018/033746A1
A circuit comprising: a passive reactive component (L1); and an active circuit (320), the active circuit arranged to increase the AC voltage difference across the reactive component by changing the current at an input (A) to the reactive...  
WO/2018/031194A1
A circuit includes an active balun having an RF signal input and having differential signal outputs, the active balun including a first pair of transistors coupled to the RF signal input, the first pair of transistors including a first t...  
WO/2018/013207A1
The de-Qing loss and phase imbalance caused by the inherent capacitance of a switched resistance, such as a MOSFET with a resistor, can be reduced by using a shunting switch across the resistor that is in series with the resistor's switc...  
WO/2018/005795A1
A dynamic matching system for plasma generation that maintains a near-constant driving point impedance across an entire plasma operating range is provided. The matching system includes a Resistance Compression Network (RCN), impedance tr...  
WO/2017/216896A1
The present invention is provided with: a filter unit that amplifies signals in a predetermined frequency band, said signals being among input signals; an abnormality detection unit that detects an overvoltage of the signals amplified by...  
WO/2017/194141A1
The disclosure relates to a tunable filter, comprising: a filter input; a filter output; at least one feedback loop coupled between the filter output and the filter input, wherein the at least one feedback loop comprises at least one tun...  
WO/2017/196016A1
[Technical field/Problems to be solved] The present invention relates to a device for sensing an inputted sound and converting the same into corresponding light. [Means for solving problems] The present invention comprises: a wideband fi...  
WO/2017/179301A1
A transistor (M1) having a gate which is capacitively coupled to a wiring line (L1) is connected between wiring lines (L1, L2) connected respectively to output nodes (OT1, OT2) which output a reference voltage (VREF_OUT). A replica circu...  
WO/2017/180651A1
To compensate the negative effect of a parasitic impedance element in a two-stage arrangement of a first and a second electric component a compensation element is inserted between first and second stage to supplement the parasitic impeda...  
WO/2017/174533A1
The invention relates to an amplifier device (14) adapted for an antenna-like transducer for MRI applications, especially for an RF coil, wherein the amplifier device (14) comprises at least one amplifier channel (16) including: an input...  
WO/2017/153852A1
A circuit (10) is configured to reduce a noise component of a measured phase signal. The circuit (10) comprises an input (12) for a phase signal of an oscillator and an error signal estimator (14) configured to determine parity informati...  
WO/2017/149699A1
Provided are a table unit (21) in which the relationship between a control code and the gain of variable gain amplifiers (13), (14) is recorded; a gain control unit (22) for setting the gain of variable gain amplifiers (13), (14); an amp...  
WO/2017/150267A1
This vibration control device comprises a piezo element (1) fixed to an object to be controlled (4), and a pseudo inductor circuit (2) and a negative resistance circuit (3), which are connected to the piezo element (1) in series.  
WO/2017/149698A1
A vector synthesis phase shifter is configured so that a gain control unit (9), by controlling the gains of an I VGA (5) and a Q VGA (6), adjusts the phases of synthesized signals output from a signal synthesis unit (7) without changing ...  
WO/2017/147243A1
An attenuation circuit with a low insertion loss is provided. The attenuation circuit includes an input to receive an input signal, an output to provide an attenuated signal, an attenuator coupled between the input and the output, the at...  
WO/2017/141086A1
The invention relates to a method for automatically adjusting a single-input-port and single-output-port tunable matching circuit, for instance a single-input-port and single-output- port tunable matching circuit coupled to an antenna of...  

Matches 1 - 50 out of 12,599