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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...
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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...
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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...
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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...
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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 ...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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.
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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 ...
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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...
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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...
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WO/2017/136052A3 |
A phase interpolator is provided with a plurality of slices. Each slice includes a first switch for mixing a first clock signal into an interpolated output signal and a second switch for mixing a second clock signal into the interpolated...
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WO/2017/126241A1 |
Capacitor banks have discrete capacitance values and a very small variable range. Conventionally therefore, in order to increase the variable range of the capacitance value, multiple capacitors are connected in parallel and are used by b...
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WO/2017/121682A1 |
A band-pass filter (13) is described comprising a first first-order filter stage comprising a first resistor (R1) characterised by a first impedance and connected to a first node (25), referred to as a filter input node, and, through a s...
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WO/2017/112048A1 |
Embodiments are generally directed to smart impedance matching for high-speed I/O. In some embodiments, a circuit includes an impedance sensing block; a finite state machine to provide impedance tuning for a driver; and a control block, ...
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WO/2017/095519A1 |
A wideband RF attenuator circuit that has a reduced impact on the phase of an applied signal when switched between an attenuation state and a non-attenuating reference or bypass state. A low phase shift attenuation at high RF frequencies...
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WO/2017/089803A1 |
A variable filter has a signal loop defined between a signal input and a signal output. A plurality of circuit elements connected in the signal loop, the plurality of circuit elements comprising a frequency tunable resonator, and an adju...
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WO/2017/087485A1 |
A circuit comprises a Sallen-Key filter, which includes a source follower that implements a unity-gain amplifier; and a programmable-gain amplifier coupled to the Sallen-Key filter. The circuit enables programmable gain via adjustment to...
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WO/2017/076419A1 |
The disclosure relates to an active balun (300), including: a first terminal (303); a second terminal (305, 306); a first transistor (M1) comprising a first current path (D1-S1, lDS) and a control path (G1-S1, VGS) for controlling the fi...
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WO/2017/072911A1 |
A transconductance amplifier is provided with: a cross-coupled differential pair (31) that has a pair of differential pair transistors to the respective gates of which signals of inverted polarities are input, wherein one of the drains o...
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WO/2017/048551A1 |
In one implementation, an amplifier (305) comprises a load circuit (310) comprising a plurality of inductor cells, and a drive circuit (314) configured to receive an input signal, and to drive the load circuit (310) based on the input si...
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WO/2017/016446A1 |
Provided are a high-frequency interference resistant RF antenna impedance-matching circuit and design method thereof. The circuit comprises a first port A and a second port B respectively connected to an RFID module and an RF antenna. Th...
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WO/2017/006286A1 |
A system includes a balun, a power monitoring circuit, a first circuit, and a second circuit. The balun includes a first inductor to receive an input and a second inductor to couple the input to a load. The power monitoring circuit is co...
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WO/2016/209407A3 |
An electronic system that includes a digitally selectable phase shifter circuit and an insertion loss fine adjustment circuit such that the system as a whole exhibits little or no change in insertion loss when changing phase state, and/o...
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WO/2016/209407A2 |
An electronic system that includes a digitally selectable phase shifter circuit and an insertion loss fine adjustment circuit such that the system as a whole exhibits little or no change in insertion loss when changing phase state, and/o...
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WO/2016/201075A1 |
An interfering signal canceller for cancelling an interfering signal component of an input signal includes a voltage sensor element disposed in a primary path and fed by the input signal, a coupler disposed in the primary path and fed by...
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WO/2016/190914A3 |
Filter having filter input, filter output, and filter ground (FG), comprising: first shunt LC section having first port connected to the filter input and ground connected to the FG; series LC section having first port connected to the fi...
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WO/2016/161134A1 |
Described herein is a combination of mixed-signal hardware and software that is capable or realizing hybrid chaotic oscillators that can be tuned digitally. This includes the type/class of chaotic oscillator, initial conditions, nonlinea...
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WO/2016/151332A1 |
There is disclosed a matching network for connecting an electrically small antenna to an RF source or load. The matching network includes a negative impedance converter, a pre-matching network for connecting the negative impedance conver...
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WO/2016/151338A1 |
There is disclosed an active impedance matching network for an electrically-small antenna. The network comprises a plurality of electrically-parallel branches connected between a transceiver and the antenna. At least one branch comprises...
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WO/2016/151340A1 |
There is disclosed a negative impedance converter for a matching circuit for matching an impedance of an antenna to an impedance of an RF source or load. The negative impedance converter comprises first and second transistors connected i...
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WO/2016/136444A1 |
The purpose of the present invention is to provide a matching algorithm that converges to a matching point even in any load impedance. A matching device is provided with: a directional coupler that detects a traveling wave and a reflecte...
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WO/2016/127823A1 |
A radio frequency high-Q value band-pass filter is a feed-forward structure and comprises a main branch circuit, a feed-forward branch circuit and a subtraction circuit. The main branch circuit and the feed-forward branch circuit are the...
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WO/2016/111479A1 |
A filter according to the present embodiment comprises: an active resistor comprising a level shift unit, which receives an input signal so as to provide a control voltage formed by shifting up the level of the input signal, and a metal ...
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WO/2016/099754A1 |
Gain control in complementary common gate and common source amplifiers is disclosed. In an exemplary embodiment, an apparatus includes a first amplifier stage (302) configured to amplify an input signal at an input terminal (316) to gene...
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WO/2016/093991A1 |
Certain aspects of the present disclosure generally relate to generating a large electrical resistance. One example circuit generally includes a first transistor 210, 220 having a gate, a source connected with a first node 214 of the cir...
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WO/2016/085505A1 |
A multi-port active circulator where each of a plurality of FET transistors has (i) a gate connected to an associated port of the multi-port active circulator via a capacitor of an associated one of a plurality of first RF chokes, each o...
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WO/2016/077970A1 |
Systems and methods are described for compensating for variations in process, voltage, temperature, or combinations thereof in an apparatus. An example apparatus may be a memory circuit. A pre-driver circuit and driver circuit may be ass...
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WO/2016/081898A1 |
The present invention relates to a linear, high sensitivity, high speed trans- impedance amplifier (TIA) which allows a large dynamic range of input current up to very large values, maintains high linearity and keeps constant output volt...
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