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WO/2012/058471 |
An integrated circuit (IC) for compensating for a package inductance is disclosed. A first ground pad is directly connected to an on-chip ground node. A second IC ground pad is connected to the on-chip ground node via a tunable capacitor...
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WO/2012/053983 |
An integrated circuit for a radio frequency (RF) circuit such as a voltage controlled oscillator or an injection locked frequency divider is provided. The integrated circuit architecture includes a primary LC tank circuit comprising a fi...
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WO/2012/025953 |
Additive and subtractive operations are performed for the frequencies of a repeated combination of the broadcast station frequencies of a plurality of high-level electric field stations, thereby calculating all frequencies that are estim...
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WO/2012/007317 |
The invention relates to a method and a system for generating clock signals in a wireless communication device. The method includes generating an uncorrected reference clock signal, generating at least one frequency correction value corr...
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WO/2011/150952 |
A tuning system of a radio-frequency resonator filter (210). The tuning is based on the analysis of the spectrum of at least the output signal (E out) of the filter. Snatches are taken typically from both input and output signals, the sp...
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WO/2011/129951 |
A varactor circuit (200) and voltage-controlled oscillation are described. The varactor circuit (200) includes a first varactor (201), a second varactor (202), a third varactor (203), and a fourth varactor (204). A first source-drain nod...
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WO/2011/116193 |
A battery includes (fig 5) a battery housing containing a rechargeable cell (220) for providing an output voltage and a charging circuit (215). The charging circuit is coupled to the rechargeable cell and includes a voltage converter to ...
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WO/2011/113749 |
The invention relates to an adjustable capacitative element which can assume discrete capacity values the impedance values Zi of which that it can assume are distributed as evenly as possible in the Smith Chart. An adjustable capacitativ...
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WO/2011/096789 |
The present invention relates to an electrical properties enhancing device (500). The circuitry (500) is comprised of at least one portion having at least one serial branch, and at least one parallel branch. In addition, the at least one...
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WO/2011/082485 |
In a method and apparatus for operating a super-heterodyne receiver, a tuning circuit has a local oscillator for frequency shifting a desired channel to a selected frequency and a controller for controlling the local oscillator. The cont...
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WO/2011/062692 |
The control of an antenna tuner (32) for a portable electronic device (10) includes closed loop tuning when sufficient transmit power is present. The closed loop tuning commences using a predetermined antenna tuner configuration for an o...
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WO/2011/054403 |
An impedance circuit (10) comprises an input terminal (11), a first and a second capacitive arrangement (12, 13) as well as an output terminal (14) which is coupled to the input terminal (11) by a network (17, 21) which comprises the fir...
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WO/2011/046643 |
Exemplary embodiments are directed to a programmable varactor device. A varactor device may include an input device configured to receive a tuning voltage and generate a bias voltage at least partially dependent on the tuning voltage. Th...
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WO/2011/046643 |
Exemplary embodiments are directed to a programmable varactor device. A varactor device may include an input device configured to receive a tuning voltage and generate a bias voltage at least partially dependent on the tuning voltage. Th...
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WO/2011/042512 |
A capacitor arrangement comprises a capacitor (16), a transistor (11) which is coupled in series to the capacitor (16), a resistor (15) and a switch arrangement (42). The switch arrangement (42) has a first terminal (17) for receiving a ...
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WO/2011/039246 |
The present invention relates to a broadcast receiver (1) wherein the program switching time is shortened by a proximity sensor (4) disposed on its remote control (2).
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WO/2011/033908 |
A superheterodyne receiver apparatus comprises: a tuning circuit for selecting and receiving a high frequency signal, said circuit being composed of a voltage-variable capacitance element and an inductance element; and a frequency conver...
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WO/2011/029498 |
The invention also relates to a navigation system, comprising an input device for inputing an input scale value, a display device for presenting road map information according to a selected display scale value, and a processor device, wh...
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WO/2011/012474 |
A circuit tuneable between first and second frequencies comprising gain control circuitry operable to control the gain of the circuit between the first and second frequencies, the gain control circuitry comprising a resistor network havi...
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WO/2011/001168 |
According to the invention there is provided a method of producing an output signal including the steps of: providing an electronic oscillator having a switching arrangement allowing the oscillator to be switched between at least a first...
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WO/2010/151624 |
A system comprises a first clock module configured to generate a first clock reference that is not corrected using automatic frequency correction (AFC). A global position system (GPS) module is configured to receive the first clock refer...
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WO/2010/151624 |
A system comprises a first clock module configured to generate a first clock reference that is not corrected using automatic frequency correction (AFC). A global position system (GPS) module is configured to receive the first clock refer...
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WO/2010/136465 |
TV signal distribution system comprising a programmable filter device(1) which receives the TV signal and is connected to the end-user TV (3) via an interface device(2), the interconnections between the devices being made by coaxial cabl...
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WO/2010/132031 |
An antenna circuit (A) is fed with a signal, to whose frequency it should be tuned. Its reactance changes stepwise according to an algorithm implemented in a controller (C). A voltage phases at terminals (1, 2) of an element (c0, c1,...,...
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WO/2010/125388 |
A communications device, such as a GNSS receiver comprises an oscillator, having a temperature-dependent frequency characteristic, for generating signals at a nominal frequency; receiver circuitry, for receiving transmitted wireless sign...
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WO/2010/118596 |
The present invention discloses a method and device for correcting frequency offset. The device is composed of an Automatic Frequency Control (AFC) circuit and a baseband processing module. The baseband processing module is located behin...
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WO/2010/115723 |
A tuning method and circuit for an LC tank resonant circuit, including an inductor and a variable capacitor, are described. In a tuning mode, an RF input signal is applied to an input port of the circuit, and the RF output signal is moni...
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WO/2010/115723 |
A tuning method and circuit for an LC tank resonant circuit, including an inductor and a variable capacitor, are described. In a tuning mode, an RF input signal is applied to an input port of the circuit, and the RF output signal is moni...
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WO/2010/103395 |
A method for synchronizing a receiver to a received signal begins by down- converting the received signal to a first baseband signal. A coarse frequency offset (CFO) of the first baseband signal is determined and is applied to the down- ...
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WO/2010/103395 |
A method for synchronizing a receiver to a received signal begins by down- converting the received signal to a first baseband signal. A coarse frequency offset (CFO) of the first baseband signal is determined and is applied to the down- ...
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WO/2010/094784 |
A variable inductor structure for varying an inductance responsive to a digital tuning signal, comprising: a first inductor; a second, adjustable, inductor; and a digital control mechanism configured to receive the digital tuning signal ...
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WO/2010/080823 |
Systems and devices for controlling frequency drift in satellite broadcast systems. A receiver antenna system for a direct broadcast satellite signal communications system in accordance with one or more embodiments of the present inventi...
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WO/2010/069843 |
The automatic frequency correction value applied by a receiver is altered to minimize long-term drift of a path delay profile. In one embodiment, the phase or timing error resulting from constant frequency corrections is accumulated, and...
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WO/2010/062621 |
Techniques for calibrating digitally controlled oscillators (DCOs) are disclosed. In one aspect of the disclosure, an initial set of control codes for operating the DCO with a coarse frequency tuning bank with multiple overlapping coarse...
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WO/2010/058827 |
The purpose of the present invention is to reduce the fear that a third party can perform a pairing and makes operation simpler. In S1, the radio wave strength of a firstly received pairing signal is measured and held. In S2, a message...
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WO/2010/055321 |
We describe a circuit block for a resonant circuit, the circuit block having a pair of connections for connection of the circuit into the resonant circuit as a capacitor, the circuit block comprising: a first, non-linear capacitor, said ...
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WO/2010/043992 |
In wireless transceivers the crystal oscillators for frequency reference are often replaced oscillators that do not rely on any crystal. By combining the accuracy of these kinds of crystalless oscillators over the network into a higher s...
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WO/2010/027310 |
According to the teachings presented herein, a reconfigurable filter apparatus includes at least first and second passive filter sections connected in parallel to yield a composite filter response. Each passive filter section has a respe...
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WO/2010/001521 |
RDS data from a broadcast station searched by frequency sweep by a sub tuner front end (7) is used to judge RDS data containing traffic information matched with a local vehicle position. A frequency of an alternative station identified ...
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WO/2009/156805 |
An antenna device (1) includes an antenna unit (2), a power supply terminal (3) and a time constant circuit (4). The antenna unit (2) includes an antenna element (25) and a variable capacitance element (26) that is variable in capacitanc...
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WO/2009/156879 |
A method of tuning an antenna is provided, wherein the method comprises receiving a first signal strength indicator indicating a signal strength of a first data signal transmitted by an antenna on a first frequency, receiving a second si...
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WO/2009/155457 |
A method and device for managing a reference oscillator within a wireless device is presented. The method includes selecting reference oscillator parameters associated with the lowest reference oscillator error, where the selection is ba...
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WO/2009/151879 |
Various embodiments of systems, methods and apparatus are provided for changing an operational mode of a remote control (106) for a controlled device (102). A remote control queries a controlled device (402) to determine the operating st...
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WO/2009/122382 |
A wideband RF tracking filter having a set of parallel tuned resonator amplifier stages with a de-Q resistor for each subband is disclosed. The resonant amplifier contains programmable tuned LC tank impedance and an array of parallel vol...
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WO/2009/089405 |
Disclosed is a methodology for extending the bandwidth of a transmit IQ mixer by compensating for the magnitude and phase mismatch in the mixer with the use of baseband compensation constants. In phase and quadrature signals may be split...
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WO/2009/079248 |
A method and apparatus for detecting a frequency band and mode of operation using recursive sampling and narrowing down is disclosed. The method comprises sampling (215) by a multi-mode wireless communication device, a broad operational ...
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WO/2009/075779 |
A method and architecture for acquiring and processing broadcast or satellite signals is disclosed. The method and apparatus comprise a variable attenuator and a AGC controlled amplifier. The variable amplifier is operative in response t...
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WO/2009/074904 |
The present invention relates to a broadcast receiving device (1) for accelerating and fa¬ cilitating channel tuning process; comprising a receiver (2) which detects the signals sent by the remote control (5) containing keys (6) which e...
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WO/2009/075780 |
A method and architecture for acquiring and processing broadcast or satellite signals is disclosed. The method involves achieving a signal lock, estimating a signal to noise ratio or error rate with an attenuator engaged and disengaged, ...
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WO/2009/074904 |
The present invention relates to a broadcast receiving device (1) for accelerating and fa¬ cilitating channel tuning process; comprising a receiver (2) which detects the signals sent by the remote control (5) containing keys (6) which e...
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