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Patent Searching and Data


Matches 651 - 700 out of 12,546

Document Document Title
WO/2007/130102A1
Electronic receiver array for decoding data encoded into electromagnetic radiation, (e g, light) Light is received at an ultra-small resonant structure (12) The resonant structure generates an electric field in response to the incident l...  
WO2007088127B1
This disclosure addresses providing gigabit-rate data transmission over wireless radio links, using carrier frequencies in the millimeter-wave range (> 30 GHz). More specifically, a circuit for detection of amplitude-shift keyed (ASK) or...  
WO/2007/127574A2
A phase-frequency detector (110) is provided. The phase-frequency detector can include a frequency counter delay (147) for counting cycles of an output signal to generate a divided variable frequency delayed signal (FVd 146) having a tim...  
WO/2007/125326A1
In a terahertz radiation detection system, such as a terahertz camera, an array of feedhorns feeds detected radiation to diode-based mixers for mixing with a local oscillator to produce modulated intermediate frequency (“IF”) signals...  
WO/2007/125303A2
A transceiver capable of processing signals having wavelengths of less than 1 millimeter and/or more than 1 millimeter comprising a mixer/filter circuit coupled to an IF filter where said mixer/filter circuit is positioned within a mixer...  
WO/2007/122191A2
The invention relates to a data slicer (DS) circuit for processing a voltage signal (AF) input having two voltage values (V1, V0), each value representative of a value assigned to one characteristic of a modulated baseband carrier signal...  
WO/2007/123072A1
It is possible to suppress distortion of output of a mixer. A modulator (1) includes a local signal source (10) for generating an in-phase local signal, a multiplier (12) for multiplying an in-phase baseband signal (I) by the in-phase lo...  
WO/2007/124202A2
An AC coupled voltage transducer for an RF sensor, the apparatus includes an RF power source, an RF current carrier and a voltage transducer, wherein the voltage transducer is adapted to form a closed surface around a portion of the RF c...  
WO/2007/123862A2
Novel systems and methods are described in which performance of equalizers can be improved by reducing the effects of error propagation in equalizers that use a Viterbi Decoder (70). Systems and methods of symbol correction in prediction...  
WO/2007/118762A1
A balanced series mixer with a balun transformer (10)that has a high-frequency source port and an antenna port on one side, two diode ports on the other side, two diodes (20,22) that are switched between the diode ports and the high-freq...  
WO/2007/116974A1
Provided is a switched capacitor type filter device having a steep characteristic with a small number of taps. The filter device includes positive polarity selecting switches (1311 to 1354), negative polarity selecting switches (1411 to ...  
WO/2007/117785A2
Methods and corresponding systems for suppressing noise in an input signal (204) include setting a minimum overall gain in a noise reduction processor (206) for processing a first frame of data associated with the input signal (204). In ...  
WO/2007/117322A2
In an embodiment, a wireless device receiver chain includes a mixer with a common-gate common-source (CGCS) input stage. Differential signals from an off-chip matching network may be input to the CGCS input stage of the mixer, which down...  
WO/2007/114705A1
There is provided an analog phase locked oscillator comprising a sampling phase detector (2), a loop filter (3), a voltage controlled oscillator (4), a frequency multiplier (7) and a feedback loop (9) where the feedback loop (9) connects...  
WO/2007/113733A2
Mixer circuits (1) comprise mixers (2) for receiving input signals and oscillation signals and for outputting output signals. By providing the mixers (2) with loads (3) having adjustable load values and by introducing adjustors (4) for a...  
WO/2007/111980A1
A phase measurement system for measuring a phase difference between an input signal and a reference signal, comprises: a phase comparator having a first input receiving a first sample of the input signal and a second sample of the input ...  
WO/2007/108163A1
A single constant current source (IO) is connected, in a common source fashion, to first and second differential amplifiers (10I,10Q) that perform a differential amplification based on the same input signal. The single constant current s...  
WO/2007/105758A1
Provided is an orthogonal demodulation device, which makes effective use of the result of an orthogonal detection so as to improve a demodulation efficiency. The orthogonal demodulation device comprises an orthogonal detector (DT) for or...  
WO/2007/106828A1
Embodiments of a multi-mode receiver, transmitter, and method are generally described herein. Other embodiments may be described and claimed. In some embodiments, a sliding IF architecture that uses a zero-IF mixer and partially overlapp...  
WO/2007/102100A1
A signal processor comprises a frequency converter (FCV) for frequency- shifting an input spectrum (PRF) so as to obtain an output spectrum (IF) that is a frequency- shifted version of the input spectrum (PRF). The frequency converter (F...  
WO/2007/100114A1
It is possible to compensate a carrier leak for any carrier arrangement. A transmitter includes; carrier leak compensation means (2) for adding a compensation value to a transmission signal which has been inputted; an analog orthogonal m...  
WO/2007/097084A1
A receiving apparatus for performing a synchronous detection of a modulated signal under an excellent trackability. An orthogonal signal generating means (1) generates, from a modulated signal (Sin(t)), an I signal (SI(t)) and a Q signal...  
WO/2007/097319A1
A quadrature demodulator for suppressing noise affections as much as possible even when the level of a received signal becomes small, thereby reducing the occurrences of erroneous reproduction of the received data. In the quadrature demo...  
WO/2007/090369A1
The transmitting/receiving apparatus (1) is used for simultaneous transmission and reception of radio-frequency signals (Sl, Sl 1, S2). It has a signal source (2) for producing an interrogation radio-frequency signal (Sl), an antenna (3)...  
WO/2007/092067A2
A receiver (e.g., for a 1OG fiber communications link) includes an interleaved ADC coupled to a multi-channel equalizer that can provide different equalization for different ADC channels within the interleaved ADC. That is, the multi-cha...  
WO/2007/086255A1
The variation of the threshold value of a diode-connected transistor is compensated for so as to maintain a constant rectification efficiency of a rectifying circuit, thereby performing a stable activation signal detection. A constant vo...  
WO2006107911B1
A system that includes a receiver (100) that is configured for: selecting (210) a set of demodulator output samples and a corresponding set of reference symbols; generating (220) a set of raw channel estimates based on the set of demodul...  
WO/2007/080918A1
A phase comparison circuit is provided with a fraction divider (31) for forming a fraction divisional signal (Svn) by fraction-dividing a clock signal in response to a control signal from a control circuit (32), a first integer divider (...  
WO/2007/081795A2
A DC voltage offset correction circuit that provides for correction of a DC offset voltage of an output of a filter stage of a complex filter circuit includes a DC offset sensing device that is connected to an output of a filter stage of...  
WO/2007/079282A2
A method of dynamic switching of a plurality of carrier loops on a radio receiver, wherein each channel comprises a plurality of carrier tracking loops and wherein each carrier tracking loop is configured to track a radio source. Each ca...  
WO/2007/074413A1
The invention relates to a wideband communications receiver (1), especially a receiver in a wireless local area network, comprising: - an antenna interface module (RFM) including a low noise amplifier (3, 3.1, 3.2) connected to an antenn...  
WO/2007/073259A1
The invention relates to a mixer circuit comprising a mixer core 440 for mixing an input frequency signal with a local oscillator signal. The mixer circuit 400 further comprises a variable current block 430 arranged to feed the mixer cor...  
WO/2007/068547A1
A method of providing an input signal to a mixer circuit comprises coupling an output signal from a low-noise amplifier circuit to a mixer input of the mixer circuit via an AC coupling circuit, comprising an inductive of capacitive coupl...  
WO/2007/070136A1
A scalar Kalman filter is applied for a Least-Square estimated value H s at s. The filter has an input for receiving H s , a filter equation and an out for the corrected estimated value H k for the k th variable. The filter equation is H...  
WO/2007/068089A1
A passive CMOS differential mixer circuit with a mismatch correction circuit for balancing the electrical characteristics of the two output paths. Once the output paths of the differential circuit are balanced, or matched as closely as p...  
WO/2007/069063A2
This device (12, 14) for mixing radiofrequency signals (RF) comprises: - a mixer circuit (18, 20) adapted to mix at least two signals, one of which is a radiofrequency signal; and - a current mirror circuit (22, 24) receiving signals del...  
WO/2007/067606A2
An integrated circuit including: a clock signal distribution network for carrying two global clock signals traveling in opposite directions; a plurality of local clocking regions arranged along the network, each of which includes a local...  
WO/2007/064611A2
A transmitter comprises a base band modulator (101) for generating a complex base band signal to be amplified by a power amplifier (103). The complex base band signal is fed to a first limiter (107) which generates a limited signal by li...  
WO/2007/063887A1
The nonlinearity effect of a rectifying element is enhanced, and further a resonant circuit is used to enlarge the input amplitude. Furthermore, the rectifying efficiency of a detection rectifier circuit is enhanced, thereby allowing the...  
WO/2007/063745A1
A radio receiver including a reception processing system that uses a discrete-time frequency conversion to acquire a signal having a sampling rate corresponding to a local frequency, wherein the reception characteristic is improved when ...  
WO/2007/061921A2
A system for powering a mobile device having an energy harvester which receives wireless energy and converts the energy into current includes a first portal in which wireless energy is transmitted for the energy harvester of the mobile d...  
WO/2007/061000A1
A receiver and a sampling mixer capable of optimizing the sampling rate of an output signal in accordance with the band ratio of a modulation band to the RF frequency of a received signal. A sampling mixer comprises a history capacitor (...  
WO/2007/059802A1
The present invention relates to a sub-harmonically pumped conversion mixer arrangement (10i) comprising a transistor arrangement and transistor terminals for application of a local oscillator, LO-, signal and application of a radio freq...  
WO/2007/057324A1
A radiofrequency (RF) receiver circuit and method offer one or more performance improvements, such as an increased input compression point through better out-of-band interference suppression. In one example, an RF receiver circuit includ...  
WO/2007/059488A2
This patent disclosure presents circuits, systems and methods to extract the clock signal from a data stream. This new invention is far better than the current technologies in the range of frequency locking and tracking. Since the new da...  
WO/2007/058752A1
A receiver is configured for canceling intra-cell and inter-cell interference in coded, multiple-access, spread-spectrum transmissions that propagate through frequency-selective communication channels. The receiver employs iterative symb...  
WO/2007/058958A2
The embodiments of the present invention provide a configurable homodyne/heterodyne RF receiver including first and second mixers. The configurable homodyne/heterodyne RF receiver functions as a homodyne receiver when the first and secon...  
WO/2007/058754A2
An interference-canceling receiver processes coded, multiple-access, spread-spectrum transmissions that propagate through frequency-selective communication channels from multiple transmit antennas to multiple receive antennas in a closed...  
WO/2007/057844A1
A Bluetooth® enhanced data rate receiver (1) has a DC offset estimation circuit (9) comprising a detector (10) for identifying turning points in a demodulated signal and measuring the signal level at these turning points. The detector (...  
WO/2007/058770A2
A receiver is configured for cancelling intra-cell and inter-cell interference in coded multiple-access, spread spectrum transmissions that propagate through frequency-selective communication channels. The receiver employs iterative symb...  

Matches 651 - 700 out of 12,546