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Class 327/356 - Product


Subclass of Class 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
Definition: Subject matter wherein the output signal represents an analog
No. of applications: 54
Last issue date: 01/12/2012


1    
Application No.Application TitleIssue Date
20120007651SYSTEM AND METHOD FOR SIGNAL MIXING BASED ON HIGH ORDER HARMONICS
A system and method for signal mixing using high-order harmonics of a local oscillation (LO) signal. In a radio frequency (RF) system, the input RF signal is converted to a lower frequency signal such as an intermediate frequency (IF) signal or a baseband signal for fur...
01/12/2012
20110298521POLYPHASE HARMONIC REJECTION MIXER
A polyphase harmonic rejection mixer, comprising a plurality of stages following each other; wherein a first stage is arranged to perform at least frequency conversion; and a second stage is arranged to perform at least selective weighting and combining; wherein at leas...
12/08/2011
20110282924Channel Select Filter Apparatus and Method
Channel select filter circuits are described. One circuit implements a multiplying element and digital-to-analog converter as a differential current mode device. Another circuit implementing a multiplying element and digital-to-analog converter with weighted addition, d...
11/17/2011
20110279165Low Phase Noise RF Signal Generating System and Phase Noise Measurement Calibrating Method
Very low phase noise radio frequency (RF) source having multiple discrete frequency outputs used, for example, to calibrate phase noise measurement systems. The calibrator output frequencies can be tailored for a particular application using a scalable architecture....
11/17/2011
20110273164Delivered power detection for power amplifiers and related systems and methods
Delivered power detection for power amplifiers (PAs) and related systems and methods are disclosed. The disclosed embodiments and techniques provide a delivered power indication for systems using PAs, including such systems for cellular telephone applications, allow pow...
11/10/2011
20110254610Distributive Resistive Mixer
The invention relates to devices comprising field effect transistors to detect the power of an electromagnetic high frequency signal VRF. According to the prior art, the high frequency signal is coupled into the gate G and via a capacitor CGD into ...
10/20/2011
20110256839ADDITION CIRCUIT, POWER AMPLIFIER CIRCUIT USING SAME, AND TRANSMISSION DEVICE AND COMMUNICATION DEVICE USING THE POWER AMPLIFIER CIRCUIT
Disclosed are an addition circuit that makes it possible to add two vector signals in a high-frequency region, a power amplifier circuit using the same, and a transmission device and communication device using the power amplifier circuit. Disclosed is an addition circui...
10/20/2011
20110249768PEAK SUPPRESSION DEVICE AND PEAK SUPPRESSION METHOD
A peak suppression device includes: a peak determination unit which determines a peak value of a waveform of an input signal; an impulse signal generation unit which generates an impulse signal corresponding to a difference between the peak value and a predetermined val...
10/13/2011
20110248766COMPACT HIGH LINEARITY MMIC BASED FET RESISTIVE MIXER
A MMIC (microwave monolithic integrated circuit) based FET mixer and method for the same is provided. In particular, adjacent transistors, such as FETs (field effect transistors) share terminals reducing physical layout separation and interconnections. A smaller die siz...
10/13/2011
20110169546MIX MODE WIDE RANGE MULTIPLIER AND METHOD THEREOF
A mix mode wide range multiplier and method are provided for multiplying a first signal by a second signal to generate an output signal. A reference signal is generated according to a first gain and a reference value, the output signal is generated according to a second...
07/14/2011
20110169545LOW PHASE NOISE RF SIGNAL GENERATING SYSTEM AND METHOD FOR CALIBRATING PHASE NOISE MEASUREMENT SYSTEMS USING SAME
Very low phase noise radio frequency (RF) source having multiple discrete frequency outputs used, for example, to calibrate phase noise measurement systems. The calibrator output frequencies can be tailored for a particular application using a scalable architecture....
07/14/2011
20110140743Digital Frequency Generator
A digital frequency generator is described....
06/16/2011
20110142093LOW VOLTAGE MIXER CIRCUIT FOR A UWB SIGNAL TRANSMISSION DEVICE
The low voltage mixer circuit can be fitted to a UWB signal transmission device. The circuit includes first and second differential pairs of NMOS transistors (M5, M6, M7, M8), wherein the source of the transistors (M5, M6) of th...
06/16/2011
20110140759PHASE MIXER WITH ADJUSTABLE LOAD-TO-DRIVE RATIO
Phase mixers, clock signal generators, memories and methods for providing an output signal having a phase relative to the phase difference of input clock signals are disclosed. One such phase mixer includes a phase mixer circuit having inputs and an output. The phase mi...
06/16/2011
20110140758ANALOG MULTIPLIER
An analog multiplier includes a bias circuit, a level shifter, a multiplying circuit, and a current mirror. The analog multiplying circuit is used for inputting a first voltage and a second voltage, and outputting a product current. The product current is proportional t...
06/16/2011
20110140757Analog Processing Elements In A Sum of Products
The technology relates to analog processing of a sum of products....
06/16/2011
20110136460MIXER AND RADIO FREQUENCY RECEIVER USING THE MIXER
A mixer used in a Radio Frequency (RF) receiver is provided. The mixer includes a first harmonic rejecter for rejecting a harmonic signal component from a first input signal; and a second harmonic rejecter for rejecting a harmonic signal component from a second input si...
06/09/2011
20110050319Multiplier, Mixer, Modulator, Receiver and Transmitter
A multiplier is provided, for example, for use as a mixer in a modulator of a radio frequency transmitter. The multiplier multiplies a first alternating signal of constant amplitude by a second signal, for example, in the form of a carrier wave from a local oscillator. ...
03/03/2011
20100301919MIXER AND FREQUENCY CONVERTING APPARATUS
A mixer includes a magnetoresistive effect element, a magnetic field applying unit, and an impedance circuit. The magnetoresistive effect element includes a fixed magnetic layer, a free magnetic layer, and a nonmagnetic spacer layer disposed between the fixed magnetic l...
12/02/2010
20100253354UPCONVERTER
An upconverter has a low noise amplifier, a two port mixer and an antenna. The two port mixer comprises a first port to receive from the low noise amplifier an amplified input signal to be upconverted and a second port to receive a local oscillator signal and to output ...
10/07/2010
20100253411Method and system for generating wavelets
A method (1300) is provided for generating one or more waveforms (130, 140). The method includes: generating a first toggle signal (1130, 1330) in response to a clock signal (1110), the first toggle signal having one of a first positive shape...
10/07/2010
20100244926Apparatus and Method for Downstream Power Management in a Cable System
An apparatus and method is disclosed to calculate the actual received desired channel power from the downstream transmit power of a Cable Modem Termination System (CMTS) when operating at the nominal line voltage and/or at the normal room temperature as per the DOCSIS s...
09/30/2010
20100237909PHYSICAL QUANTITY DETECTION CIRCUIT AND PHYSICAL QUANTITY SENSOR DEVICE
A physical quantity detection circuit (12) is used for a physical quantity sensor (10) that outputs a sensor signal according to a physical quantity given externally. In the physical quantity detection circuit (12), an analog-to-digital converter (<...
09/23/2010
20100214003Signal Transformation Arrangement and Method for Signal Transformation
A signal transformation arrangement comprises a first input tap (1) to receive a first input signal (IN_P), a first output terminal (3) to provide a first output signal (OUT_P) and a first coupling circuit (10) which couples the first input tap (...
08/26/2010
20100188132METHOD FOR PROVIDING A VERY LOW REFERENCE CURRENT
A system that includes: multiple transistors that comprise a first transistor that is maintained in a weak inversion state; wherein sources of the multiple transistors are coupled to a low current source; wherein drains of the multiple transistors are coupled to a volta...
07/29/2010
20100164595DOWN-CONVERTER MIXER
A down-converter mixer may include a Gilbert cell, two transistor differential pairs, which drive output loads, and transistors defining respective tail generators coupled to common source nodes of the differential pairs. The transistors may receive a radio-frequency si...
07/01/2010
20100156502SIGNAL PROCESSOR COMPRISING A FREQUENCY CONVERTER
A signal processor includes a frequency converter of the multiphase type. A first phase mixer (SWC1, TIS1) has a pair of switches (M11, M12). A second phase mixer (SWC2, TIS2) also has a pair of switches (M21, M22)...
06/24/2010
20100148828PEAK POWER REDUCTION METHOD
A technique wherein when signals, the modulation schemes of which are different, are to be combined, performing the peak suppression using amounts of the respective modulation schemes can effectively reduce the PAPR of a resulting combined signal. A peak suppressing met...
06/17/2010
20100123507CIRCUIT AND METHOD FOR IMPLEMENTING FREQUENCY TRIPLED I/Q SIGNALS
A circuit and a method for implementing frequency tripled I/Q signals are proposed, including receiving two input I/Q signals through frequency multipliers so as to generate two frequency multiplied signals and mixing the input I/Q signals and the corresponding frequenc...
05/20/2010
20100117711SEMICONDUCTOR CHIP AND RADIO FREQUENCY CIRCUIT
A two-terminal semiconductor device is formed on a semiconductor substrate. Two wiring patterns are respectively connected to terminals of the semiconductor device, and two electrode pads are respectively connected to the wiring patterns for connecting a signal input/ou...
05/13/2010
20100090886LOW NOISE GENERATOR FOR FREQUENCY SWEPT SIGNALS
A signal generation system suitable for use in a radar system comprises a local oscillator (LO) and an intermediate frequency (IF) oscillator, wherein the IF oscillator is a Direct Digital Synthesiser (DDS), and the LO is a free running oscillator not itself locked to a...
04/15/2010
20100083754MATCHED MULTIPLIER CIRCUIT HAVING REDUCED PHASE SHIFT FOR USE IN MEMS SENSING APPLICATIONS
Apparatus and methods are provided for multiplier circuits having reduced phase shift. A multiplier circuit comprises an input node for an input signal and an output node for an output signal. A first multiplier is coupled to the input node and has a first multiplier ou...
04/08/2010
20100085104MIXER CIRCUIT
Regarding N-channel first transistor and a P-channel second transistor, their first terminals are connected to each other and their second terminals are connected to each other. Regarding third transistor and a fourth transistor, their first terminals are also connected...
04/08/2010
20100001781Reconfigurable Heterodyne Mixer and Configuration Methods
Heterodyne mixer comprising:
    • a divider of a signal RF for generating a signal RF1 and a signal RF2;
    • ...
01/07/2010
20090289688SIGNAL ADJUSTING CIRCUIT
A signal adjusting circuit is provided. The signal adjusting circuit includes a first operational unit, a second operational unit, an auto-gain controller (AGC), a first clamp circuit, and a second clamp circuit is provided. The first operational unit performs an operat...
11/26/2009
20090267677COMPACT EJECTABLE COMPONENT ASSEMBLIES IN ELECTRONIC DEVICES
Electronic devices are provided with ejectable component assemblies. The ejectable component assembly may include a tray that can be loaded with one or more removable modules, wafers coupled to circuit boards, cages and retaining plates to assist in retaining the tray w...
10/29/2009
20090256596FLIP-FLOP, FREQUENCY DIVIDER AND RF CIRCUIT HAVING THE SAME
A flip-flop, and a frequency divider and an RF circuit using the flip-flop. The frequency divider, which receives a first signal and generates a second signal by dividing a frequency of the first signal, including a plurality of flip-flops that each latch and output a s...
10/15/2009
20090243698MIXER AND FREQUENCY CONVERTING APPARATUS
A mixer includes: a magnetoresistive effect element including a fixed magnetic layer, a free magnetic layer, and a nonmagnetic spacer layer disposed between the fixed magnetic layer and the free magnetic layer; and a magnetic field applying unit that applies a magnetic ...
10/01/2009
20090189673MIXER WITH BALANCED LOCAL OSCILLATOR SIGNAL
A mixer includes a first field effect transistor (FET) having a gate that receives a first signal of a balanced local oscillator (LO) signal, a first source/drain coupled to a ground voltage, and a second source/drain; and a second FET having a gate that receives a seco...
07/30/2009
20090174459QUADRATURE RADIO FREQUENCY MIXER WITH LOW NOISE AND LOW CONVERSION LOSS
In one embodiment of the invention, a method for convolution of signals is disclosed including generating four phased half duty cycle clocks each being out of phase by a multiple of ninety degrees from the others; coupling the four phased half duty cycle clocks into a f...
07/09/2009
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