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Telecommunications > Receiver Or Analog Modulated Signal Frequency Converter > Local Control Of Receiver Operation > Local Oscillator Frequency Control Local Oscillator Frequency ControlLocal Oscillator Frequency Control patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.01/25/07 - 20070021083 - semiconductor device for a tuner and diversity receiver A semiconductor device for a tuner generates a local oscillation signal inside or selects a local oscillation signal introduced from the outside, and controls the power consumption of the circuit used for generating the local oscillation signal. The diversity receiver constituted using the semiconductor device has semiconductor device 1 selected ... 01/11/07 - 20070010225 - Communication semiconductor integrated circuit device and wireless communication system The invention provides a communication semiconductor integrated circuit device (RF IC) capable of pulling in the frequency of a PLL circuit to a desired set frequency at high speed even in the case where a frequency settable range of the PLL circuit is wide without providing a current source other ... 12/21/06 - 20060286954 - Method and apparatus for matching receiver carrier frequency A carrier recovery method and apparatus using multiple stages of carrier frequency recovery are disclosed. A receiver uses multiple frequency generation sources to generate carrier signals used to downconvert a received signal. An analog frequency reference having a wide frequency range and coarse frequency resolution is used in conjunction with ... 10/12/06 - 20060229047 - Systems and methods for recovering a signal of interest from a complex signal A system for recovering a signal of interest from a complex signal is provided. The system includes a plurality of different oscillators. Each of the plurality of oscillators is configured to facilitate improving a signal-to-noise ratio of an input complex signal by adjusting an oscillation frequency of each of the ... 10/05/06 - 20060223475 - Receiver having no tracking error A receiver includes an up/down counter that controls turning on/off of individual switching units, and a count signal generator that compares a control voltage with a first reference voltage and a second reference voltage lower than the first reference voltage and outputs a count signal to the up/down counter. The ... 09/28/06 - 20060217098 - System for reducing power consumption in a local oscillator A system for reducing power consumption of a local oscillator (LO) chain is disclosed. Embodiments of the system for reducing power consumption of a local oscillator chain include adjusting a bias control signal to the local oscillator depending on a noise parameter of the local oscillator. In one embodiment, the ... 09/14/06 - 20060205373 - Method and apparatus for generating clocks for a handheld multistandard communication system Methods and apparatus for generating clocks for a handheld multistandard communication system are disclosed herein and may comprise receiving an input clock signal from a clock source whose accuracy is controlled by a selected device in a handheld multistandard communication system. The selected device may be characterized with a highest ... 08/31/06 - 20060194556 - Local oscillation circuit for direct conversion receiver Disclosed is a local oscillation circuit for a direct conversion receiver, which includes a local oscillator for outputting a local oscillation signal of a predetermined frequency; and a fractional signal generator for converting the local oscillation signal into a fractional harmonic signal, which has a frequency equal to a frequency ... 07/20/06 - 20060160512 - Frequency modification circuitry for use in radio-frequency communication apparatus and associated methods Frequency modification circuitry may be employed as part of a crystal oscillator circuit to generate a reference signal with adjustable frequency. The frequency modification circuitry may be implemented as part of a crystal oscillator circuit that includes digitally controlled crystal oscillator (“DCXO”) circuitry and a crystal. The frequency modification circuitry ... 07/20/06 - 20060160511 - High speed controller area network receiver having improved emi immunity A CAN receiver architecture design that provides better immunity against EMI interference than conventional designs is disclosed herein. This CAN receiver includes a voltage divider network connected to a front-end amplifier for dividing down the input signal from a two wire line by a predetermined amount and amplifying the signal ... 06/15/06 - 20060128335 - Vco device VCO (voltage-controlled oscillator) device used for a radio unit such as a television broadcast receiver. A VCO device oscillating in a wide band of oscillation frequency and capable of realizing low power consumption is provided. VCO circuit group 4 oscillates signals of frequencies corresponding to control voltage Vt applied to ... 03/30/06 - 20060068736 - Controlling the frequency of an oscillator A technique includes generating an analog voltage to control a frequency for an oscillator. The analog signal is converted into a digital signal, and the frequency is controlled in response to the digital signal. ... 03/23/06 - 20060063502 - Oscillator circuit and semiconductor device having oscillator circuit An oscillator circuit having a closed loop connection, including: an oscillator for generating an output signal oscillating at a frequency corresponding to a control signal; a frequency/voltage converter for generating a detection signal having a voltage corresponding to a frequency of the output signal; a difference detector for generating a ... 02/23/06 - 20060040632 - Determination and processing for fractional-n programming values Determination and processing for fractional-N programming values. The present invention is operable to receive a clock signal (CLK) and to transform that CLK into a new CLK, when necessary, for use by various circuitries within a system. The present invention is operable to generate two different CLKs for use by ... 02/23/06 - 20060040631 - Gps rf front end ic with programmable frequency synthesizer for use in wireless phones A GPS RF Front End IC containing a Programmable Frequency Synthesizer is disclosed. The GPS RF front end IC having a programmable frequency synthesizer allows a relatively fixed internal frequency plan while able to use a number of different reference frequencies provided by the host platform, which can be a ... 01/19/06 - 20060014509 - Adaptive-biased mixer A system or method for a circuit network that receives an RF signal, and where a plurality of switching transistors receive an RF signal output by the circuit network and perform mixing with a local oscillation (LO) signal received on a LO input. An active bias circuit performs active bias ... 12/22/05 - 20050282511 - Frequency multiply circuit using smd, with arbitrary multiplication factor Disclosed is a frequency multiply circuit for outputting an output signal obtained by variably multiplying the frequency of an input signal includes a synchronous delay circuit, a multiplexing circuit, and a control circuit. The synchronous delay circuit includes a period measuring delay circuit for measuring the period of the input ... 12/15/05 - 20050277397 - Frequency generator A frequency generator according to the invention includes a controllable oscillator comprising a control input and an oscillator output, wherein the controllable oscillator is formed to output, at the oscillator output, an oscillator signal with an oscillator frequency dependent on a control signal at the control input, sampling means for ... 12/08/05 - 20050272391 - Device for generating a clock signal A device 212 for generating an output clock signal 213 intended to time a digital processing circuit 204, said generating device receiving a first clock signal 209, characterized in that it comprises an oscillator generating a second clock signal constituting said output clock signal, said oscillator functioning in a forced ... 10/13/05 - 20050227657 - Method and apparatus for increasing perceived interactivity in communications systems Perceived interactivity in user communications is achieved by reducing a perceived delay switching the active transmitter in the communication without having to reduce actual transmission and setup delays associated with a communication exchange. A sound signal is identified in the user communication. The sound signal is analyzed to identify or ... 09/15/05 - 20050202795 - Method for synchronizing or decoding a baseband signal A baseband process operating on a receiver in a communication system, such as an 802.15.4 communication system, is provided. The baseband process has a set of predefined reference signals, with each reference signal associated with a possible characteristic in the baseband signal. The baseband process receives a degraded baseband signal, ... 08/11/05 - 20050176395 - Automatic frequency control receiver The invention relates to a receiver of signals [S] received from a wireless network, said receiver working at a so-called reference oscillation frequency controlled by a so-called reference value [Vref]. Said receiver includes demodulation means [DEMO] for demodulating the received signal [S], means [EST] of estimating a mean value [MV] ... 08/04/05 - 20050170805 - Mobile radio receiver device The invention is directed to a receiver arrangement, for example, in a mobile radio, which allows the use of slowly locking phase locked loops for a point-to-point connection between two transceivers, even in the case of a heterodyne receiver structure. The need to change channels between a transmission slot and ... 06/16/05 - 20050130618 - Sampling mixer with asynchronous clock and signal domains A mixer 1100 with a plurality of signal paths typically requires separate clock generating hardware for each signal path. However, the redundancy of having multiple clock generating hardware significantly increases power consumption and integrated circuit area when the mixer 1100 is integrated into silicon. A method and apparatus 1125 containing ... ### FreshPatents.com Support |