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8983419 Integrated receiver and integrated circuit having integrated inductors and method therefor  
An integrated receiver includes a first signal processing path, a second signal processing path, and a controller. The first signal processing path has an input and an output for providing a first...
8862086 Mixer, mixer system and method  
A mixer is configured to sample a received input signal at a predefined oscillator frequency to generate a sampled input signal, and to switch a polarity of the sampled input signal at a...
8811926 Frequency multiplying transceiver  
Described herein is a wireless transceiver and related method that enables ultra low power transmission and reception of wireless communications. In an example embodiment of the wireless...
8781045 Communication apparatuses and wireless communications modules  
A communication apparatus having a first and second wireless communications modules is provided. The first wireless communications module includes a receiving unit receiving RF signals from an air...
8767603 Mobile wireless terminal and base station search method  
According to one embodiment, a mobile wireless terminal, which makes a wireless communication with a base station accommodated in a network, includes a receiver, a communication module, and a...
8732315 Automatic ad-hoc network creation and coalescing using WiFi protected setup  
A device previously configured as a registrar and that has established an independent ad-hoc network is automatically discovered by another device also previously configured as a registrar. To...
8712360 System and transceiver clocking to minimize required number of reference sources in multi-function cellular applications including GPS  
A system includes a first clock module, a global positioning system (GPS) module, a phase-locked loop (PLL) module, a cellular transceiver, and a baseband module. The first clock module generates...
8712359 Communication device and method for detecting a radio signal  
For example, a communication device may be provided comprising an oscillator configured to generate a reference signal; an accuracy determiner configured to determine information about an accuracy...
8706069 Integrated receivers and integrated circuit having integrated inductors  
A receiver includes an input section, a plurality of RF sections, an output circuit, and a controller. The input section receives and amplifies a radio frequency (RF) input signal to provide an...
8687645 Wireless communications device providing temperature-compensated clock correction features and related methods  
A wireless communications device may include a portable housing and a temperature-compensated clock circuit carried by the portable housing. The device may further include a wireless receiver...
8682273 RF digital spur reduction  
Digital spur reduction in which spurs are kept outside selected channels of interest, with illustrative embodiments relating to an integrated radiofrequency transceiver circuit having digital and...
8649749 RF receiver with voltage sampling  
A voltage sampling RF receiver in which an impedance control circuit controls the input impedance, by using a mixer stage which generates a feedback voltage, which is coupled to the RF input by a...
8565196 Simultaneous use of multiple phone numbers in mobile device by sharing hardware  
Determining and simultaneously using a base station coupled to a mobile device, the base station comprising a detector for receiving a first identification signal corresponding to a first module...
8532600 System and transceiver clocking to minimize required number of reference sources in multi-function cellular applications including GPS  
A system includes a first clock module, a global positioning system (GPS) module, a phase-locked loop (PLL) module, a cellular transceiver, and a baseband module. The first clock module generates...
8514989 Method circuit and system for adapting a receiver receive chain based on detected background noise  
Disclosed is a radio frequency (RF) receiver for receiving a communication channel modulated on one or more carrier frequencies. The receiver may include a gain adjustable RF amplifier, a wideband...
8494470 Integrated receivers and integrated circuit having integrated inductors  
An integrated wideband receiver includes first and second signal processing paths and a controller. The first signal processing path has an input, and an output for providing a first processed...
8483332 Oscillating apparatus, receiving apparatus, and oscillation control method  
In an oscillating apparatus, a detection unit detects a frequency offset between an input signal and a reference signal. A code generation unit specifies a relationship among a code having a...
8463212 Receiving apparatus, imaging apparatus, and receiving method  
A receiving apparatus includes: a signal-level detecting unit detecting a signal level of an input signal; a first signal-level converting unit including amplifiers, capturing the input signal and...
8355688 Method and system for frequency selection using microstrip transceivers for high-speed applications  
Aspects of a method and system for frequency selection using microstrip transceivers for high-speed applications may include determining an operating frequency for operating one or both of a...
8301098 System and transceiver clocking to minimize required number of reference sources in multi-function cellular applications including GPS  
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...
8280330 Crystal-less clock generation for radio frequency receivers  
Systems and methods of clock generation for radio frequency receiver. In radio frequency receiver, the system requires accurate local oscillating (LO) signal and system clocks for proper operation...
8233898 Wireless communications device providing temperature-compensated clock correction features and related methods  
A wireless communications device may include a portable housing and a temperature-compensated clock circuit carried by the portable housing. The device may further include a wireless receiver...
8199027 Systems and methods for utility meter reading  
The present disclosure is directed to systems and methods for utility meter reading. The present disclosure provides inexpensive, easy to install, devices that can collect and report utility usage...
8145170 Low-cost receiver using tracking bandpass filter and lowpass filter  
A receiver (400) includes a tracking bandpass filter (420), a tunable lowpass filter (434), a local oscillator (442), and a mixer (444). The tracking bandpass filter (420) has an input for...
8131242 System and method for implementing a swap function for an IQ generator  
A system and method for implementing an IQ generator includes a master latch that generates an I signal in response to a clock input signal, and a slave latch that generates a Q signal in response...
8107913 Method and apparatus for a digital regulated local oscillation (LO) buffer in radio frequency circuits  
A digital regulated Local Oscillator (LO) buffer receives an unregulated LO signal from a local oscillator to create a regulated LO signal. Embodiments include not only the digital regulated LO...
8014477 Receiver employing selectable A/D sample clock frequency  
A receiver is set forth that includes a tuner circuit and a converter circuit. The tuner circuit provides an analog signal corresponding to a modulated signal that is received on a selected...
7991359 Receiver, transceiver circuit, signal transmission method, and signal transmission system  
A receiver has an offset application circuit for applying a known offset to an input signal, and a decision circuit for comparing the offset-applied input signal with a reference voltage. The...
7961056 Low phase noise voltage controlled oscillator  
Embodiments of the present invention include a low phase noise oscillator circuit using a current-reuse technique to reduce power consumption and improve phase noise, where the oscillator circuit...
7848709 Multi-mode crystal oscillator  
In one embodiment of the present invention, two crystal oscillator circuits are coupled in parallel to provide differing performance according to mode. Generally, a first circuit provides low...
7683829 Method and apparatus for adapting a receiver frequency plan according to location  
A selectable frequency source for use in GPS receivers. A device in accordance with the present invention comprises a reference frequency source, a first divider, coupled to the reference...
7653370 Offset signal phasing for a multiple frequency source system  
A tunable multiple frequency source system employing offset signal phasing includes a first frequency source, a phase delay element, and a second frequency source configured to operate...
7555273 Bandpass filter with carrier frequency reduction  
A bandpass filtering method in which two frequency transpositions are performed in parallel on an input signal (SE) for filtering using respective first and second upstream mixing signals (SM1,...
7386289 Microwireless integrated environmental sensor and transmitter system  
The invention is a microminiature wireless environmental sensor that has integrated both sensor and transmitter functions into one function. The basic operating principle for the device is that...
7356312 Fractional frequency synthesizer  
A frequency synthesizer circuit generates an output clock signal having a desired frequency relationship with an input reference signal, and offers essentially arbitrary relational values and...
7321755 Dual-mode clock for improved power management in a wireless device  
A dual mode clock for providing first and second clock signals to a wireless interface unit. The first and second clock signals correspond to first and second operating states of the wireless...
7218179 Methods and apparatus for calibrating gm-Z  
In one embodiment of the present invention, an apparatus includes a plurality of gain stages each having a gain greater than one, and which are coupled to create a positive feedback at an...
7215936 Super-regenerative receiver including phase-locked loop  
An improved low-cost super-regenerative receiver includes sampling phase-locked loop. Phase sampling is controlled by the quench signal (264). In the preferred embodiment, logic state HIGH to...
7133647 Chiprate correction in digital transceivers  
A transceiver for a code division multiple access communication system comprises a receiver to receive coded information signals and a transmitter to transmit coded information signals. A local...
6975839 Apparatus, and associated method, for estimating frequency offset using filtered, down-sampled likelihood polynomials  
Apparatus, and an associated method, for facilitating frequency offset estimation between communication stations operable in a communication system. A likelihood polynomial is calculated and...
6946917 Generating an oscillating signal according to a control current  
Generating an oscillating signal according to a control current includes receiving a control current corresponding to an oscillation frequency. A first differential signal and a second...
6928275 Method and apparatus for compensating local oscillator frequency error  
The frequency error of an oscillator is minimized by characterizing the oscillator. A reference signal from an external source containing a minimal frequency error is provided to an electronic...
6748199 Portable telephone apparatus and stablly supplying method of reference frequency  
A portable telephone apparatus includes a reference frequency generating section capable of suitably changing frequency accuracy of an output signal in accordance with an input control voltage,...
6522871 Method and apparatus for compensating local oscillator frequency error through environmental control  
The frequency error of an oscillator is minimized by characterizing the operating environment of the oscillator. An electronic device monitors parameters that are determined to have an effect on...
6324228 Method and apparatus for robust frequency tracking in strong channel interference using carrier signal relative strength and frequency error  
The present invention is a method and apparatus for tracking a frequency of a signal. The received signal is converted to an intermediate frequency (IF) signal using a frequency reference. An...
6278867 Methods and systems for frequency generation for wireless devices  
Methods and systems are provided for frequency generation suitable for use in wireless devices capable of operating at multiple frequencies. Such systems may change the loop gain of an automatic...
6243597 Battery-operated communications device with the continuously running reference clock of which the frequency is reduced when a synchronization unit is controlled during a stand-by mode  
A battery-operated communications device has a radio frequency part, a baseband processing arrangement, a timing control arrangement, a continuously running reference clock that is coupled to the...
6194975 Dual band VCO with improved phase noise  
A dual band VCO selects between the oscillator output frequencies by switching the resonant circuit elements in the active circuit. For each output frequency selected, the oscillator produces a...
RE36973 Digitally-corrected temperature-compensated crystal oscillator having a correction-suspend control for communications service  
A radio transceiver having digitally-corrected temperature-compensated crystal oscillators (DTCXOs) including digital frequency temperature compensation circuits that are temporarily suspended...
6112068 Phase-locked loop circuit with switchable outputs for multiple loop filters  
An electronic system, such as a wireless telephone handset (10), having multiple voltage-controlled oscillators (26, 28) so that the system can operate in a selected one of multiple frequency...

Matches 1 - 50 out of 102 1 2 3 >