Method and apparatus for varying an impedance

Low-latency start-up for a monolithic clock generator and timing/frequency reference

Integrated channel filter using multiple resonant filters and method of operation

System and method for determining a resonant frequency in a communications device

Transconductance and Current Modulation for Resonant Frequency Control and Selection

System and method for ESD protection

Monolithic clock generator and timing/frequency reference

LINEARIZED VARIABLE-CAPACITANCE MODULE AND LC RESONANCE CIRCUIT USING THE SAME

Tunable filter apparatus, systems, and methods

INTEGRATED INDUCTORS AND COMPLIANT INTERCONNECTS FOR SEMICONDUCTOR PACKAGING

Adaptive radio transceiver with filtering

Apparatus and method for phase lock gain control using unit current sources

Apparatus and method for phase lock loop gain control

Technique for reducing capacitance of a switched capacitor array

Programmable precision oscillator

Methods and apparatus for implementing a receiver on a monolithic integrated circuit

Multi-terminal harmonic oscillator integrated circuit with frequency calibration and frequency configuration

Frequency tuning circuit, use of the tuning circuit and method for frequency tuning

Transconductance and current modulation for resonant frequency control and selection

Monolithic clock generator and timing/frequency reference

System and method for mitigating phase pulling in a multiple frequency source system

Method and circuit for adjusting an RC element

Multiple frequency source system and method of operation

Built-in self test method for a digitally controlled crystal oscillator

Offset signal phasing for a multiple frequency source system

Methods and apparatus for implementing a receiver on a monolithic integrated circuit

Multi-band LC resonance voltage-controlled oscillator with adjustable negative resistance cell

Method for voltage controlled oscillator yield enhancement

Methods and apparatus for implementing a receiver on a monolithic integrated circuit

Voltage controlled oscillator phase locked loop circuit with loop filter capacitance tuning

Integrated switchless programmable attenuator and low noise amplifier

Wireless device with a non-compensated crystal oscillator

Oscillator and data processing equipment using the same and voltage control oscillator and data processing equipment using voltage control oscillator

Method and apparatus for rapid local oscillator frequency calibration

Amplifier arrangement for ultra-wideband applications and method

Fully integrated tuner architecture

Partitioning of radio-frequency apparatus

Adaptive radio transceiver with an antenna matching circuit

Digitally programmable capacitor array

Analogue self-calibration method and apparatus for low noise, fast and wide-locking range phase locked loop

Shared receiver and transmitter filter

Variable impedance circuit using cell arrays

Variable capacitance circuit arrangement

Variable capacitance circuit arrangement

Method and apparatus for selectively blocking radio frequency (RF) signals in a radio frequency (RF) switching circuit

Apparatus and method for phase lock loop gain control

Temperature compensation for internal inductor resistance

System and method for ESD protection

Controlling fine frequency changes in an oscillator

Process and device for contactless measurement of rotational speed

Receiving amplifier, in particular for television receivers, and use of the receiving amplifier

Digital expander for generating multiple analog control signals particularly useful for controlling an oscillator

Delay circuit

Apparatus and method for phase lock loop gain control using unit current sources

Radio frequency tuner

Self-aligning resonator filter circuit and wideband tuner circuit incorporating same

Method and system for dynamically calculating values for tuning of voltage-controlled crystal oscillators

Voltage controlled oscillator and wireless transceiver using the same

Differential switches for voltage controlled oscillator coarse tuning

Induction sealing device and method which may be used for producing packages of pourable food products

Quadrature voltage controlled oscillators with phase shift detector

Integrated channel filter using multiple resonant filters and method of operation

Integrated circuit layout for a television tuner

Receiver having no tracking error

Semiconductor integrated circuit for communication

Digital time constant tracking technique and apparatus

Adaptive radio transceiver with a local oscillator

AM/FM radio receiver and local oscillator circuit used therein

System and method for automatic tuning of a magnetic field generator

Resistor-capacitor (RC) oscillator insensitive to process, voltage, and temperature variances

Tuning device and radio-wave corrected timepiece

Semiconductor apparatus

Coarse frequency tuning in a voltage controlled oscillator

Variable inductor, oscillator including the variable inductor and radio terminal comprising this oscillator, and amplifier including the variable inductor and radio terminal comprising this amplifier

Discrete clock generator and timing/frequency reference

Inductor and capacitor-based clock generator and timing/frequency reference

Device and method for frequency synthesis

Tracking filter for tuner

Integrated clock generator and timing/frequency reference

Method and apparatus for frequency adjustment

Voltage controlled oscillator having improved phase noise

VCO center frequency tuning and limiting gain variation

VCO gain tuning using voltage measurements and frequency iteration

Use of a down-bond as a controlled inductor in integrated circuit applications

Radio-controlled timepiece

Radio-corrected timepiece

Frequency selection using capacitance multiplication

Variable inductor, and oscillator and communication system using the same

Apparatus and method for phase lock loop gain control using unit current sources

Apparatus and method for phase lock loop gain control using unit current sources

Communications receiver method and apparatus

Frequency calibration for a monolithic clock generator and timing/frequency reference

Controlling the frequency of an oscillator

VHF band receiver

Multi-standard amplifier

Television receiver including an integrated band selection filter

Integrated inductors and compliant interconnects for semiconductor packaging

Variable inductor, oscillator including the variable inductor and radio terminal comprising this oscillator, and amplifier including the variable inductor and radio terminal comprising this amplifier

Discrete inductor bank and LC filter

Low-latency start-up for a monolithic clock generator and timing/frequency reference

Semiconductor integrated circuit for wireless communication

Hybrid tuning circuit for continuous-time sigma-delta analog-to-digital converter

Quadrature voltage controlled oscillators with phase shift detector

Method and apparatus for operating a PLL for synthesizing high-frequency signals for wireless communications

Methods and apparatus for an improved discrete LC filter

Multi-band tunable resonant circuit

System and method for linearizing a CMOS differential pair

Tunable Sallen-Key filter stage and filter assembly

System and method for ESD protection

Programmable radio transceiver

Tunable antenna circuit, particularly for contactless integrated circuit reader

Tuning an oscillator

Programmable capacitor bank for a voltage controlled oscillator

Programmable radio transceiver

Transconductance and current modulation for resonant frequency control and selection

Monolithic clock generator and timing/frequency reference

Integrated television receivers with I and Q analog to digital converters

Frequency discrete LC filter bank

Adaptive radio transceiver with offset PLL with subsampling mixers

Adaptive radio transceiver with floating MOSFET capacitors

Adaptive radio transceiver with noise suppression

Digitally controlled oscillator circuit

Tunable wideband bandpass filter, tunable multi-band bandpass filter using the same, and methods therefore

Capacitor bank and voltage controlled oscillator having the same

Adaptive radio transceiver with calibration

Method and apparatus for tuning a filter

System for resonant circuit tuning

Apparatus and method for phase lock loop gain control using unit current sources

Apparatus and method for phase lock loop gain control using unit current sources

Integrated spiral inductor

System and method for on-chip filter tuning

Adaptive radio transceiver with an antenna matching circuit

Digital expander apparatus and method for generating multiple analog control signals particularly useful for controlling an oscillator

Variable capacitance circuit arrangement

Integrated switchless programmable attenuator and low noise amplifier

Apparatus and method for phase lock loop gain control using unit current sources

System and method for signal amplification

Use of a down-bond as a controlled inductor in integrated circuit applications

High performance switch for switched inductor tuned RF circuit

Tuning RF circuits using switched inductors provided in a monolithic integrated circuit

Radio frequency unit analog level detector and feedback control system

Varactor folding technique for phase noise reduction in electronic oscillators

Voltage controlled variable capacitor

Voltage controlled oscillator having improved phase noise

Digital tuner

Dynamically adjustable decoupling capacitance to reduce gate leakage current

System and method for signal limiting

Methods and apparatuses for tuning voltage controlled oscillators

Oscillator for SERDES

Broadband integrated digitally tunable filters

Integrated VCO having an improved tuning range over process and temperature variations

Broadband single conversion tuner integrated circuits

Methods and apparatus for an improved discrete LC filter

Frequency-agile clock generator

Controlling a switched capacitor bank in a voltage controlled oscillator for wireless sensor devices