APPARATUS AND METHOD FOR CONTROLLING A RESONATOR

Active filter

Apparatus and method for controlling a resonator

Time constant calibration circuit and method

Apparatus and method for controlling a resonator

Radio-frequency filter, multiplexer, radio-frequency front-end circuit, and communication device

Polyphase filter and filter circuit

Circuits and methods for transceiver self-interference cancellers

Adaptive continuous-time filter adjustment device

Gain peaking techniques in high-frequency passive low pass filters

Baseband processing circuitry

Systems and methods for filter initialization and tuning

Wideband signal processing

Broadband analog radio-frequency integrator

Tracking filter apparatus for wheel monitoring systems

Phase-locked loop based controller for adjusting an adaptive continuous-time filter

Systems and methods for filter initialization and tuning

Tunable biquad filter circuit including phase shift detection and methods for using such

Tunable transconductance-capacitance filter with coefficients independent of variations in process corner, temperature, and input supply voltage

Phase-locked loop based controller for adjusting an adaptive continuous-time filter

Bias circuit, and gm-C filter circuit and semiconductor integrated circuit each including the same

Analog FIR filter

INNOVATIVE CALIBRATION CIRCUIT AND METHOD FOR HIGH-FREQUENCY ACTIVE FILTERS

WIDEBAND VARIABLE FREQUENCY BAND PASS FILTER

ANALOG FIR FILTER

CIRCUIT FOR ADJUSTING CUTOFF FREQUENCY OF FILTER

METHODS AND SYSTEMS FOR CALIBRATING RC CIRCUITS

Time constant calibration device and related method thereof

AUTO-CALIBRATION FOR A FILTER

Calibration circuit for an adjustable capacitance

Phase-locked loop based controller for adjusting an adaptive continuous-time filter

Calibration circuit for calibrating an adjustable capacitance of an integrated circuit having a time constant depending on said capacitance

Method and apparatus for tuning an active filter

Filtering apparatus for correcting variation of CR-product

Method and apparatus for tuning resistors and capacitors

Calibration method and system that generates an error signal for adjusting the time constant of circuit to be calibrated

Baseband RC filter pole and on-chip current tracking system

Control system for programmable filters

Tuning circuit

Tunable poly-phase filter and method for calibration thereof

Multi-range transconductor and method of operation

Method and system for filter tuning using a digital trim value

Multi-gain transconductance amplifier

Inverter-based filter biasing with ring oscillator-based supply regulation