HIGH- AND LOW-PASS NETWORK CIRCUIT WITH INTEGRATED AMPLITUDE-PHASE REGULATION AND CONTROL METHOD THEREOF

VOLTAGE AND CURRENT GENERATOR

CALIBRATION METHOD AND TUNING METHOD FOR ON-CHIP DIFFERENTIAL ACTIVE RC FILTER

Noise filter

Transconductor circuits with programmable tradeoff between bandwidth and flicker noise

Active resonator system with tunable quality factor, frequency, and impedance

Resonator having distributed transconductance elements

Systems and methods for communicating high speed signals in a communication device

Active resonator system with tunable quality factor, frequency, and impedance

Bandpass filter providing wide gain control range

Radio-frequency-to-baseband function-reuse receiver with shared amplifiers for common-mode and differential-mode amplification

Gain-boosted n-path passive-mixer-first receiver with a single mixing step

Ultra-low-voltage current-reuse voltage-controlled oscillator and transconductance-capacitor filter

Resonator having distributed transconductance elements

Resonator having distributed transconductance elements

Operational transconductance amplifier, operational transconductance amplifier-capacitor filter and high order reconfigurable analog filter

Bi-quad calibration

TRANSCONDUCTANCE ADJUSTING CIRCUIT, FILTER CIRCUIT, AND ELECTRONIC APPARATUS

Systems and methods for filter initialization and tuning

Image rejection for low IF receivers

Transconductance adjustment circuit, circuit device, and electronic apparatus

Second order active high-pass filter with cross-coupled feedback for Q enhancement

High accuracy RC calibradion circuit

Systems and methods for filter initialization and tuning

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

Filter device and control method of the same

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

Complimentary single-ended-input OTA-C universal filter structures

Method for calibrating frequency of g-C filter and devices using the method

Active low-pass current filter

Apparatus and method for tuning a GM-C filter

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

Voltage-current converter and filter circuit using same

FILTER CIRCUIT, CONTINUOUS TIME FILTER, AND SIGNAL REPRODUCING APPARATUS

Norder tunable low-pass continuous time filter for fiber optic receivers

Active resonant circuit with resonant-frequency tunability

Filter circuit for wireless applications and noise reduction method

Apparatus and method for tuning center frequency of a filter

Apparatus and method for tuning a band pass filter

Bandpass filter circuit, band-elimination filter circuit, infrared signal processing circuit

Filter calibration with cell re-use

Method for active Gm-C filter gain control

CALIBRATION LOOP, FILTER CIRCUIT AND RELATED METHOD CAPABLE OF AUTOMATICALLY ADJUSTING CENTER FREQUENCY OF A FILTER

Transconductance filtering circuit

Apparatus and method for tuning center frequency of a filter

Control system for programmable filters

Filter circuit

Equalizers and methods for equalizing

Phase-compensated filter circuit with reduced power consumption

Tunable poly-phase filter and method for calibration thereof

High-speed Gm-C tuning

Filter apparatus including slave gm-C filter with frequency characteristics automatically tuned by master circuit

Tuning filters having transconductor cells

Automatic tuning apparatus for filter and communication instrument

Filter circuit and detection circuit having filter circuit

Multi-range transconductor and method of operation

Method and system for filter tuning using a digital trim value

Ring oscillator based RC calibration circuit

Reconfigurable analog filter with offset compensation

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

Tunable multi-path filter

Method and apparatus to reconfigure a filter