Inventor

ZANBAGHI RAMIN

US53 patents

⚠️ This page may combine multiple inventors who share the name “ZANBAGHI RAMIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ZANBAGHI RAMIN

CIRRUS LOGIC INT SEMICONDUCTOR LTD

Non-linearity cancellation in a dual-path ADC

Voltage-controlled oscillator (VCO) as first stage in an analog-to-digital converter (ADC) in combination with a digital filter for second or higher-order noise shaping

Common-mode leakage error calibration for current sensing in a class-D stage using a pilot tone

Multi-path analog system with multi-mode high-pass filter

Multi-path analog system with multi-mode high-pass filter

Analog-to-digital converter-embedded fixed-phase variable gain amplifier stages for dual monitoring paths

Direct driver voltage to ramp signal generation

Multi-path analog system with multi-mode high-pass filter

Temperature sensing with feedback digital-analog converter (DAC) of delta-sigma modulator

Neutralizing voltage kickback in a switched capacitor based data converter

Dual-channel class-D audio amplifier having quantizer-combined orthogonal modulation

Common mode output voltage biasing in class-D audio amplifiers having selectable differential or dual single-ended operation

Common-mode insensitive current-sensing topology in full-bridge driver

System and method for removing error in a system having an analog-to-digital converter

PWM modulator having quantizer with controllable analog gain and calibratable for multi-non-ideal gain-affecting characteristics

High dynamic range temperature sensor

Noise reduction in voltage reference signal

Splice-point determined zero-crossing management in audio amplifiers

Common-mode compensation in a multi-level pulse-width modulation system

Analog circuit differential pair element mismatch detection using spectral separation

Common-mode leakage error calibration for current sensing in a Class-D stage using a pilot tone

Zero-crossing management in Class-D audio amplifiers

Detection and protection of short between power supplies in a Y-bridge driver

Minimizing idle channel noise in a class-D pulse width modulation amplifier

Slew control for variable load pulse-width modulation driver and load sensing

PWM modulator having quantizer calibratable for multi-non-ideal gain-affecting characteristics

Detector and method for measuring a resistance of a variable resistance sensor whose resistance varies with respect to a time-varying stimulus

Data-dependent glitch and inter-symbol interference minimization in switched-capacitor circuits

Hybrid autozeroing and chopping offset cancellation for switched-capacitor circuits

Ratiometric current-monitor sense resistance mismatch evaluation and calibration

Transducer driver enhancement with intelligent threshold selection within non-overlap generator

Capacitance-to-digital converter

Phase shorting switch

Common-mode insensitive current-sensing topology in full-bridge driver with high-side and low-side energy matching calibration

Analog-to-digital converter (ADC) dynamic range enhancement for voice-activated systems

Chopped triangular wave PWM quantizer

Multi-path analog system with multi-mode high-pass filter

Circuit element pair matching method and circuit

CIRRUS LOGIC INC

Systems and methods for dynamic range enhancement using an open-loop modulator in parallel with a closed-loop modulator

Feed-forward analog-to-digital converter (ADC) with a reduced number of amplifiers and feed-forward signal paths

Non-linearity cancellation in a dual-path ADC

Switch-mode drive sensing of reverse recovery in bipolar junction transistor (BJT)-based power converters

Two terminal drive of bipolar junction transistor (BJT) of a light emitting diode (LED)-based bulb

Self-oscillating resonant converter-based light emitting diode (LED) driver

Detection and control mechanism for tail current in a bipolar junction transistor (BJT)-based power stage

Compensating for a reverse recovery time period of a bipolar junction transistor (BJT) in switch-mode operation of a light-emitting diode (LED)-based bulb

Systems and methods for dynamic range enhancement using an open-loop modulator in parallel with a closed-loop modulator

Charge pump-based drive circuitry for bipolar junction transistor (BJT)-based power supply

Single pin control of bipolar junction transistor (BJT)-based power stage

KONINKL PHILIPS NV

Stabilization circuit for low-voltage lighting