Inventor

SONG YONGHUA

US61 patents

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

SONG YONGHUA

MARVELL INT LTD

Low leakage power management

Sigma delta modulated phase lock loop with phase interpolation

Adaptive timing using clock recovery

Method and apparatus for reducing wake up time of a powered down device

T-network capbank

Amplifier calibration

Baseband filter start-up circuit

Power savings apparatus and method for wireless network devices

Low power high speed pipeline ADC

Sigma delta modulated phase lock loop with phase interpolation

Calibration based DC coupled analog front end for optical storage system

Self biased low noise high PSRR constant GM for VCO

Voltage regulator for high performance RF systems

Low-jitter phase-locked loop

Power-efficient biasing circuit

Programmable gain voltage buffer

Circuits, architectures, systems and methods for overvoltage protection

Circuits, architectures, systems and methods for overvoltage protection

Scalable integrated circuit architecture with analog circuits

Temperature and process independent CMOS circuit

Charge compensation for operational transconductance amplifier based circuits

Method and apparatus for reducing jitter in a transmitter

Self biased low noise high PSRR constant gm for VCO

Method and apparatus for reducing wake up time of a powered down device

Voltage regulator for high performance RF systems

Low-noise, temperature-insensitive, voltage or current input, analog front end architecture

Scalable integrated circuit architecture

Scalable integrated circuit architecture

Baseband filter start-up circuit

Baseband filter start-up circuit

Low-noise, temperature-insensitive, voltage or current input, analog front end architecture

System and method for tuning a receiver by iteratively dividing a frequency band into multiple sub-bands

Voltage regulator for providing a regulated voltage to subcircuits of an RF frequency circuit

Low power, low voltage phase interpolator

Method and apparatus for reducing wake up time of a powered down device

Voltage regulator for high performance RF systems

MARVELL WORLD TRADE LTD

Method and apparatus for controlling a lighting device

Touch panel and touch detection circuit

Auto-zero current sensing amplifier

WANG HUI

Adaptive timing using clock recovery

Adaptive timing using clock recovery

Adaptive timing using clock recovery

ZHOU HAO

Low power high speed pipeline ADC

Beta enhanced voltage reference circuit

SONG YONGHUA

Low power, low voltage phase interpolator

Low power, low voltage phase interpolator

LI YINGXUAN

Calibration based DC coupled analog front end for optical storage system

TAN CHUN-GEIK

Self biased low noise high PSRR constant GM for VCO

AN FU-TAI

Low-noise, temperature-insensitive, voltage or current input, analog front end architecture

WU SONGPING

Method and apparatus for compensating impairments in radio frequency circuitry of a wireless device