Inventor

LEE CHAO-CHENG

TW72 patents

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

LEE CHAO-CHENG

REALTEK SEMICONDUCTOR CORP

Fast start-up low-voltage bandgap voltage reference circuit

Impedance matching circuit

Hybrid coarse-fine time-to-digital converter

Variable gain amplifying circuit

Dual phase-locked loop clock synthesizer

Estimation circuit for time-interleaved ADC and method thereof

Bandgap voltage generating circuit and relevant device using the same

High voltage tolerance output stage

Average bubble correction circuit

Amplifier with common-mode feedback circuit

Power managing apparatus

Relay set in network device and method thereof

Linear-in-decibel variable gain amplifier

Amplifying circuit with variable supply voltage

Symmetric electrical connection system

Cascaded diode structure with deep N-well and method for making the same

Delay-locked loop for data recovery

Charge pump circuit with power management

Receiver with baseline wander correction and correction method thereof

Impedance matching circuit with automatic adjustment and method thereof

Line driver with active termination

Impedance matching circuit

High linearity passive mixer and method thereof

Fast lock-in all-digital phase-locked loop with extended tracking range

High resolution delay adjustor

Hybrid output stage apparatus and related method thereof

Dynamically compensated operational amplifier

Audio processing system for use in multi-channel audio chip

Voltage converting circuit structure

Circuit apparatus operable under high voltage

Impedance matching circuit

Bandwidth-adjustable filter

Apparatus and method for calibrating in-phase and quadrature-phase mismatch

Low noise amplifier and low noise amplifying method

Reference voltage generating circuit

Reference voltage generating circuit

Apparatus and method for generating a phase delay

Amplifying circuit

Linear decibel-scale variable gain amplifier

Pipeline ADC calibrating method and apparatus thereof

Apparatus and method for detecting a phase difference

Error measuring method for digitally self-calibrating pipeline ADC and apparatus thereof

Low pass filter

Amplifying circuit

Compensation circuits for unequal input/output common mode voltages

System and method for processing an instruction according to a clock and adjusting the phase of the clock according to the instruction

REALTEK SEMICONDUCTOR

Variable gain amplifier

Impedance matching circuit with automatic adjustment and method thereof

LIN CHIA-LIANG

Reference assisted control system and method thereof

LEE CHAO-CHENG

Clock and data recovery circuit