Inventor

LEE HUI DONG

KR32 patents

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

LEE HUI DONG

ELECTRONICS & TELECOMMUNICATIONS RES INST

Amplifier for reusing current by using transformer and method thereof

Oscillation circuit and transmitter including the same

Method for signal modulation based on pulse density modulation and apparatus therefor

Circuit for amplifying radio signal using high frequency

Terahertz wideband antenna and method of designing the same

Transformer-based amplifier, operating method thereof, and devices including the same

Passive mixer, operating method thereof, and devices including the same

Antenna system and apparatus including the same

Bidirectional amplifier including matching circuits having symmetrical structure and communication device including the same

Reconfigurable circuit for differential network including cross-coupled switch

Differential transmission line having high isolation and configuration method thereof

Semiconductor-based temperature sensor and method of operating the same

Array antenna system, and calibration method and apparatus thereof

Apparatus for envelope delay control in an envelope-tracking power amplifier

Impedance matching circuit of communication apparatus

Method for data modulation in wireless communication system and apparatus for the same

High frequency signal amplifier including balun

KOREA ELECTRONICS TELECOMM

Fast wideband frequency comparator

Lock detection circuit and lock detecting method

Charge pump circuit and phase-locked loop including the charge pump circuit

Lock detecter and clock generator having the same

Apparatus for controlling duty ratio of signal

Phase locked loop circuit including automatic frequency control circuit and operating method thereof

Low voltage frequency synthesizer using boosting method for power supply voltage of charge pump

LEE HUI DONG

Ring oscillator having wide frequency range

LC voltage-controlled oscillator

Triangular wave generator and method generating triangular wave thereof

YUN SEOK JU

Oscillator

Spread spectrum clock generating circuit

NAM JAEWON

Motor control device and method of controlling the same

CHO SANG HYUN

Phase-locked loop circuit comprising voltage-controlled oscillator having variable gain

CHO YOUNG KYUN

Sensorless BLDC motor systems and driving methods of sensorless BLDC motor