Inventor

LEUNG LAI KAN

US53 patents

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

LEUNG LAI KAN

QUALCOMM INC

Bidirectional variable gain amplification

Digital duty cycle correction for frequency multiplier

Multi-way diversity receiver with multiple synthesizers in a carrier aggregation transceiver

Receiver IIP2 analog calibration

Current-mode filtering with switching

Reconfigurable wideband current-mode filters

Reconfigurable receiver circuits for test signal generation

Sub-band-full-duplex interference mitigation

Frequency synthesizer with selectable modes

Multiplex modules for carrier aggregation receivers

Dynamic local oscillator (LO) scheme and switchable receive (RX) chain for carrier aggregation

Reconfigurable multi-mode transceiver

Glitch free bandwidth-switching scheme for an analog phase-locked loop (PLL)

Radio frequency (RF) front end having multiple low noise amplifier modules

Frequency synthesizer architecture in a time-division duplex mode for a wireless device

Polyphase filter with interphase coupling

Phase shifter with bidirectional amplification

Phase shifter with active signal phase generation

RF output driver

Techniques for low-loss multi-band multiplexing

Enhanced broadband operation of an active mixer

Multi-band radio-frequency reception

Reconfigurable amplifier

Synchronizing multiple phase-locked loop circuits

Biasing technique for receiver based on radio frequency (RF) jammer detection

Complementary current-mode biquad with high linearity

Signal combiner

Reconfigurable radio frequency (RF) interference signal detector with wide dynamic range transceiver module

Methods and apparatus for a transmit path with frequency hopping phase locked loop

Multi-band filter architectures

Tuning voltage tracker for receive/transmit phase-locked loop (PLL) fast switching

Configurable receive path for mixer-first or amplifier-first signal processing

Reconfigurable baseband filter

Reconfigurable amplifier

Reconfigurable amplifier

Fan-out multi-stage amplifier with configurable paths

Multiplex modules for carrier aggregation receivers

Multi-way diversity receiver with multiple synthesizers in a carrier aggregation transceiver

Avoiding spurious responses with reconfigurable LO dividers

Low noise amplifier module with output coupler

Self-biased charge pump

VCO-coupling mitigation in a multiple-carrier, carrier aggregation receiver

Complementary variable gain amplification

Time-interleaved charge sampler receiver

Current-mode filtering using current steering

Phase detection and correction for non-continuous local oscillator generator

UNIV HONG KONG SCIENCE & TECHN

Dual-mode voltage controlled oscillator using integrated variable inductors

Dual-mode voltage-controlled oscillator

NARATHONG CHIEWCHARN

Adaptive clock switching to capture asynchronous data within a phase-to-digital converter

LEUNG LAI KAN

Two point modulation digital phase locked loop