Inventor

NARATHONG CHIEWCHARN

US57 patents

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

NARATHONG CHIEWCHARN

QUALCOMM INC

Ultra low noise high linearity LNA for multi-mode transceiver

Low-power modulus divider stage

PLL lock management system

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

Cancelling supply noise in a voltage controlled oscillator circuit

Receiver IIP2 analog calibration

Reconfigurable receiver circuits for test signal generation

Amplifier with gain expansion stage

Multi-modulus divider retiming circuit

Configurable multi-modulus frequency divider for multi-mode mobile communication devices

Carrier aggregation low-noise amplifier with tunable integrated power splitter

Spectrum sensing radio receiver

Multiplex modules for carrier aggregation receivers

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

Reconfigurable multi-mode transceiver

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

Local oscillator (LO) generator with multi-phase divider and phase locked loop

Method and apparatus for concurrent communication with multiple wireless communication systems of different radio access technologies

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

Omni-band amplifiers

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

Carrier aggregation diversity antenna module with integrated LNA banks

Digital-to-analog converter with non-uniform resolution

Techniques for improving balun loaded-Q

Versatile and compact DC-coupled CML buffer

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

Reconfigurable baseband filter

Apparatus and method for generating an oscillating output signal

Fan-out multi-stage amplifier with configurable paths

Reconfigurable receiver circuits for test signal generation

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

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

Expandable transceivers and receivers

Transmit diversity architecture with optimized power consumption and area for UMTS and LTE systems

LIU LI

Wideband temperature compensated resonator and wideband VCO

Reconfigurable local oscillator for optimal noise performance in a multi-standard transceiver

Low power local oscillator signal generation

NARATHONG CHIEWCHARN

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

Digital-to-analog converter with non-uniform resolution

Multi-mode configurable transmitter circuit

SU WENJUN

Multi-cascode amplifier bias techniques

High linear fast peak detector

SAHOTA GURKANWAL SINGH

Tracking filter for a receiver

TASIC ALEKSANDAR MIODRAG

Multiple-input multiple-output (MIMO) low noise amplifiers for carrier aggregation

TANG YIWU

Varactorless tunable oscillator

LEUNG LAI KAN

Two point modulation digital phase locked loop

ANIRUDDHAN SANKARAN

Local oscillator buffer and mixer having adjustable size