Inventor

CHANG LI-CHUNG

US52 patents

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

CHANG LI-CHUNG

QUALCOMM INC

Amplifiers with multiple outputs and configurable degeneration inductor

Split amplifiers with improved linearity

Multi-linearity mode LNA having a deboost current path

Wireless receiver with notch filter to reduce effects of transmit signal leakage

Single-input multiple-output amplifiers with independent gain control per output

Carrier aggregation amplifier with dual gain control

Receiver calibration with LO signal from inactive receiver

Baseband processing circuitry

Amplifiers with inductive degeneration and configurable gain and input matching

Cascaded switch between pluralities of LNAS

Amplifiers with noise splitting

Amplifiers with boosted or deboosted source degeneration inductance

Cross-connected cascode low noise amplifier for carrier aggregation

Electro-static discharge protection for integrated circuits

Electrostatic discharge protection for CMOS amplifier

Amplifiers with configurable mutually-coupled source degeneration inductors

Single-ended to differential signal conversion of analog signals

Spurious signal mitigation for carrier aggregation amplifier

Receiver front end for carrier aggregation

Transformer with integrated notch filter

High gain-bandwidth product (GBW) amplifier with passive feedforward compensation

Single-input multiple-output amplifiers with simultaneous multiple gain modes

Divided amplifier

Post distortion cancellation with phase shifter diode for low noise amplifier

Amplification with post-distortion compensation

High order miller N-path filter

Cascaded switch between pluralities of LNAS

Amplifier circuits

Switch and matching noise cancelling for switch low noise amplifier

Routing and shielding of signal lines to improve isolation

Area-efficient degenerative inductance for a low noise amplifier (LNA)

Low noise amplifier and notch filter

Inter carrier-aggregation isolation in a receiver

Filter circuit

Multi-stage amplifier with RC network

GUDEM PRASAD SRINIVASA SIVA

Multiple-input and multiple-output carrier aggregation receiver reuse architecture

Receiver with bypass mode for improved sensitivity

Signal splitting carrier aggregation receiver architecture

Single chip signal splitting carrier aggregation receiver architecture

LUCENT TECHNOLOGIES INC

Patch antenna with embedded impedance transformer and methods for making same

Patch antenna with finite ground plane

Broadband, low loss, modular feed for phased array antennas

GUDEM PRASAD S

High-linearity receiver with transmit leakage cancellation

Reconfigurable high linearity low noise figure receiver requiring no interstage saw filter

CHANG LI-CHUNG

Receiver with balanced I/Q transformer

Carrier aggregation receiver architecture

LEE HANIL

Amplifiers with improved linearity and noise performance

REALTEK SEMICONDUCTOR CORP

Chip and calibration method thereof

AU OPTRONICS CORP

Fabrication method for thin film transistor array substrate

SANTCHAN CO LTD

Method for measuring strokes of CPR and system using the same