Inventor

CHANG CHIA-JUN

TW23 patents

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

CHANG CHIA-JUN

REALTEK SEMICONDUCTOR CORP

Amplifier device

Resistive attenuator and method for improving linearity of resistive attenuator

Radio-frequency circuit

Amplifying circuit

Low pass filter

Inductor device that can resist external interference and adjust inductance value and quality factor of inductor

Mix-type sample and hold circuit of receiving end and receiving method thereof

Filter and associated receiving circuit

Frequency mixing circuit with multi-transistor architecture

Variable gain amplifier circuit and method having linearity compensation mechanism

Wireless transceiver having in-phase quadrature-phase calibration function

Radio frequency transceiver device

Impedance calibration circuit and method thereof

Communication chip

Low noise amplifier circuit having multiple gains

Resistor-capacitor calibration method and resistor-capacitor calibration circuit

Amplifying circuit and associated receiver

CHEN HSIEN-KU

Amplifier with gain circuit coupeld to primary coil of transformer

Signal converting circuit capable of reducing/avoiding signal leakage and related signal converting method

Signal amplifying circuit with reduced output signal noise by introducing coupling effect and related method thereof

WANG PO-CHIH

Signal transmitting/receiving circuit including an impedance matching circuit

CHIU PEI-JU

Receiving device and related method for calibrating DC offset

CHANG CHIA-JUN

Hydrant apparatus and water discharging method