Inventor

ZHANG CEMIN

US25 patents

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

ZHANG CEMIN

CHENGDU SICORE SEMICONDUCTOR CORP LTD

Frequency comb generator

Coupled-inductor based resonator and formed voltage controlled oscillator thereof

High accuracy phase shift apparatus

Non-linear transmission line (NLTL) frequency comb generator and formed multiplier

High linearity RF circuit and method for improving linearity thereof

Systems and methods for wideband segmented voltage controlled oscillator calibration

Systems and methods of real-time frequency calibration for segmented voltage controlled oscillator based phase-lock loop

Stacked die RF circuits and package method thereof

Systems for millimeter-wave chip packaging

Digital step attenuator

Method for channel parameters consistency calibration in multi-channel phased array systems

Tunable gain equalizer

Wideband signal source

Analog bandpass filters

ZHANG CEMIN

Absorptive tunable bandstop filter with wide tuning range and electrically tunable all-pass filter useful therein

Hybrid resonator based voltage controlled oscillator (VCO)

Frequency extender

Analog phase shifter and a method for shifting phase of RF signals

Multiplexer based frequency extender

ANALOG DEVICES INC

Circuit with reduced noise and controlled frequency

Resonant circuit including bump pads

Apparatus and methods for multi-mode low noise amplifiers

HITTITE MICROWAVE CORP

Voltage controlled oscillator

Injection locked pulsed oscillator

KOECHLIN MICHAEL

Wideband analog phase shifter