Patents

High Directivity Signal Coupler

Patent: 11,821,930 Date: 21/11/2023

Experimental Verification and Optimization of Two-Stage Amplifier

Patent: 11,816,416 Date: 14/11/2023

Temperature Controlled High Power Tuner

Patent: 11,742,833 Date: 29/08/2023

Load Pull System Using Two-Probe Waveguide Tuner

Patent: 11,733,280 Date: 22/08/2023

Very Low Frequency Impedance Tuner

Patent: 11,716,068 Date: 01/08/2023

Low Profile Millimeterwave Load Pull Tuner

Patent: 11,688,919 Date: 27/06/2023

Integrated Waveguide Tuner

Patent: 11,662,364 Date: 30/05/2023

Combination Probes for Load Pull Tuner

Patent: 11,621,468 Date: 04/04/2023

Two Probe Waveguide Tuner

Patent: 111,616,281 Date: 28/03/2023

High Speed Calibration for Impedance Tuner

Patent: 11,604,224 Date: 14/03/2023

Hermetic Load and Source Pull Wafer Probe Station

Patent: 11,598,790 Date: 07/03/2023

Anti-Skewing Load Pull Tuner with Rotating Probe

Patent: 11,581,623 Date: 14/02/2023

Calibration Method for Slide Screw Impedance Tuners

Patent: 11,519,994 Date: 06/12/2022

On-Wafer Tuner System and Method

Patent: 11,506,708 Date: 22/11/2022

Wafer Probe Integration with Load Pull Tuner

Patent: 11,480,589 Date: 25/10/2022

Load Pull Pattern Generation

Patent: 111,480,610 Date: 25/10/2022

Slide Screw Tuner with Adjustable Pitch

Patent: 11,460,530 Date: 04/10/2022

High-Speed High-Resolution Slide Screw Tuner

Patent: 11,462,809 Date: 04/10/2022

Low Profile High Speed Load Pull Tuner System

Patent: 11,428,771 Date: 30/08/2022

Low Profile Slide Screw Tuners and Method

Patent: 11,402,424 Date: 02/08/2022

Heterodyne Active Electronic Load Pull Tuner

Patent: 11,391,770 Date: 18/07/2022

Integrated Pre-Matching Module for Impedance Tuner

Patent: 11,327,101 Date: 10/05/2022

Anti-Skewing Impedance Tuner

Patent: 11,329,354 Date: 10/05/2022

Directional Wire Coupler for Waveguide Tuners and Method

Patent: 11,233,307 Date: 25/01/2022

Digital Load Pull Tuner

Patent: 11,217,870 Date: 04/01/2022

Low Frequency Active Load Pull Tuner

Patent: 11,193,966 Date: 07/12/2021

Simple Directional Coupler

Patent: 11,196,139 Date: 07/12/2021

Waveguide Slide Screw Tuner with Rotating Disc Probes

Patent: 11,156,626 Date: 26/10/2021

Fast Impedance Tuner Calibration

Patent: 11,158,921 Date: 26/10/2021

Active Load Pull Tuning System for Modulated Signal

Patent: 11,137,430 Date: 05/10/2021

High Speed Hybrid Load and Source Pull System

Patent: 11,137,439 Date: 05/10/2021

A Coaxial TRL Calibration Kit Adapter

Patent: 11,137,470 Date: 05/10/2021

Shielded RF and Thermal Connection for On-Wafer Load Pull

Patent: 11,125,777 Date: 21/09/2021

Multi-Octave Hybrid Harmonic Load Pull Tuner

Patent: 11,119,136 Date: 14/09/2021

Impedance Pattern Generation for Noise Parameter Measurement System

Patent: 11,119,140 Date: 14/09/2021

Active Harmonic Load Pull Impedance Tuner

Patent: 11,092,619 Date: 17/08/2021

Integrated Tera-Hertz Slide Screw Tuner

Patent: 11,095,013 Date: 17/08/2021

Active Harmonic Load Pull Impedance Tuner

Patent: 11,041,882 Date: 22/06/2021

Harmonic Hybrid Electronic Load Pull Tuner

Patent: 11,038,249 Date: 15/06/2021

Transforming Load Pull Test Fixture for Wave Measurements

Patent: 11,029,351 Date: 08/06/2021

Millimeterwave Tuners with External Airline

Patent: 11,002,762 Date: 11/05/2021

Method for Experimental Verification of RF Matching Networks

Patent: 11,006,288 Date: 11/05/2021

Transmission Line for High Power Tuners

Patent: 10,971,791 Date: 06/04/2021

Calibration Method for Coupler-Tuner Assembly

Patent: 10,938,490 Date: 02/03/2021

Calibration and Load Pull Method for RF and Baseband Frequencies

Patent: 10,884,046 Date: 05/01/2021

Liquid cooled High Power Impedance Tuner

Patent: 10,804,872 Date: 13/10/2020

MHz Range Harmonic Impedance Tuner and Method

Patent: 10,756,694 Date: 25/08/2020

Coaxial Adjustable Wave Probe

Patent: 10,734,697 Date: 04/08/2020

Pre-Matched Coaxial Transistor Test Fixture

Patent: 10,725,092 Date: 28/07/2020

Active Electronic Tuner

Patent: 10,725,094 Date: 28/07/2020

Compact Millimeter-Wave Tuner

Patent: 10,700,402 Date: 30/06/2020

High Gamma Disc-Tuning Probes for Impedance Tuners

Patent: 10,693,208 Date: 23/06/2020

High Gamma On-Wafer Load Pull Test System

Patent: 10,693,437 Date: 23/06/2020

Slide Screw Tuners with Offset Probes and Method

Patent: 10,686,239 Date: 16/06/2020

A Hermetic RF Connection for On-Wafer Operation

Patent: 10,637,122 Date: 28/04/2020

Slide Screw Tuners with Offset Tuning Probes and Method

Patent: 10,637,179 Date: 28/04/2020

Frequency Adjustable Pre-Matching Coaxial Transistor Test Fixture

Patent: 10,591,511 Date: 17/03/2020

Coplanar Load Pull Test Fixture for Wave Measurements

Patent: 10,591,530 Date: 17/03/2020

Adjustable Pre-Matching Coaxial Transistor Test Fixture

Patent: 10,591,571 Date: 17/03/2020

Hybrid Electronic Tuner

Patent: 10520541 Date: 31/02/2019

Hybrid Split Signal Load Pull System with Wave-Probe

Patent: 10444266 Date: 25/10/2019

Calibration Method for High Gamma Combo Tuner

Patent: 10,451,702 Date: 22/10/2019

Setup and Method for Noise Parameter Measurement

Patent: 10,429,426 Date: 01/10/2019

Compact Harmonic Tuner System with Rotating Probes

Patent: 10,429,484 Date: 01/10/2019

Hybrid Harmonic Tuner

Patent: 10,345,370 Date: 07/09/2019

Compact Harmonic Tuner System with Rotating Probes

Patent: 10,345,422 Date: 07/09/2019

Hybrid Digital Electronic Tuner

Patent: 10,348,273 Date: 07/09/2019

High Gamma Electronic Tuner

Patent: 10,317,445 Date: 17/06/2019

High Power Low Frequency Tuners

Patent: 10,290,428 Date: 14/05/2019

Load Pull Method for Transistors Driven by Modulated Signal

Patent: 10,281,510 Date: 07/05/2019

Programmable Harmonic Amplitude and Phase Controller

Patent: 10,276,910 Date: 30/04/2019

Hybrid Electronic Tuner

Patent: 10,520,541 Date: 03/03/2019

Integrated Split Signal Hybrid Harmonic Tune

Patent: 10,187,228 Date: 22/01/2019

Transistor Test Fixture with Convex Surface

Patent: 10,184,972 Date: 22/01/2019

Compact Harmonic Amplitude and Phase Controller

Patent: 10,177,428 Date: 08/01/2019

Hybrid Harmonic Impedance Tuner

Patent: 10,177,429 Date: 08/01/2019

Active Slide Screw Tuner

Patent: 10,168,362 Date: 01/01/2019

Hybrid Electro-Mechanical Tuner

Patent: 10,103,713 Date: 16/10/2018

High Gamma Compact Harmonic Tuner

Patent: 10,097,165 Date: 09/10/2018

Stable Load Pull Operation Using Tuners

Patent: 10,006,951 Date: 26/06/2018

Transistor Test Fixture with Integrated Couplers and Method

Patent: 10,001,521 Date: 19/06/2018

Programmable Amplitude and Phase Controller

Patent: 9,960,472 Date: 01/05/2018

Method for Reducing Power Requirements in Active Load Pull System

Patent: 9,921,253 Date: 20/03/2018

High Frequency Phase Reference Standard Signal

Patent: 9,897,637 Date: 20/02/2018

Compact Multi-Carriage Impedance Tuner and Method

Patent: 9,899,984 Date: 20/02/2018

Multi-band Low Frequency Impedance Tuner

Patent: 9,893,717 Date: 13/02/2018

High Frequency High Reflection Pre-Matching Tuners with Variable Zero Initialization

Patent: RE46703 Date: 06/02/2018

High Reliability Power Tuners

Patent: 9,866,203 Date: 09/01/2018

Tuning Method for Hybrid Active Injection Load Pull System

Patent: 9,857,410 Date: 02/01/2018

Multi-Frequency Attenuation and Phase Shifters

Patent: 9,835,652 Date: 05/12/2017

Calibration of High Frequency Signal Measurement Systems

Patent: 9,838,986 Date: 05/12/2017

Multi-band Low Frequency Impedance Tuner

Patent: 9,722,569 Date: 01/08/2017

Low Cost Probes for Slide Screw Tuners

Patent: 9,716,303 Date: 25/07/2017

Wideband Slide Screw Impedance Tuner

Patent: 9,716,483 Date: 25/07/2017

High Speed Hybrid Active Load Pull

Patent: 9,664,718 Date: 30/05/2017

High Power Slide Screw Tuners

Patent: 9,666,928 Date: 30/05/2017

Wafer Probe Holder for Planarity and Orientation Adjustment

Patent: 9,653,332 Date: 16/05/2017

Variable Capacitors for High Accuracy Tuning

Patent: 9,647,629 Date: 09/05/2017

Method for Calibration and Tuning with Impedance Tuners

Patent: 9,625,556 Date: 18/04/2017

Compact Two Probe Impedance Tuner

Patent: 9,620,842 Date: 11/04/2017

Circular Impedance Tuner

Patent: 9,602,072 Date: 21/03/2017

Coaxial Alignment Instrument Adapter

Patent: 9,553,376 Date: 24/01/2017

Noise Parameter Measurement System

Patent: 9,541,592 Date: 10/01/2017

Hybrid Load Pull System and Method

Patent: 9,459,336 Date: 04/10/2016

Intelligent Mechanical Balancing Apparatus for Slide Screw Tuner

Patent: 9,431,999 Date: 30/08/2016

A Wideband Attenuation and Phase Controller

Patent: 9,112,250 Date: 18/08/2016

Noise Parameter Extraction Method

Patent: 9,366,710 Date: 14/06/2016

Low Frequency Coaxial Capacitors and Tuners

Patent: 9,344,061 Date: 17/05/2016

A Method for Planarity Alignment of Waveguide Wafer Probes

Patent: 9,335,345 Date: 10/05/2016

Gamma Boosting Unit (GBU) for Hybrid Load and Source Pull

Patent: 9,331,670 Date: 03/05/2016

A Method for Planarity Alignment of Wafer Probes

Patent: 9,322,843 Date: 26/04/2016

An Impedance Tuner with Adjustable Electrical Length

Patent: 9,325,290 Date: 26/04/2016

A Load and Source Pull Test System for RF and Baseband Frequencies

Patent: 9,310,410 Date: 12/04/2016

Impedance Tuners with Rotating Multi-Section Probes

Patent: 9,276,551 Date: 01/03/2016

A Method for Maximizing for Reflection Factor of Impedance Tuners

Patent: 9,267,977 Date: 23/02/2016

Impedance Tuners with Rotating Probes

Patent: 9,257,963 Date: 09/02/2016

Wideband Attenuation and Phase Controller

Patent: 9,252,471 Date: 02/02/2016

Wideband Tuning Probes for Impedance Tuners and Method

Patent: 9,252,738 Date: 02/02/2016

Multi-Source Active Injection Load Pull System and Method

Patent: 9,213,056 Date: 15/12/2015

Adaptable Pre-Matched Tuner Systems and Method

Patent: RE45,667 Date: 15/12/2015

A Mechanically Short Multi-Carriage Tuner and Method

Patent: 9,041,498 Date: 26/05/2015

An Impedance Tuner using Dielectrically Filled Airline

Patent: 8,975,988 Date: 10/03/2015

Waveguide Tuners with Planarity Adjustment for Wafer Probing

Patent: 8,933,707 Date: 13/01/2015

Improved Mechanically Controlled Variable Capacitors for Impedance Tuner

Patent: 8,919,861 Date: 16/12/2014

Method for Preventing Electrical Short in Impedance Tuners Using Mechanical Stop

Patent: 8,854,162 Date: 07/10/2014

Adjustable Signal Sampling Sensor and Method

Patent: 8,841,921 Date: 23/09/2014

Noise parameter Measurement System and Method

Patent: 8,786,293 Date: 22/07/2014

VHF Harmonic Impedance Tuner

Patent: 8,629,742 Date: 14/01/2014

Calibration and Tuning Using Compact Multi Frequency-Range Impedance Tuners

Patent: 8,896,401 Date: 25/11/2013

Method for Reducing Power Requirements in Active L/P Systems

Patent: 8,497,689 Date: 30/07/2013

VHF Harmonic Impedance Tuner

Patent: 8,497,745 Date: 30/07/2013

Impedance Tuner with Integrated Bias Network

Patent: 8,466,758 Date: 18/06/2013

Impedance Tuners with Mechanical Stop

Patent: 8,461,946 Date: 11/06/2013

Self-Adjustable Probes for Slide Screw Impedance Tuners

Patent: 8,427,255 Date: 23/04/2013

Compact Multi Frequency-Range Impedance Tuner

Patent: 8,410,862 Date: 02/04/2013

Wideband I-V Probe and Method

Patent: 8,405,405 Date: 26/03/2013

Wideband Low Frequency Impedance Tuner

Patent: 8,405,466 Date: 26/03/2013

Harmonic Impedance Tuner with Four Wideband Probes and Methods

Patent: 8,405,475 Date: 26/03/2013

Compact Harmonic Impedance Tuner

Patent: 8,400,238 Date: 19/03/2013

Harmonic Rejection Tuner with Adjustable Short Circuited Resonators

Patent: 8,362,787 Date: 29/01/2013

Impedance Tuners with Resonant Probes

Patent: 8,358,186 Date: 22/01/2013

Harmonic Impedance Tuner with Four Wideband Peobes and Method

Patent: 8,212,628 Date: 03/07/2012

Wideband Low Frequency Impedance Tuner

Patent: 8,212,629 Date: 03/07/2012

Autonomous Impedance Tuner with Human Control Interface

Patent: 8,203,348 Date: 19/06/2012

Compact Harmonic Impedance Tuner

Patent: 8,188,816 Date: 29/05/2012

High Frequency Circuit Analyser

Patent: 7,816,926 Date: 19/10/2010

Low Frequency Electro-Mechanical Impedance Tuner

Patent: 7,646,267 Date: 12/01/2010

Low Frequency Harmonic Load Pull Tuner and Method

Patent: 7,646,268 Date: 12/01/2010

Harmonic Rejection Tuner with Adjustable Resonators

Patent: 7,561,004 Date: 14/07/2009

Harmonic Load Pull Tuner with Resonant Pre-matching Module

Patent: 7,449,893 Date: 11/11/2008

Method of Combining Signals and Device Therefor

Patent: 7,385,461 Date: 10/06/2008

Frequency Selective Load Pull Tuner and Method

Patent: 7,248,866 Date: 24/07/2007

Triple Probe Automatic Slide Screw Load Pull Tuner and Method

Patent: 7,135,941 Date: 14/11/2006

Mechanically Balanced Microwave Load Pull Tuner

Patent: 7,102,457 Date: 05/09/2006

High Reflection Microwave Tuner Using Metal-dielectric Probe and Method

Patent: 7,035,628 Date: 30/05/2006

High Frequency, High Reflection Pre-Matching Tuners with Variable Zero Initialization

Patent: 7,034,629 Date: 25/04/2006

Low Loss Integration of Wafer Probes with Microwave Tuners

Patent: 6,998,836 Date: 14/02/2006

Microwave Tuners for Wideband High Reflection Applications

Patent: 6,850,076 Date: 02/01/2005

Adaptable Pre-Matched Tuner System and Method

Patent: 6,674,293 Date: 06/01/2004

Methods and Apparatus for Time-Domain Measurement with a High Frequency Circuit Analyzer

Patent: 6,639,393 Date: 28/10/2003

Low-Loss Microwave Device Test Fixture with Adjustable Blocks

Patent: 6,414,563 Date: 02/07/2002

Harmonic Rejection Load Tuner

Patent: 6,297,649 Date: 02/10/2001

Pre-Matched Hybrid Load Pull Tuner for Modulated Signal and Method

Patent: 18/375,083 Date: 29/09/2023

Load Pull System Using Tuner with Two Dual-State Probes

Patent: 18/368,668 Date: 15/09/2023

Method for Dynamic Balancing Slide Screw Tuners On Wafer

Patent: 18/244,416 Date: 11/09/2023

Load Pull Tuner With Integrated On-Wafer Planarity Control

Patent: 18/244,436 Date: 11/09/2023

Active Load Pull System

Patent: 18/222,517 Date: 17/07/2023

Load Pull Tuner on Waveguide Wafer-Probe

Patent: 18/221,433 Date: 13/07/2023

Load Pull Tuning Probe with Adjustable Notch

Patent: 18/221,094 Date: 12/07/2023

Anti Abrasion Wafer Probes

Patent: 18/143,165 Date: 04/05/2023

Load Pull Tuner for Waveguide Wafer Probe

Patent: 18/133,554 Date: 12/04/2023

Harmonic Load Pull Tuner

Patent: 18/113,850 Date: 24/02/2023

Two Probe Low Profile Tuner

Patent: 17/981,415 Date: 05/11/2022

A Simple Waveguide Load Pull Tuner

Patent: 17/975,885 Date: 28/10/2022

Waveguide Slide Screw Tuner and Method

Patent: 17/965,900 Date: 14/10/2022

Directional Signal Coupler-Divider

Patent: 17/966,728 Date: 14/10/2022

Waveguide Tuner with Signal Coupler-Divider

Patent: 17/966,757 Date: 14/10/2022

Tuning Methods for Digital Hybrid Load Pull System

Patent: 17/960,990 Date: 06/10/2022

Anti-Skewing Impedance Tuner Calibration

Patent: 17/871,316 Date: 22/07/2022

Two Probe Compact Slide Screw Tuner and Method

Patent: 17/829,756 Date: 01/06/2022

On-Wafer Tuner with Contact Control

Patent: 17/827,861 Date: 30/05/2022

Planarity Control for Load Pull Tuner On Wafer

Patent: 17/826,838 Date: 27/05/2022

Sub-THz Vector Load Pull Tuner

Patent: 17/725,728 Date: 21/04/2022

Very Low Frequency Tuner with Adjustable Dielectric

Patent: 17/541,404 Date: 03/12/2021

Load Pull Tuner with 2-State Probes

Patent: 17/524,836 Date: 12/11/2021

Adjustable Directional Coupler

Patent: 17/518,225 Date: 03/11/2021

Hybrid Harmonic Source Pull Tuner System

Patent: 16/509,936 Date: 12/07/2019