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using at least one transistor as controlling device, the transistor being used as a variable impedance device
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H03G3/3063
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Parent Industries
H
ELECTRICITY
H03
Electronic circuits
H03G
CONTROL OF AMPLIFICATION
H03G3/00
Gain control in amplifiers or frequency changers without distortion of the input signal
Current Industry
H03G3/3063
using at least one transistor as controlling device, the transistor being used as a variable impedance device
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Patents Grants
last 30 patents
Information
Patent Grant
Attenuators having phase shift and gain compensation circuits
Patent number
12,237,820
Issue date
Feb 25, 2025
Skyworks Solutions, Inc.
Yan Yan
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Providing a constant impedance at an input of a signal amplifier fo...
Patent number
11,476,819
Issue date
Oct 18, 2022
Skyworks Solutions, Inc.
Junhyung Lee
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Extended feedback gain tuning in TIA based current amplifier or mixer
Patent number
11,405,003
Issue date
Aug 2, 2022
BAE Systems Information and Electronic Systems Integration Inc.
Gregory M. Flewelling
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Multi-input amplifier with individual bypass paths
Patent number
11,329,621
Issue date
May 10, 2022
Skyworks Solutions, Inc.
Junhyung Lee
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Variable-phase amplifier circuits and devices
Patent number
11,183,984
Issue date
Nov 23, 2021
Skyworks Solutions, Inc.
Junhyung Lee
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Automatic gain control circuit of transimpedance amplifier
Patent number
10,992,275
Issue date
Apr 27, 2021
XIAMEN UX HIGH-SPEED IC CO., LTD.
Shaoheng Lin
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Amplifying signals using compensating impedances to improve return...
Patent number
10,985,722
Issue date
Apr 20, 2021
Skyworks Solutions, Inc.
Junhyung Lee
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Receiving circuits and methods for increasing bandwidth
Patent number
10,979,256
Issue date
Apr 13, 2021
SHANGHAI ZHAOXIN SEMICONDUCTOR CO., LTD.
Zhaoyang Sun
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Multi-input amplifier with variable gain for individual inputs
Patent number
10,797,668
Issue date
Oct 6, 2020
Skyworks Solutions, Inc.
Junhyung Lee
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Amplifier with scalable impedance adjustments over gain modes
Patent number
10,771,029
Issue date
Sep 8, 2020
Skyworks Solutions, Inc.
Junhyung Lee
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Ultrafast and precise gain control step in RF amplifiers
Patent number
10,666,214
Issue date
May 26, 2020
Integrated Device Technology, Inc.
Victor Korol
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Low-noise amplifier having programmable-phase gain stage
Patent number
10,476,460
Issue date
Nov 12, 2019
Skyworks Solutions, Inc.
Junhyung Lee
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Multi-input amplifier with improved return loss and mismatch over g...
Patent number
10,469,045
Issue date
Nov 5, 2019
Skyworks Solutions, Inc.
Junhyung Lee
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Multi-input amplifier with programmable embedded attenuators
Patent number
10,348,262
Issue date
Jul 9, 2019
Skyworks Solutions, Inc.
Junhyung Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
V-band digital control bandpass amplifier
Patent number
10,348,263
Issue date
Jul 9, 2019
I-Q Analog Corporation
Kenneth Martin
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Variable gain amplifier, correction method and receiving device
Patent number
10,312,877
Issue date
Jun 4, 2019
Renesas Electronics Corporation
Noriaki Matsuno
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Radio-frequency transceiver front-end circuit
Patent number
10,291,282
Issue date
May 14, 2019
National Chi Nan University
Yo-Sheng Lin
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Amplifier with improved return loss and mismatch over gain modes
Patent number
10,284,160
Issue date
May 7, 2019
Skyworks Solutions, Inc.
Junhyung Lee
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Shift control circuit and wireless device
Patent number
10,256,772
Issue date
Apr 9, 2019
Icom Incorporated
Yasuo Ueno
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Shift control circuit and wireless device
Patent number
10,165,241
Issue date
Dec 25, 2018
Icom Incorporated
Yasuo Ueno
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Frequency selective low noise amplifier circuit
Patent number
10,164,578
Issue date
Dec 25, 2018
Qorvo US, Inc.
Marcus Granger-Jones
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Broadcast receiver and control method thereof
Patent number
10,153,855
Issue date
Dec 11, 2018
Samsung Electronics Co., Ltd.
Dong-jin Park
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Variable gain circuit and tuner system provided with same
Patent number
9,673,769
Issue date
Jun 6, 2017
SOCIONEXT INC.
Takafumi Nasu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Amplifier, driving method for amplifier, and electronic circuit system
Patent number
9,543,909
Issue date
Jan 10, 2017
Sony Corporation
Katsuaki Takahashi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Radio frequency signal gain control
Patent number
9,209,768
Issue date
Dec 8, 2015
SiTune Corporation
Saeid Mehrmanesh
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Transimpedance amplifier (TIA) circuit and method
Patent number
9,030,263
Issue date
May 12, 2015
Avago Technologies General IP (Singapore) Pte. Ltd.
Michael Robinson
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Electronic circuit with unit for attenuating at least one input sig...
Patent number
9,007,127
Issue date
Apr 14, 2015
EM Microelectronic-Marin SA
Armin Tajalli
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Radio frequency signal gain control
Patent number
8,576,008
Issue date
Nov 5, 2013
SiTune Corporation
Saeid Mehrmanesh
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Method and system for low noise amplifier (LNA) gain adjustment thr...
Patent number
8,301,097
Issue date
Oct 30, 2012
Broadcom Corporation
Hooman Darabi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Linear voltage controlled variable attenuator with linear DB/V gain...
Patent number
8,131,241
Issue date
Mar 6, 2012
FREESCALE SEMICONDUCTOR, INC.
Daniel P. McCarthy
H03 - BASIC ELECTRONIC CIRCUITRY
Patents Applications
last 30 patents
Information
Patent Application
STACKED DIGITAL CURRENT STEERING AUTOMATIC GAIN CONTROL ATTENUATOR
Publication number
20240223147
Publication date
Jul 4, 2024
MOTOROLA SOLUTIONS, INC
CHONG HIN CHEE
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
METHODS RELATED TO AMPLIFICATION OF RADIO-FREQUENCY SIGNALS
Publication number
20220158599
Publication date
May 19, 2022
Skyworks Solutions, Inc.
Junhyung LEE
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
PROVIDING A CONSTANT IMPEDANCE AT AN INPUT OF A SIGNAL AMPLIFIER FO...
Publication number
20210111684
Publication date
Apr 15, 2021
Skyworks Solutions, Inc.
Junhyung LEE
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
MULTI-INPUT AMPLIFIER WITH INDIVIDUAL BYPASS PATHS
Publication number
20210111685
Publication date
Apr 15, 2021
Skyworks Solutions, Inc.
Junhyung LEE
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
AUTOMATIC GAIN CONTROL CIRCUIT OF TRANSIMPEDANCE AMPLIFIER
Publication number
20200412314
Publication date
Dec 31, 2020
XIAMEN UX HIGH-SPEED IC CO., LTD.
Shaoheng Lin
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
AMPLIFYING SIGNALS USING COMPENSATING IMPEDANCES TO IMPROVE RETURN...
Publication number
20200195212
Publication date
Jun 18, 2020
SKYWORKS SOLUTIONS, INC.
Junhyung LEE
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
VARIABLE-PHASE AMPLIFIER CIRCUITS AND DEVICES
Publication number
20200153403
Publication date
May 14, 2020
SKYWORKS SOLUTIONS, INC.
Junhyung LEE
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
RECEIVING CIRCUITS AND METHODS FOR INCREASING BANDWIDTH
Publication number
20200119956
Publication date
Apr 16, 2020
Shanghai Zhaoxin Semiconductor Co., Ltd.
ZHAOYANG SUN
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
MULTI-INPUT AMPLIFIER WITH VARIABLE GAIN FOR INDIVIDUAL INPUTS
Publication number
20200007102
Publication date
Jan 2, 2020
SKYWORKS SOLUTIONS, INC.
Junhyung LEE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
AMPLIFIER WITH SCALABLE IMPEDANCE ADJUSTMENTS OVER GAIN MODES
Publication number
20190334494
Publication date
Oct 31, 2019
SKYWORKS SOLUTIONS, INC.
Junhyung LEE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
VARIABLE GAIN AMPLIFIER, CORRECTION METHOD AND RECEIVING DEVICE
Publication number
20180091107
Publication date
Mar 29, 2018
RENESAS ELECTRONICS CORPORATION
Noriaki MATSUNO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SHIFT CONTROL CIRCUIT AND WIRELESS DEVICE
Publication number
20180091789
Publication date
Mar 29, 2018
Icom Incorporated
Yasuo Ueno
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SHIFT CONTROL CIRCUIT AND WIRELESS DEVICE
Publication number
20180091097
Publication date
Mar 29, 2018
Icom Incorporated
Yasuo Ueno
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
TRANSIMPEDANCE AMPLIFIER (TIA) CIRCUIT AND METHOD
Publication number
20140266453
Publication date
Sep 18, 2014
Avago Technologies General IP (Singapore) PTE. LTD.
Michael Robinson
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
ELECTRONIC CIRCUIT WITH UNIT FOR ATTENUATING AT LEAST ONE INPUT SIG...
Publication number
20140118069
Publication date
May 1, 2014
EM Microelectronic-Marin SA
Armin TAJALLI
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
RADIO FREQUENCY SIGNAL GAIN CONTROL
Publication number
20140103998
Publication date
Apr 17, 2014
SiTune Corporation
Saeid Mehrmanesh
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
RADIO FREQUENCY SIGNAL GAIN CONTROL
Publication number
20130120068
Publication date
May 16, 2013
SiTune Corporation
Saeid Mehrmanesh
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
SEMICONDUCTOR INTEGRATED CIRCUIT AND TUNER SYSTEM INCLUDING THE SAME
Publication number
20120139633
Publication date
Jun 7, 2012
PANASONIC CORPORATION
Takafumi Nasu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
LINEAR VOLTAGE CONTROLLED VARIABLE ATTENUATOR WITH LINEAR DB/V GAIN...
Publication number
20090143036
Publication date
Jun 4, 2009
Freescale Semiconductor, Inc.
Daniel P. McCarthy
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Receiver circuit and amplifier circuit
Publication number
20080280578
Publication date
Nov 13, 2008
SEIKO EPSON CORPORATION
Yoshihiko Nimura
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
METHOD AND SYSTEM FOR LOW NOISE AMPLIFIER (LNA) GAIN ADJUSTMENT THR...
Publication number
20080204135
Publication date
Aug 28, 2008
Hooman Darabi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
METHOD AND SYSTEM FOR LOW NOISE AMPLIFIER (LNA) GAIN ADJUSTMENT THR...
Publication number
20070164820
Publication date
Jul 19, 2007
Hooman Darabi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Linear voltage controlled variable attenuator with linear DB/V gain...
Publication number
20070072569
Publication date
Mar 29, 2007
Daniel P. McCarthy
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Automatic gain control apparatus and method in an orthogonal freque...
Publication number
20060176093
Publication date
Aug 10, 2006
SAMSUNG ELECTRONICS CO., LTD.
Yong-Chul Song
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Method and system for low noise amplifier (LNA) gain adjustment thr...
Publication number
20060091948
Publication date
May 4, 2006
Hooman Darabi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Method and system for low noise amplifier (LNA) and power amplifier...
Publication number
20060091957
Publication date
May 4, 2006
Hooman Darabi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Receiving circuit
Publication number
20050064841
Publication date
Mar 24, 2005
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
Naoki Okamoto
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
High frequency variable gain amplification device, control device,...
Publication number
20050020227
Publication date
Jan 27, 2005
Masahiro Kumagawa
H03 - BASIC ELECTRONIC CIRCUITRY