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Huan Zhao, 604817 Sheboygan Ave UNIT 106, Madison, WI 53705

Known as:
Huan Zhau
Related to:
Dong Liu 62 Jikai Zhao Li Yan 66

Huan Zhao Phones & Addresses

Centreville, VA   

4817 Sheboygan Ave, Madison, WI 53705   

Alhambra, CA   

2204 14Th Ave S, Seattle, WA 98144   

1205 Molino Ave, Long Beach, CA 90804    562-6210762   

Hunt Valley, MD   

San Mateo, CA   

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Mentions for Huan Zhao

Huan Zhao resumes & CV records

Resumes

Huan Zhao Photo 28

Internal Auditor At International Paper

Position:
Internal Auditor at International Paper
Location:
Shanghai City, China
Industry:
Paper & Forest Products
Work:
International Paper - Shanghai since Dec 2011
Internal Auditor Deloitte Touche Tohmatsu - Shanghai Sep 2010 - Oct 2011
Associate Auditor
Education:
University of Illinois at Urbana-Champaign 2009 - 2010
Master, Accountancy University of Illinois at Urbana-Champaign 2008 - 2009
Master, Finance Nanjing University 2003 - 2007
Bachelor, Finance
Huan Zhao Photo 29

Laboratory Technician

Work:

Laboratory Technician
Huan Zhao Photo 30

Huan Zhao

Huan Zhao Photo 31

Director Of Engineering At Rfaxis, Inc.

Position:
Director of Engineering at RFaxis, Inc.
Location:
Irvine, California
Industry:
Semiconductors
Work:
RFaxis, Inc. - Irvine, CA since May 2011
Director of Engineering RFMD - Dallas/Fort Worth Area Mar 2010 - May 2011
Sr. RFIC Design Engineer VT Silicon, Inc. May 2009 - Mar 2010
Senior RFIC Design Engineer Anadigics Jun 2006 - Apr 2009
Member of Technical Staff (RFIC design) Packard Laboratory, Lehigh University Sep 2005 - May 2006
Research Assistant Compound Semiconductor Tech Lab, Lehigh Univ. Sep 2004 - Aug 2005
Research Assistant AIC Microsystems, Co. Ltd Sep 2003 - May 2004
Intern in system software developer
Education:
Lehigh University 2004 - 2006
M.S., Electrical Engineering Shanghai Jiao Tong University 2000 - 2004
B.S., Electrical Engineering Shanghai High School
Skills:
IC, Agilent ADS, Circuit Design, RF, CMOS, Analog Circuit Design, Mixed Signal, Cadence Virtuoso, Semiconductors, LNA, PLL, Network Analyzer, Analog, Spectrum Analyzer, Spectre
Interests:
operating system programming using C/assembly. classical piano playing. hiking.
Honor & Awards:
Invited Talk on "Highly Linear and Efficient RF Amplifiers for WiMAX Subscriber Equipment", Beijing, China, 2008 Fairchild Fellowship, Lehigh University, 2005 "Agilent Cup National Undergraduate Electronic Contest", China 2004 "Hua-wei Cup Electronic Innovation Challenge", Shanghai, China, 2002 "Senior software engineer", Department of Information Industry, China, 2002 First prize, National Physics Olympic, China, 1999
Languages:
Chinese
Huan Zhao Photo 32

Huan Zhao

Location:
United States
Huan Zhao Photo 33

Huan Zhao

Location:
United States

Publications & IP owners

Us Patents

Coupled Resonator On-Die Filters For Wifi Applications

US Patent:
2020007, Mar 5, 2020
Filed:
Nov 11, 2019
Appl. No.:
16/679625
Inventors:
- Woburn MA, US
Lisette L. Zhang - Irvine CA, US
Huan Zhao - Irvine CA, US
Lothar Musiol - Irvine CA, US
International Classification:
H03H 7/09
H03H 7/01
Abstract:
A radio frequency (RF) filter circuit for rejecting one or more spurious components of an input signal has a first resonator circuit including a first capacitor and a first coupled inductor pair of a first inductor and a second inductor, and a second resonator circuit with a second capacitor and a second coupled inductor pair of a third inductor and a fourth inductor. First and second resonator coupling capacitors are connected to the first resonator circuit and the second resonator circuit. A first port and a second port are connected to the first resonator circuit and the second resonator, with the filtered signal of the input signal passed through both the first resonator circuit and the second resonator circuit being output.

Coupled Resonator On-Die Filters For Wifi Applications

US Patent:
2018010, Apr 12, 2018
Filed:
Oct 6, 2017
Appl. No.:
15/726953
Inventors:
- Woburn MA, US
Lisette L. Zhang - Irvine CA, US
Huan Zhao - Irvine CA, US
Lothar Musiol - Irvine CA, US
International Classification:
H03H 7/09
H03H 7/01
Abstract:
A radio frequency (RF) filter circuit for rejecting one or more spurious components of an input signal has a first resonator circuit including a first capacitor and a first coupled inductor pair of a first inductor and a second inductor, and a second resonator circuit with a second capacitor and a second coupled inductor pair of a third inductor and a fourth inductor. First and second resonator coupling capacitors are connected to the first resonator circuit and the second resonator circuit. A first port and a second port are connected to the first resonator circuit and the second resonator, with the filtered signal of the input signal passed through both the first resonator circuit and the second resonator circuit being output.

Power Amplifier With Input Power Protection Circuits

US Patent:
2017026, Sep 14, 2017
Filed:
Jul 9, 2014
Appl. No.:
15/516874
Inventors:
Oleksandr Gorbachov - Irvine CA, US
Huan Zhao - Irvine CA, US
Lisette L. Zhang - Irvine CA, US
Lothar Musiol - Irvine CA, US
Yongxi Qian - Irvine CA, US
International Classification:
H03F 1/52
H03G 3/30
H03F 3/24
H03F 1/56
H03F 3/195
Abstract:
An RF power amplifier circuit and input power limiter circuits are disclosed. A power detector generates a voltage output proportional to a power level of an input signal. There is a directional coupler with a first port connected to a transmit signal input, a second port connected to the input matching network, and a third port connected to the power detector. A first power amplifier stage with an input is connected to the input matching network and an output is connected to the transmit signal output. A control circuit connected to the power detector generates a gain reduction signal based upon a comparison of the voltage output from the power detector to predefined voltage levels corresponding to specific power levels of the input signal. Overall gain of the RF power amplifier circuit is reduced based upon the gain reduction signal that adjusts the configurations of the circuit components.

Single-Pole-Single-Throw (Spst) Switch And Its Derivative Single-Pole-Double-Throw (Spdt) And Single-Pole-Multiple-Throw (Spmt) Switches

US Patent:
2017004, Feb 9, 2017
Filed:
Aug 5, 2016
Appl. No.:
15/230366
Inventors:
Huan Zhao - Irvine CA, US
International Classification:
H03K 17/687
Abstract:
A Single-Pole-Single-Throw (SPST) switch for RF application is disclosed that can include a semiconductor MOSFET transistor T, wherein its drain terminal can be connected to a resistor R and capacitor C It can have a source terminal connected to a resistor R and capacitor C a gate terminal connected to resistor R a body connected by resistor R to GND, and the body can be connected to the anode of a diode DE The Cathode of diode D can be connected to a power supply Vdd through a resistor R The Cathode of diode D can also be connected to the cathode of another diode D The anode of D can be connected to GND through resistor R Capacitor C can be connected to an I/O port P and capacitor C can be connected to an I/O port P Inductor L can connect to ports P and P while inductor L can connect the source terminal and drain terminal of MOSPET T. This disclosure also provides a Single-Pole-Double-Throw (SPDT) switch and Single-Pole-Multiple-Throw (SPMT) switch based on the proposed SPST concept. The SPST disclosed can offer higher isolation and higher linearity to the transmit (TX) arm of the Radio-Frequency Front-End-Module (RF FEM), while maintaining relatively good performance in the receive (RX) arm of the RF FEM.

Power Amplifier Architectures With Input Power Protection Circuits

US Patent:
2015001, Jan 15, 2015
Filed:
Jul 9, 2014
Appl. No.:
14/327365
Inventors:
- Irvine CA, US
HUAN ZHAO - IRVINE CA, US
LISETTE L. ZHANG - IRVINE CA, US
LOTHAR MUSIOL - IRVINE CA, US
YONGXI QIAN - IRVINE CA, US
Assignee:
RFAXIS, INC. - IRVINE CA
International Classification:
H03F 3/19
H03F 1/02
H03F 3/21
H03F 1/52
US Classification:
330291
Abstract:
An RF power amplifier circuit and input power limiter circuits are disclosed. A power detector generates a voltage output proportional to a power level of an input signal. There is a directional coupler with a first port connected to a transmit signal input, a second port connected to the input matching network, and a third port connected to the power detector. A first power amplifier stage with an input is connected to the input matching network and an output is connected to the transmit signal output. A control circuit connected to the power detector generates a gain reduction signal based upon a comparison of the voltage output from the power detector to predefined voltage levels corresponding to specific power levels of the input signal. Overall gain of the RF power amplifier circuit is reduced based upon the gain reduction signal that adjusts the configurations of the circuit components.

Coupled-Resonator On-Die Filters For Wifi Applications

US Patent:
2014032, Nov 6, 2014
Filed:
May 2, 2014
Appl. No.:
14/268199
Inventors:
- Irvine CA, US
Lisette L. Zhang - Irvine CA, US
Huan Zhao - Irvine CA, US
Lothar Musiol - Irvine CA, US
Assignee:
RFAXIS, INC. - Irvine CA
International Classification:
H03H 7/01
US Classification:
333168
Abstract:
A radio frequency (RF) filter circuit for rejecting one or more spurious components of an input signal has a first resonator circuit including a first capacitor and a first coupled inductor pair of a first inductor and a second inductor, and a second resonator circuit with a second capacitor and a second coupled inductor pair of a third inductor and a fourth inductor. First and second resonator coupling capacitors are connected to the first resonator circuit and the second resonator circuit. A first port and a second port are connected to the first resonator circuit and the second resonator, with the filtered signal of the input signal passed through both the first resonator circuit and the second resonator circuit being output.

Possible Relatives

Dayu C Zhao  Daisy Zhao  Danan Q Zhao  Ding J Zhao  Dong Zhao  Dongsheng Zhao  Elaine Zhao  Huan M Le  Huan A Li  Huan D Luu 

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