Allen Xiao

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**** ****** **, ******, ** 92880, 951-***-**** (H), 909-***-**** (C) blqvw0@r.postjobfree.com

Objective:

Sr. Position for RF / Microwave, Wireless & Electronic Hardware

Education:

MSEE, Microwave Engineering, California St. U, Northridge, May, 1991.

BSEE, RF Communication, South China Tech U, July, 1985.

Background Highlights:

Extensive education & understanding of RF/Electromagnetic principles, antenna theory, electronic circuitry, about 20 years of experience on RF/Micro module & sub-system, mobile/wireless devices, Bluetooth, DoD & commercial products, access to broad freq range from base band/audio, UHF, GSM, to C band and 36GHz, detail hands on design for RF/microwave transceivers, VCO’s, PLL synthesizer, linear/un-linear PA’s, LNA, gone through multiple complete design cycles, including create product spec, device selection, prototyping, layout, in house/out-source PCB, testing, modify/improving design to product release, verity measurement of spectrum, NW analyzer, S-parameters, antenna patterns, Rx/Tx Spec’s as well as ESD&EMC FCC regulations, highly motivated team player with minimum supervision, handle multiple projects under pressure, overseas projects for Asia market, experience work with venders like Motorola, Sonny/Ericsson, proficiency computer skills, simulation tools ADS, Microwave office, Eagleware, PSpice, Orcad, Pads, etc.

Specific Experience:

Harris RFCD, Engr Contractor, Rochester, NY, 02/2010 to 12/2010

Worked under system engineer & FPGA team designing new generation DoD products, duty include design and testing RF/Microwave Tx linear PA, mixer, PLL VCO, input/out matching NW, Rx LNA, filters, IF Amp, solving PA efficiency with dynamic ATC tech, improve power supplies for battery life, as well as carry out field test.

Solteras Wireless Com, as RF/Hardware Engineer, City of Industry, CA, 03/2004 to 04/2009.

Design cellular phone, I-Pod related voice and music supplies with wire or wireless technology, including Bluetooth head-phone, wireless speaker, hands free car-kit, in-door power line modem, familiar with product spec and customer’s need, configure product with reliable and cost effective components, design includes base-band ADC, low noise and echo canceling, unique solution minimizing RF/GSM interference with all kinds of RF devices, ESD & EMC protection for FCC standard, broad distance coverage range combining chip set with extra PA/LNA, carry out all level of product qualification test at both local and over seas facilities.

Northrop Grumman, Satellite Ground System, as project contractor, Redondo Beach, CA, 02/2003-12/2003

Development of satellite cross-link modem ground test station, design up /down link C-band sub-system, low noise and high IP3 converter, microwave filters, voltage controlled attenuator, PA’s, carry out system integrated analyzes and testing.

Harris Microwave Sys, RF engineer, Torrance, CA, 05/ 2001-09/2002.

Design wideband, high capacity microwave transceivers from 6GHz up to 38GHz for point-to-point and multi point access, major focus on IF and microwave synthesizer, design extremely low phase noise, jitter free microwave VCO’s and PLL up to 9GHz, oscillator unlinear analysis, optimizing PLL loop, prototype, multi layer board layout and integrate system evaluations, also design freq multiplexer, gain block and strip line based filters.

Vega Inc, Wireless Intercom, as wireless designer, El Monte, CA, 06/2000-04/2001.

Design high-end wireless intercom, in charge of RF portable and base station transceiver development, utilizing TV band sub-carrier from VHF to UHF for high quality voice and data transmission, design high-Q, low noise VCO and synthesizer, low power consumption transmitter and high sensitivity & dynamic range receiver, specialize in portable high density small package design, isolating signal cross talk in compact design, as well as compiling with FCC roles.

Betheltronix Inc, RFIC module, as IC support engineer, Cerritos, CA, 07/1999-05/2000

Design module board with RFIC to support development of GSM, DCS cellular and GPS sub system, design device freq from 900MHz, 1.5G to 1.8GHz, based on IC spec, design external supporting ckt includes VCO, up-converter, PA, power switch & power ramping ckt, front-end matching circuit, mixers as well as IF filter, perform time and freq domain measurement.

Telemobile Inc, Wireless Rural loop, as RF engineer, Torrance, CA, 02/1995-05/1999.

Design wireless rural loop telephone for point to point and multi-point access in area beyond cellular svc, in charge of analog and digital modulated transceivers from 60MHz to 800 MHz, project includes complete radio with freq synthesizer, VCO, freq multiplier, Class-C PA up to 100W, diplexer, antenna, low noise front-end, demodulator, specialize in solving VCO microphonics, high power amp stabilities, and solutions for all weather proved outdoor unit.

IDB COM Inc, Satellite Earth Station Engineer, Culver City, CA, 07/1991-03/1993.

Duty includes design, maintenances and operation of satellite C-Band earth station equipment, project includes complete setup and maintenance C-band up and down link devices including modulator, exciter, 2kW power amp, receiver and wave-guide circuit, perform microwave link back to back testing as well as antenna alignment.

Citizenship: USA