CRAIG D. BOHREN

**** ****** *****

Mesquite, Texas 75181

( Cell 972-***-**** ( acpp6r@r.postjobfree.com

PROFILE

A U.S. Army Veteran who is a hands-on results-oriented engineer with

experience in system engineering, system testing, and application

engineering. Experience with RF/analog system design, system integration,

circuit design, WLAN 802.11abgn circuit design and test software

integration. Both a team leader & contributor with a customer focused

attitude, able to bring innovative technical contributions resulting in

successful product developments with customer satisfaction.

TECHNICAL SKILLS

Key Qualification

. RF Circuit Design Experience

o PCB Layout of LNA's, PA's, Oscillators, Frequency synthesizers,

Radio Systems, RF Layout, Digital Circuit layout, RF component

selection

. RF System Planning Experience

o AM receivers, FM receivers, BPSK receivers

o Cascaded Noise Figure calculation and Noise Figure measurement

experience

o Receiver sensitivity, dynamic range measurement and calculation

experience

o Antenna system measurement

o Intermodulation distortion measurement and calculation

experience

o IP3 measurement and calculation experience

o Creation of System frequency plan

o FM discriminator experience (FM demodulation)

o PSK demodulation experience (Costa's BPSK demodulator)

o WLAN 802.11 abgn

o Bluetooth

. Frequency Synthesizer Phase Lock Loop Design and Test Experience

o Design and test of PLL Loop filters both Active and Passive

filters

. Transmitter Experience

o Testing of Power Amplifiers in Linear and Pulse mode At VHF,

UHF, microwave frequencies

. Design of Filter Circuits

o Active Filter circuits Lowpass and Bandpass Filters

o Passive Filter circuits Lowpass and Bandpass

. Design of Power Supply Circuits

o Linear and Switching power supply circuits

. FCC qualification for radio products

o Completed. FCC qualification for two RFID radio products

. Power amplifier matching and characterization for GSM and PCS 1900

Communication standards

o Characterized with IC design engineers IC power amplifiers for

GSM and PCS.

o Tests included pulse power measurement, PAE, IP3, and 1 dB

compression

. Wrote application notes for customer RF transmitter and receiver

designs.

o Published application note "Designing with TRF6900 Single-Chip

RF Transceiver" (available at www.ti.com).

o Wrote Radio system and board level test procedures

. Soldering experience with PCB components as small as 0201 size.

EDUCATION

Bachelor of Science - Electrical Engineering

University of Texas, Arlington, Texas

PROFESSIONAL LICENSE: Associate CET, 1992.

FCC Amateur Radio Technician Class License KG5EHF, Oct. 2014

COMPUTER/TECHNOLOGY BACKGROUND

Electronic Test Equipment: Network Analyzer, Spectrum Analyzer,

Oscilloscope, Vector Signal Analyzers, WLAN test, Bluetooth test, Vector

Signal Generators, Radio system tests

. Hardware/Software: Agilent ADS, Pspice, Orcad, Mentor Graphics WG2000,

Pads, Allegro, Visio, Word, Excel, MathCad, Zuken PCB software

. Additional Training: DSP with out Tears, C++, Besser Short Range

Wireless Networks, Analog Integrated Circuits, Signal Integrity for

High Speed Digital Design, PSpice, MathCad, VOLTE seminar,

PROFESSIONAL EXPERIENCE

Contract RF Characterization Engineer

Texas Instruments Inc. Dallas, Texas June

2014 - Sept 2014

RF characterization of mixer, amplifier IC's for

Gain, Noise Figure, IP3, IP2, 1 dB compression,

Spurious, phase noise, isolation, current, S parameters.

RF Designer

BlackBerry (RIM), Irving, Texas

Jan. 2013 - Nov. 2013

Design and Test of WLAN 802.11bgn / Bluetooth System

Selection and matching of RF Bandpass Filter

PCB Layout approval of WLAN/Bluetooth Radio

Integration of test software to WLAN radio API commands

RF Engineer

April 2006 - Dec. 2012

Independent Contractor

Texas Instruments Inc., Dallas, Texas

Test DVB-H IC to MBRAI specification experience. RF test of DVB-H receiver

IC. RF test of WLAN (802.11abgn) and Bluetooth IC, WL4, WL6, WL7 WL8. 2nd

level customer support for WLAN, Bluetooth and GPS IC solutions.

Responsible for all customer Schematic and hardware PCB layout reviews.

Write application notes on WLAN test solutions and PCB layout guidelines.

FCC Part 15 pretest. RF / Analog system design.

RF ENGINEER 2005 - April

2006

Independent Contractor

Motorola, INC., Fort Worth, Texas

RF circuit design and characterization experience. Circuit design, Test and

Characterization of WIMAX radio system at 3.5 GHz. Test of Radio System

Transmitter and Receiver.

RF Engineer

1998 - 2005

Texas Instruments Inc.,Dallas / Plano, Texas

RF circuit design and characterization experience. Test and characterize

circuits for FCC Part 15 acceptance for RFID systems. Training of junior

engineers/technicians in PCB layout techniques, test equipment. Handled

power amplifier matching and characterization for GSM and PCS 1900. Wrote

application notes for customer RF transmitter and receiver designs, as well

as test plans for RF evaluation boards. Designed PLL loop filters (active

and passive) for synthesizer IC's. Analog filter design LC and Active

filter. Designed RF IC test/evaluation PCB boards and demo box circuits.

Have written test procedures for demo boxes. Circuit design for RFID

Hardware Systems/PCB Layout.

o Designed RS 232/RS485 Interface Circuitry.

o Designed power supply boost converter for USB applications.

. Characterization and FCC type testing for RFID Systems.

o Antenna system measurements for FCC qualification.

o Published user guide for TRF6900 and TRF4900.

o Published application note "Designing with TRF6900 Single-Chip

RF Transceiver"

. Design RF IC test/evaluation PCB boards.

o Designed test evaluation boards for IC Power amplifiers.

o Designed test evaluation boards for TRF6900 transceiver.

o Designed test evaluation boards for Active filter for Bluetooth

application.

. Troubleshoot and redesign customer RF system boards.

o Evaluated customer PCB artwork, using TI IC's, and suggested

corrections.

o Designed test evaluation boards for IC Power amplifiers.

o Characterized Bluetooth Radio transceiver IC.

Senior RF Engineering Technician 1992-

1997

Andrew Wireless Products Group, Richardson, Texas

Worked on Characterization and system integration of Spread Spectrum Radio

(CDMA) systems. Frequency synthesizer design experience (PLL) active and

passive loop filters. PCB layout of RF receiver IC and Power Amplifier

breadboard PCB with Pads PCB software. Approved system RF PCB layouts

completed by PCB designer. Wrote PCB and radio system level test plans.

Provided receiver and power amp matching circuit design. Held management

responsibility for other project technicians. Designed and built test

fixtures for board and system test.

Contact this candidate