Douglas Palmer Email & Phone Number

Lawrence, Kansas

Lawrence, Kansas

Designing 2 way radios for Public Safety Communications https://www.relm.com

Plantation, Florida

• Designed 200 Watt 4-port PIN Diode antenna switch for use in next generation multi-band radio.• Designed Transmitter Output Network (antenna switch, detector, harmonic filter) for APX 700-800Mhz mobile radio.• Performed technical evaluations of new components such as LDMOS power amplifier devices, digital / analog attenuators, and receiver mixers.• Performed certification and qualification testing on multiple radio bands of the APX Mobile.• Provided engineering support for APX radio factory builds in Reynosa, Mexico.• Served as engineering interface with Penang, Malaysia team to achieve ship acceptance of 900Mhz XTL mobile radio.

Plantation, Florida

Attained ship acceptance of Professional Portable Lowband radio (30-50MHz):• Designed Transmitter Harmonic Filter• Worked with Integrated Circuit (IC) development team to optimize Power Control IC.• Designed wideband helical antenna for Lowband portable radio.• Provided extensive on-site support in Penang, Malaysia manufacturing facility, helping to resolve build and test station issues, and analyzing failures during radio accelerated life testing. Key contributor on Professional Portable Customer Support Team, analyzing customer field returns and implementing corrective actions, resulting in elimination of numerous defects and reduced product warranty costs. Closely interfaced with engineering and quality teams from Chicago, Malaysia, and Germany, providing rapid response in addressing field issues. Presented at monthly quality reviews with corporate headquarters, providing updates on status of open issues.Simplified and consolidated Professional Portable Radio detailed service manuals by collaborating with Technical Publications team.

Plantation, Florida

Key technical member of Jedi Cost Reduction team:• Collaborative effort between Engineering and Factory teams to significantly reduce cost of VHF, UHF, and 800Mhz Jedi series portable radios.• Redesigned Receiver Front End Amplifier and Mixer to lower cost of radio by several dollars. • Prevented factory shutdown by redesigning VHF and UHF Voltage Controlled Oscillators (VCOs) due to discontinuation of previously used varactor diode series.