Senior RF engineer (Contract)

Job summary

Design, implement, and validate a flexible, wideband, high-dynamic-range RF transceiver front end and its clock distribution network using commercial off-the-shelf components, interfacing with an FPGA-based digital system. Communicate design progress, challenges, and updates to the broader team.

Job details

We are looking for an engineer to design, implement, and validate a flexible, wideband (greater than 6GHz), high dynamic range (more than 60dB) transceiver RF front end (amplifiers, attenuators, up/downconversion, ADC/DAC) and corresponding clock distribution network (using commercial off the shelf components) to interface with a digital system (FPGA), while effectively communicating the design, progress, challenges, and updates to a broader team. Mandatory Skills Experience in all of the following areas: High Frequency (>20GHz) RF front end design Experience designing analog interfaces to high speed ADCs and DACs (>325MSPS) End-to-end experience with design and manufacturing of RF boards (schematic capture, layout, initial bring up) Working knowledge of C or C++ Minimum Skills Experience in at least three of the following areas: Transistor based LNA Design (<1.5dB) Wideband (DC-6GHz+) RF front end design Designing wideband matching networks (>2GHz BW) Designing wideband RF networks for RF/LO synthesizers (100MHz-6GHz+) Use of network analyzers to determine phase noise issues. Characterization and optimization of analog front end design Design of phase coherent clock distribution networks supporting >8 end devices Optional Skills The following skills are desired but not necessarily required for the position: Thermal management and passive cooling Familiarity with beam forming techniques Familiarity with phased arrays and their RF and analog implementation Knowledge of clock distribution and timing with JESD204 standard Experience designing low jitter (under 1 picosecond) clock distribution to digital and radio devices Experience designing low noise power systems (switching/linear regulators) Familiarity with antenna design and selection criteria for wideband or multiband applications Experience in development from design to manufacturing Experience with open source software NOTE: This is a contractor position for 6 months with option for +6 month extension.

What you’ll do

Design, implement, and validate a flexible, wideband, high-dynamic-range RF transceiver front end and its clock distribution network using commercial off-the-shelf components, interfacing with an FPGA-based digital system. Communicate design progress, challenges, and updates to the broader team.

Requirements

Required experience includes high-frequency RF front-end design above 20 GHz, analog interfaces to high-speed ADCs and DACs above 325 MSPS, and end-to-end RF board design and manufacturing, including schematic capture, layout, and initial bring-up. Candidates must also have working knowledge of C or C++ and experience in at least three of the listed minimum-skill areas.

Listed skills

• Software · Preferred
• Organization · Preferred
• Attention to detail · Preferred
• management · Preferred
• Development · Preferred
• Switching · Preferred
• C++ · Preferred
• Flexible · Preferred

Other relevant skills

Identified from the job description. Confirm important requirements above.

• High-Frequency RF Front-End Design
• High-Speed ADC and DAC Interfaces
• RF Board Design and Manufacturing
• Schematic Capture
• PCB Layout
• RF Board Bring-Up
• C or C++
• Wideband RF Design
• Wideband Matching Networks
• RF/LO Synthesizers
• Network Analyzer Use
• Analog Front-End Characterization
• Phase-Coherent Clock Distribution
• FPGA Interfaces
• RF Transceiver Design

Job areas

• Engineering
• Technology
• Manufacturing

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