New design required?
Project behind schedule?
Field assistance necessary?
Call us for help!
Capabilities and Areas of Expertise ________________________
· analog and mixed circuit design
· FPGA logic circuits
· sensor interfacing and conditioning
· embedded controller design
· industrial process controllers and calibrators
· remote sensing and telemetry
· power distribution
· home automation
· power line protective systems
· telecommunication equipment
· production assistance
· product reviews and debugging
· complete product development services
Sample Projects ________________________
· Circuit and product design.
Logic circuits for telecom equipment: Design of complex FPGA's for telecommunication multiplexers and switches. Review, analysis and redesign of existing products.
Minimalistic sensor design: Modification of existing equipment to add extremely low-cost, simple A/D interface, constrained by lack of physical space and I/O.
Miniature climate controller for a motor coach: Preparation of project proposal. Design and construction of prototypes. Field tests to tune performance characteristics. Production documentation.
Fiberoptic switch for redundant paths: Complete design and documentation. Support of client's mechanical design department. Assistance in acceptance tests.
Intelligent modem interface: Design of microprocessor-based hardware, development and debugging of control software. Writing user instruction manual.
· Prototypes and proposals.
Metal detector / security system: Review of available design approaches. Analysis of existing equipment. Design and construction of a proof-of-concept prototype. Support of manufacturer in sales demo construction and presentation.
Chemical water treatment controller: Proposal and design outline to assist client in preparation of their production bid.
Temperature control system: Interface with client’s customers to review product requirements.
· Technical presentation and evaluation.
Performance evaluation tests: Preparation of tests objectives and schedules for various communication and instrumentation equipment. Conducting tests to aid in contract dispute resolution.
Expert witnessing: Preparation of reports and depositions regarding equipment failures.
· Product debugging.
Avionics test equipment: Review and debug of first-run prototype p.c. boards.
Microprocessor-based fire alert transceiver: Re-design of hardware, building prototype boards for software development.
· Field application and installations.
Municipal well system controls: Redesign and re-building of relay- and PLC-based water treatment plant power, controls and telemetry equipment.
Equipment controller: Design and construction of interface circuits, ladder-logic programming of embedded single-board PLC for a remote control gate operator.
Robert Walker, PE
RD Walker Engineering
electronic design services for the industry
• circuit & system design
• product development
• application assistance
750 Westbrook Road
West Milford, NJ 07480-4409