New design required?

Project behind schedule?

Expertise needed?

Customer problems?

Field assistance necessary?

Production confused?

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

voice                 973-728-0344

fax                 973-728-1353

robert.@.rdwalker.com