Work Projects

• Digital Attenuator

For WINLAB I designed a network controlled digital attenuator network. It consists of a Rabbit RCM3700 microprocessor programmed with a small web server and uses the digital I/O pins to control 4 mini-circuit digital step attenuators. the whole thing can be run from the GUI web page, or by entering commands right into the web address bar

• PCI Riser

This was a really simple design for a PCI 90 degree riser for some computers. It needed to be a specific height and also needed a small voltage regulator on there to power the card to be plugged into it of standby power.

• Current monitor

This has been my most difficult project at work thus far. It it a current monitoring board for the Rutgers institute of marine and costal sciences department slocum gliders. the project is being run by the computer science department as they are developing better control methods for these gliders, and the goal of the this board is to give them an idea the power consumption of different systems in the glider based on depth and other factors. Right now the board is in testing and will soon be undergoing a second revision. It uses a PIC microprocessor to handle the A/D and communication functions and a variety of analog current sensors.

The board I helped design is in that yellow glider. It flew in the ocean for about 2 weeks, then was picked up. It collected several million data points in that time.