Wednesday, August 5, 2009

Day 93

Morning
I started by going over to S9. Dennis was back at work, but he said that they were melting the rest of the week. It looks like we'll just have to get it next week. I needed to find a way to work on the choke problems. I really wanted to simulate the situation in SPICE, so I started looking for good old LT Spice. I was able to install it on a usb drive and get started. I built up a mock circuit using a voltage controlled switch as my short. The simulation showed me that it really all comes down to the L/R time constant. Make the resistance bigger, and the time to discharge the energy will be shorter. I want to come up with a clever way of doing that, but it'll take a little more thinking.

Afternoon
I got in touch with Craig Tibbs after lunch. He claims that he and one of his guys and he are going to contact me between 8:00 and 8:30 tomorrow morning. I am hoping that we can go through this quickly and get a rough estimate for my numbers. That is the final part of that project. I tried a few simulations with diodes at Tony's request, but they weren't what we needed at this point. I tried to read up on anything that was out there for decreasing that time frame, but it always came back to increasing the resistance.

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