Showing posts with label transistor. Show all posts
Showing posts with label transistor. Show all posts
5 Feb 2010
XBM80-2 video and PCB (draft)
A short video about the XBM80-2 80m CW micro-transceiver. This is built "ugly style" on a piece of copper clad board. It will get put in a box soon! I've also been having a go at a PCB (just 1 inch square - 25mm x 25mm).
17 Oct 2009
The first transistor - read Shockley's lab notes
Take a look at William Shockley's hand written lab notes at Bell Labs when he created the first point contact transistor back in December 1947. Little did he know then what this would lead to in the next 60 years. Amazingly the patent wasn't filed until 1951. Who actually invented the first transistor is debated and was the result of separate discoveries and hard work by many. This is often the case in science.
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