Roger G3XBM's (Mainly) Amateur Radio Blog

Simple QRP projects, 10m, 8m, 6m, 4m, FT8, 160m, WSPR, LF/MF, sub-9kHz, nanowaves and other random stuff, some not related to amateur radio.

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 ge...

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 Decemb...

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Roger G3XBM: Burwell, Cambridge, United Kingdom

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