Tuesday, June 23, 2009
Updated FM bug
Click image to zoom in
What a little beauty!
Upgraded so that it runs off a single 9V battery. The lower left-hand corner of the photo contains the transistor amplifier circuitry, and the top-right corner contains the RF stage which is pretty much the same as version 1.
Powerful enough to transmit the music coming out of my Mac in the cellar laboratory up two floors to the first floor (haven't tried it in the attic gym yet!)