A close-up of the circuit board. The relatively
small number of components is a giveaway to the ingenious simplicity
of Theremin's basic design. The main problem for amateur builders
like me is the inductance coils, which are clearly visible at
either end of the board. The blue and white info panel at top
right indicates that in the end I took the easy solution by going
for a Big Briar kit.
(click on the image to return to the main