gEDA-user: challenge board ALMOST works

[Dan McMahill]

al davis wrote:
> On Tuesday 12 September 2006 22:32, Dan McMahill wrote:
>>  Some TV's used injection locking
>> for some of the sync circuits.
> 
> All of them, back in the tube days.
> 

Oh, and I forgot one which John should appreciate.  Isn't the pitch 
oscillator on a theremin usually tuned to injection lock when you move 
away from the pitch antenna?  I could be wrong about this one.

-Dan