On 5/22/2012 12:37 PM, Tony Duell wrote:
[1] I acutally took inspiration from a circuit in a
1972 issue of
Practical Electronics yesterday. I needed a simple distinctive
noise-maker and for various reasons I didn't want ot use any ICs. The
;Hooting Owl' in the December 1972 issue was a starting point. I got the
circuit down to 4 transistors, 7 resistors, 5 cvapacitors and a transducer.
So what is a cvapacitor? It sounds like new part from back then.
-tony
Ben.