[sdiy] uA726, heated pairs (slightly OT)

[john mahoney]

> > > ... but why the heck do you need a thermostated matched pair in a
> > > missile?  I really found that kind of bizarre.

> Yes, but how did they synthesize that cracking sound they make when they
go
> off into the air?
>
> Cheers,
> Magnus - who also wonders how come laser-canons can make sounds through
vacuum

The cracking sound? It starts with a noise generator (a really loud one!);
the envelope has fast attack and slow decay; there's very little
filtering...
--
john