piclist 1998\10\03\123939a >
Thread: Mist maker
www.piclist.com/techref/index.htm?key=mist+maker
picon face BY : Morgan Olsson email (remove spam text)



At 19:02 1998-10-03 +0000, you wrote:
...
>Of course if the power is not enough a simple
>resonator can be used to raise the local field strength as required (as in
>Morgan's tube). In this case the assembly needs to be tuned mechanically
>for resonance.
>
>Peter

Actually, the piezo was connected as the resonating part of the oscillator
(through a transformer to increase voltage).
So, no tuning was needed, just some start-up and power optimization.
If I remember correct (it was 15 years ago), the original design was based
on the simple two-transistor classic bistable design, with the primary
transformer winding connected between the collectors.
/Morgan
/  Morgan Olsson, MORGANS REGLERTEKNIK, SE-277 35 KIVIK, SWEDEN \
\  EraseMEmrtSTOPspamspamSTOPspaminame.com     ph +46(0)414 70741     fax +46(0)414 70331 /

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