On Wed, 20 Feb 2002, Jinx wrote:

> > wien bridge fet stabilised oscillator.
> > This means: one operational amplifier, one simetrical rc
> > network, one diode and one fet ( also some extra resistors )
>
> How about the WBO design with an NTC thermistor
> as the feedback resistor ?
>
  It works, but with lazy stabilisation. It works also with 5mA bulbs
with the same problem. However if less than 1Hz is required could be
a good way to do it.

btw, Jo, is not the middle of the night or early in the morning in NZ ?

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