On Aug 3, 2006, at 11:24 PM, Steve Thompson wrote:
>
>
> Will Matney wrote:
>> Bill,
>>
>> My Heath HD1250, I think's the model, uses a FET. Since it has a
>> gate,
>> one could say it's a gate dip oscillator or GDO : )
> Ahh - But does it need to monitor the dip in gate current to
> deserve the
> name? I have one that uses dual gate MOSFETs, so there's no gate
> current. The detector monitors the supply current to the oscillator. I
> suspect that looking for a dip in grid current makes for a much more
> sensitive instrument - probably more so than watching gate current
> in a
> jfet.
The term dipmeter works in all cases.
>
> Steve
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R L MEASURES, AG6K. 805-386-3734
r@somis.org
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