Even magnetic amplifiers and tunnel diodes......
[EMAIL PROTECTED] wrote:
> At 10/24/2007 19:26, you wrote:
>
>
>> I would consider anything that uses a semi-condutor material to be
>> active, Silicon and Germanium transistors included.
>>
>
> According to Wikipedia, a passive device is a device that is not capable of
> power gain. If it is capable of power gain, it is an active device.
>
> If needed, I can probably dig up some definition in an IEEE reference that
> essentially says the same thing.
>
> Bob NO6B
>
>