Re: diff between FET, JFET and MOSFET

From: Kevin Aylward (salesEXTRACT_at_anasoft.co.uk)
Date: 09/26/04 

Date: Sun, 26 Sep 2004 06:22:48 GMT

John Popelish wrote:
> anonymous wrote:
>>
>> I get the naming difference - what are the different uses for each?
>> IE why would one use one vs another?
>
> Fet is field effect transistor, the generic name for a gain device
> based on the electrostatic modulation of conductivity in the channel
> between source and drain.
>
> JFET is a junction fet. The isolation between gate and channel is a
> reverse biased PN junction. These are depletion only devices
> (normally on, turned off by gate bias voltage).

Usually, but not only. There are a few exceptions:-)

Kevin Aylward
salesEXTRACT@anasoft.co.uk
http://www.anasoft.co.uk
SuperSpice, a very affordable Mixed-Mode
Windows Simulator with Schematic Capture,
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