Re: FETs Vesus Bipolars, Why More Efficient?

From: Kevin Aylward (salesEXTRACT_at_anasoft.co.uk)
Date: 11/16/04


Date: Tue, 16 Nov 2004 10:55:49 GMT

Rich The Philosophizer wrote:
> On Tue, 16 Nov 2004 07:39:39 +0000, Kevin Aylward wrote:
>
>> Dr. Slick wrote:
>>> "Kevin Aylward" <salesEXTRACT@anasoft.co.uk> wrote in message
>>> news:<pSYld.15339$P7.10043@fe2.news.blueyonder.co.uk>...
>>>>>
>>>>> Read any basic electrons textbook, and they
>>>>> will talk about Beta current gain:
>>>>
>>>> You would be better going to http://www.anasoft.co.uk/EE/index.html
>>>>
>>>
>>>
>>> Wrong.
>>
>> Nope.
>>
>>> Your own site talks about "hfe or beta" which
>>> is the small signal current gain. And the equations
>>> at the end include hfe. Finding it hard to eliminate, eh?
>>
>> What part of "first order model" do you have trouble with?
>>
>> Hfe is only added as a correction to 1st order sums. It is not
>> fundamental to how a transistor works.
>>
>> If you actually *understood* the derivations you would understand why
>> the transistor is voltage controlled. The voltage controlled nature
>> is the starting point to which one refines from.
>
> Oy! That is _such_ a meme!
>
>> The papers clearly
>> illustrate that I know exactly why and when hfe is applicable.
>
> The papers clearly illustrate that you know exactly squat.
> <Gawd, it felt good to type that!>

Ignorance is bliss I see. Oh dear. Get real Rich. Your pissing in the
wind. It never ceases to amaze me about those who are too ignorant to
know how ignorant they are.

Kevin Aylward
salesEXTRACT@anasoft.co.uk
http://www.anasoft.co.uk
SuperSpice, a very affordable Mixed-Mode
Windows Simulator with Schematic Capture,
Waveform Display, FFT's and Filter Design.


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