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From: Bill Sloman <bill.sloman@ieee.org>
Newsgroups: sci.electronics.design
Subject: Re: About TIAs
Date: Sat, 28 Dec 2024 14:58:08 +1100
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On 28/12/2024 6:01 am, john larkin wrote:
> On Fri, 27 Dec 2024 18:16:44 +0000, Cursitor Doom <cd@notformail.com>
> wrote:
> 
>> On Fri, 27 Dec 2024 08:12:23 -0800, john larkin <JL@gct.com> wrote:
>>
>>> On Fri, 27 Dec 2024 13:45:15 GMT, Jan Panteltje <alien@comet.invalid>
>>> wrote:
>>>
>>>> https://www.electronicdesign.com/technologies/analog/article/55250719/phlux-technology-tailoring-the-design-of-transimpedance-amplifiers-to-infrared-sensor-apps-part-2
>>>>
>>>> I just drive the photo diode directly into the base of an NPN .....
>>>> (ducks).
>>>
>>> I just drive it into the emitter of an NPN. That's my Tough TIA
>>> circuit.
>>
>> John, ISTR we made a deal about not feeding the trolls?
> 
> His post was reasonable and on-topic, and he didn't insult anyone, and
> TIAs are interesting.
> 
> Transistor betas are all over the place, but alphas are very
> predictable.

More to the point, Cursitor Doom *is* an anonymous troll, and any 
"agreement" with him exists only in his fertile imagination.

-- 
Bill Sloman, Sydney