Re: How would one use NPN transistors only?
From: Ian Bell (itb_at_yahoo.com)
Date: 06/08/04
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Date: Tue, 08 Jun 2004 23:03:55 +0100
MikeM wrote:
> B wrote:
>
>> All:
>>
>> I am familiar with the typical amplifier using NPN, and PNP
>> transistors. It just makes good common sense, even to lay people like
>> me.
>>
>> What about amplifiers that use ONLY NPN transistors? How would that
>> work? It may be elementary, but when I am trying to theorize that, it
>> just doesn't make sense to me.
>>
>> There are a few people now building amplifiers with only NPN
>> transistors, and I understand the advantages, but I don't understand
>> how they make it work.
>
> How did they manage when all they had is tubes?
> Tubes are like NPNs; there were no PNP tubes...
>
> MikeM
Same as when all they had was PNPs - they used transformers.
Ian
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