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From: Jim Thompson on 15 May 2007 20:55
On 15 May 2007 16:36:18 -0700, "acannell(a)wwc.com" <acannell(a)wwc.com>
wrote:

>Is there a clever way to make a current amplifier which acts like a
>NPN transistor except that it has 0 Vbe? That is, with a "base"
>resistor of 10k and an input voltage of 100mV, 10uA gets amplified
>into 1mA at the "collector"? Preferably a method that does not use an
>IC's (opamps, etc..)

Smoke and mirrors make everything work ;-)

...Jim Thompson
--
| James E.Thompson, P.E. | mens |
| Analog Innovations, Inc. | et |
| Analog/Mixed-Signal ASIC's and Discrete Systems | manus |
| Phoenix, Arizona Voice:(480)460-2350 | |
| E-mail Address at Website Fax:(480)460-2142 | Brass Rat |
| http://www.analog-innovations.com | 1962 |

America: Land of the Free, Because of the Brave
From: Phil Hobbs on 15 May 2007 21:42
Jim Thompson wrote:
> On 15 May 2007 16:36:18 -0700, "acannell(a)wwc.com" <acannell(a)wwc.com>
> wrote:
>
>> Is there a clever way to make a current amplifier which acts like a
>> NPN transistor except that it has 0 Vbe? That is, with a "base"
>> resistor of 10k and an input voltage of 100mV, 10uA gets amplified
>> into 1mA at the "collector"? Preferably a method that does not use an
>> IC's (opamps, etc..)
>
> Smoke and mirrors make everything work ;-)
>
> ...Jim Thompson


_Magic_ smoke and current mirrors.

Cheers,

Phil Hobbs
From: Jim Thompson on 15 May 2007 21:50
On Tue, 15 May 2007 21:42:29 -0400, Phil Hobbs
<pcdh(a)SpamMeSenseless.pergamos.net> wrote:

>Jim Thompson wrote:
>> On 15 May 2007 16:36:18 -0700, "acannell(a)wwc.com" <acannell(a)wwc.com>
>> wrote:
>>
>>> Is there a clever way to make a current amplifier which acts like a
>>> NPN transistor except that it has 0 Vbe? That is, with a "base"
>>> resistor of 10k and an input voltage of 100mV, 10uA gets amplified
>>> into 1mA at the "collector"? Preferably a method that does not use an
>>> IC's (opamps, etc..)
>>
>> Smoke and mirrors make everything work ;-)
>>
>> ...Jim Thompson
>
>
>_Magic_ smoke and current mirrors.
>
>Cheers,
>
>Phil Hobbs

_Magic_ is _MY_ domain ;-)

...Jim Thompson
--
| James E.Thompson, P.E. | mens |
| Analog Innovations, Inc. | et |
| Analog/Mixed-Signal ASIC's and Discrete Systems | manus |
| Phoenix, Arizona Voice:(480)460-2350 | |
| E-mail Address at Website Fax:(480)460-2142 | Brass Rat |
| http://www.analog-innovations.com | 1962 |

America: Land of the Free, Because of the Brave
From: Fred Bartoli on 16 May 2007 04:05
Jim Thompson a �crit :
> On Tue, 15 May 2007 21:42:29 -0400, Phil Hobbs
> <pcdh(a)SpamMeSenseless.pergamos.net> wrote:
>
>> Jim Thompson wrote:
>>> On 15 May 2007 16:36:18 -0700, "acannell(a)wwc.com" <acannell(a)wwc.com>
>>> wrote:
>>>
>>>> Is there a clever way to make a current amplifier which acts like a
>>>> NPN transistor except that it has 0 Vbe? That is, with a "base"
>>>> resistor of 10k and an input voltage of 100mV, 10uA gets amplified
>>>> into 1mA at the "collector"? Preferably a method that does not use an
>>>> IC's (opamps, etc..)
>>> Smoke and mirrors make everything work ;-)
>>>
>>> ...Jim Thompson
>>
>> _Magic_ smoke and current mirrors.
>>
>> Cheers,
>>
>> Phil Hobbs
>
> _Magic_ is _MY_ domain ;-)
>

But mirrors is sure not :-)


--
Thanks,
Fred.
From: bill.sloman on 16 May 2007 04:11
On May 16, 3:50 am, Jim Thompson <To-Email-Use-The-Envelope-I...(a)My-
Web-Site.com> wrote:
> On Tue, 15 May 2007 21:42:29 -0400, Phil Hobbs
>
>
>
>
>
> <p...(a)SpamMeSenseless.pergamos.net> wrote:
> >Jim Thompson wrote:
> >> On 15 May 2007 16:36:18 -0700, "acann...(a)wwc.com" <acann...(a)wwc.com>
> >> wrote:
>
> >>> Is there a clever way to make a current amplifier which acts like a
> >>> NPN transistor except that it has 0 Vbe? That is, with a "base"
> >>> resistor of 10k and an input voltage of 100mV, 10uA gets amplified
> >>> into 1mA at the "collector"? Preferably a method that does not use an
> >>> IC's (opamps, etc..)
>
> >> Smoke and mirrors make everything work ;-)
>
> >> ...Jim Thompson
>
> >_Magic_ smoke and current mirrors.
>
> >Cheers,
>
> >Phil Hobbs
>
> _Magic_ is _MY_ domain ;-)

As opposed to the real world.

--
Bill Sloman, Nijmegen

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