Re: Favourite low offset op-amp
- From: Jim Thompson <thegreatone@xxxxxxxxxxx>
- Date: Wed, 18 May 2005 07:28:04 -0700
On 18 May 2005 04:36:51 -0700, Winfield Hill
<hill_a@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
>Bill Sloman wrote...
>>
>> Jim Thompson wrote...
>>> I love auto-zeroing.
>>>
>>> Once upon a time, I even built a micro-voltmeter, using LM324's,
>>> to measure voltage drop on PCB tracks, to locate shorts.
>>>
>>> Zero, measure, zero, measure....
>>
>> Haven't we all? Win has got a couple of pages on lock-in detection
>> in "The Art of Electronics" - it isn't exactly rocket science.
>
> We introduce the auto-zero circuit as well, pg 392.
But I was doing it before you were born ;-)
Actually, IIRC, I ran across those notes here at the house, so they're
not buried in the archival storage. I'll post if I can re-find.
...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 |
I love to cook with wine. Sometimes I even put it in the food.
.
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