On Wed, 14 Mar 2007 18:59:59 GMT, "Genome"
wrote:

Genome, Your differential gain is....

10K/re(equivalent)

Or...

10K/re(NPN)*BETA(PNP)

Take re(NPN) = 26

Take BETA(PNP) = 150

Your gain is 57.69K or 95dB

That gain also multiplies any offset mismatches :-(

You dig ?:-)

...Jim Thompson
--
| James E.Thompson, P.E. | mens |
| Analog Innovations, Inc. | et |
| Analog/Mixed-Signal ASIC's and Discrete Systems | manus |
| Phoenix, Arizona Voice480)460-2350 | |
| E-mail Address at Website Fax480)460-2142 | Brass Rat |
| http://www.analog-innovations.com | 1962 |

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