Jim Thompson wrote:
That is, what does it do?

Looks like a current-output op-amp with a single-ended output (source,
very limited sink. At least, the three output transistors look like a
servo'd current mirror, with MP1 and MP2 providing the differential
capability.

On Tue, 27 Mar 2007 20:32:22 +1000, Clifford Heath
wrote:

Jim Thompson wrote:
That is, what does it do?

Looks like a current-output op-amp with a single-ended output (source,
very limited sink. At least, the three output transistors look like a
servo'd current mirror, with MP1 and MP2 providing the differential
capability.

Only half of this actual IC cell is shown (for proprietary reasons),
but power consumption of the total cell is 1.37uA.

...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 |

America: Land of the Free, Because of the Brave

On Tue, 27 Mar 2007 07:32:21 -0700, Jim Thompson
Gave us:

On Tue, 27 Mar 2007 20:32:22 +1000, Clifford Heath
wrote:

Jim Thompson wrote:
That is, what does it do?

Looks like a current-output op-amp with a single-ended output (source,
very limited sink. At least, the three output transistors look like a
servo'd current mirror, with MP1 and MP2 providing the differential
capability.

Only half of this actual IC cell is shown (for proprietary reasons),
but power consumption of the total cell is 1.37uA.


Aren't 3904s noisy as hell?

MassiveProng a écrit :
On Tue, 27 Mar 2007 07:32:21 -0700, Jim Thompson
Gave us:

On Tue, 27 Mar 2007 20:32:22 +1000, Clifford Heath
wrote:

Jim Thompson wrote:
That is, what does it do?
Looks like a current-output op-amp with a single-ended output (source,
very limited sink. At least, the three output transistors look like a
servo'd current mirror, with MP1 and MP2 providing the differential
capability.
Only half of this actual IC cell is shown (for proprietary reasons),
but power consumption of the total cell is 1.37uA.


Aren't 3904s noisy as hell?

Hmmm...

"Mirror, mirror upon the wall,
Who is the noisiest noisy of all?"


--
Thanks,
Fred.

On Fri, 30 Mar 2007 08:16:14 +0200, Fred Bartoli
r_AndThisToo wrote:

MassiveProng a écrit :
On Tue, 27 Mar 2007 07:32:21 -0700, Jim Thompson
Gave us:

On Tue, 27 Mar 2007 20:32:22 +1000, Clifford Heath
wrote:

Jim Thompson wrote:
That is, what does it do?
Looks like a current-output op-amp with a single-ended output (source,
very limited sink. At least, the three output transistors look like a
servo'd current mirror, with MP1 and MP2 providing the differential
capability.
Only half of this actual IC cell is shown (for proprietary reasons),
but power consumption of the total cell is 1.37uA.


Aren't 3904s noisy as hell?

Hmmm...

"Mirror, mirror upon the wall,
Who is the noisiest noisy of all?"

What, pray tell, do "3904s" have to do with a CMOS circuit?

...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 |

America: Land of the Free, Because of the Brave

Jim Thompson a écrit :
On Fri, 30 Mar 2007 08:16:14 +0200, Fred Bartoli
r_AndThisToo wrote:

MassiveProng a écrit :
On Tue, 27 Mar 2007 07:32:21 -0700, Jim Thompson
Gave us:

On Tue, 27 Mar 2007 20:32:22 +1000, Clifford Heath
wrote:

Jim Thompson wrote:
That is, what does it do?
Looks like a current-output op-amp with a single-ended output (source,
very limited sink. At least, the three output transistors look like a
servo'd current mirror, with MP1 and MP2 providing the differential
capability.
Only half of this actual IC cell is shown (for proprietary reasons),
but power consumption of the total cell is 1.37uA.

Aren't 3904s noisy as hell?
Hmmm...

"Mirror, mirror upon the wall,
Who is the noisiest noisy of all?"

What, pray tell, do "3904s" have to do with a CMOS circuit?


Don't know but my comment can be read at different levels :-)

--
Thanks,
Fred.

On Fri, 30 Mar 2007 16:42:55 +0200, Fred Bartoli
r_AndThisToo Gave
us:


Don't know but my comment can be read at different levels :-)


Leave it to a frenchy ****tard to think himself as a
psycho-intellectual-comedian.

On Fri, 30 Mar 2007 06:47:54 -0700, Jim Thompson
Gave us:

What, pray tell, do "3904s" have to do with a CMOS circuit?

...Jim Thompson

The image that was posted had several of then on it. Duh!