On Tue, 16 Oct 2012 16:09:00 +0000, J.G. wrote:
> Every analog designer has only four circuits in his toolbag.
> 1. Current mirror
> 2. Cascode
> 3. Differential pair
> 4. Common-mode feedback
Remember, everything they tell you in the text books is wrong!
For example, the texts will say the purpose of the cascode is to increase
the output impedance of the current mirror ... but they confuse things
just so they can write 1000-page CMOS Design textbooks!
Likewise, as a dozen so-called analog designers what the purpose of an op-
amp is, and they'll likely say it's something along the order of high
gain, but that too is only making something simple complex.
KISS is what analog design is all about.
BTW, the Cadence software is nothing but the opposite of KISS. There is
analog EDA software out there that is extremely simple - just google and
you'll find it.