[sdiy] Typical load for 9V alkaline batteries?

[René Schmitz]

Paul Schreiber wrote:
> In Horowitz/Hill they state 400mAh @ 1mA and 180mAh @ 10mA for a "heavy
> duty" 9V zinc carbon battery, 500mAh @ 1mA and 470mAh @ 10mA for an
> alkaline 9V battery.

Well the figure for the alkaline seems to be consistent with the 
datasheet for the "Duracell" 9V blocks.

http://www.produktinfo.conrad.com/datenblaetter/650000-674999/650341-da-01-en-duracell_plus_block_9v.pdf

Anything else but misleading.

> I'm sure that I'm in the minority here, but that H&H book is *full* of wrong, misleading, and
> wierd garbage. It's like it was edited by junior EE students, randomly grabbing stuff off the
> web. I know many folks think it's a wonderful book, but I read the op amp chapter and about
> barfed.

Maybe you should have read the chapter on precision design then, there 
they deal with the nonideal behaviour of opamps. I know that the 
coverage might not be complete, but at least your statement that they 
merely cover idealized opamps isn't true.

Cheers,
  René

-- 
uzs159 at uni-bonn.de
http://www.uni-bonn.de/~uzs159