AW: fast rectifier

[Martin Czech]

> 	>So the idea is to use op-amps with external
> 	>compensation, and "switch of" compensation while the input
> voltage
> 	>crosses the 0 line, the most critical moment. 
> 	>
> > http://www.national.com/pf/LM/LM101A.html gives a circuit for this
> 	>in LM101A.pdf on page 8.
> 
> Good idea!
> Question: How would this circuit compare with a standard rectifier
> that uses a TL071 or similar. I ask because they also have a "fast"
> voltage follower on their LM101, which has a slew rate of 1V/us.
> 
Maybe a lf357 would work, 50V/us. But I can't find an app note
how to compensate this type.

m.c.