modern replacement for LM301 ?

houshu at dsp.cl.nec.co.jp houshu at dsp.cl.nec.co.jp
Thu Dec 28 02:02:57 CET 2000


Hello JH and List,

> Date:    Wed, 27 Dec 2000 18:30:47 JST
> From:    jhaible at t-online.de (jh.)
> I'm just toying around with simulations of a filter circuit that
> uses a LM301 in 2pole-compensation configuration
> (see page 5 of LM101 data sheet).
> 
> "Modern" opamps like TL081 or LF353 won't do it
> - the resulting frequency response of the filter is
> different (says PSpice).
> 
> Are there any "modern" opamps that allow the same type
> of compensation as the 301 ?
> Something like a low noise drop in replacement ?

Two pole compensation will be possible with TL070, because feedforward
compensation is shown in the datasheet.  Unfortunately, I couldn't
find any example of 2 pole compensation there. 

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 Osamu HOSHUYAMA                    NEC Corporation  Kawasaki JAPAN
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