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From: Bill Sloman <bill.sloman@ieee.org>
Newsgroups: sci.electronics.design
Subject: Re: 80dB now but still needs improvement at 1KHz
Date: Thu, 7 Nov 2024 02:29:16 +1100
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On 7/11/2024 1:50 am, Liz Tuddenham wrote:
> Bill Sloman <bill.sloman@ieee.org> wrote:
> 
> [...]
>> LTSpice - in the right hands -
>> can help you understand what's going on on the bench quite a lot faster
>> than bench work on it's own.
> 
> It can help you understand what *should* be going on but bench work shows
> you what is really going on and it is up to you to understand why.

But quite a lot of what you need to understand in bench work is captured 
by a decent simulation, and a whole lot faster than you can capture it 
on the bench.

> learning by benchwork is slower because it is complicated by having to
> deal with reality.

Simulations capture quite a lot of what is going on on the bench.

Sometimes the reality you have to deal with is easier to dig out of a 
well-set up simulation because you can fiddle with stuff in the 
simulation that you can't twiddle on the bench.

A great deal of electronic design is getting the right concepts 
together, and while bench work is usually a safer way of doing that, it 
can also be quite a lot slower.

The subjectivist audio people get quite sentimental about what their 
golden ears tell them. Peter Baxandall was an objectivist.

-- 
Bill Sloman, Sydney