[Coco] serial port problem

[Steven Hirsch]

On Thu, 31 Oct 2013, Gene Heskett wrote:

> The 741 is the most sloppily specified op-amp ever.  I have seen some that
> will make a slew rate limited sine wave out of a 1khz square wave.

Indeed.  First generation monolithic op-amps received a well-deserved bad 
rap for terrible sounding audio electronics, largely due to horrid slew 
rates.

The later bi-fet input devices (LF357, etc.) were not too bad in the right 
circuit topology.

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