On Nov 29, 2023, at 1:49 PM, brianw <[email protected]> wrote: > On Nov 29, 2023, at 1:28 PM, robert bristow-johnson > <[email protected]> wrote: >> On 11/29/2023 3:09 AM EST Jens Johansson <[email protected]> wrote: >>> and simulate the below circuit just with simple(r) feed-forward and >>> feedback algorithms, or is it so complex that I would have to take the step >>> how to learn to deal with those "Wave Digital Filters"? >> >> I am curious about C6. What does that "4n7" mean? Is that just a typo and >> it's just another 47 nanofarad cap? And what does R7 connect to? What is >> "N"? Is it another kind of ground? Or is it some buss somewhere? > > "4n7" is a shortcut that engineers like to use for "4.7nF" - the standard is > to move the unit to where the decimal place belongs, and that saves a digit.
It's also the case that a decimal point '.' can easily disappear on a printed or hand-written schematic, so placing another symbol in place of the decimal makes it much more visible. Brian
