Peter Baxandall RIP was (is) a well respected engineer.
Bax is easier to spell.
JR
Bax is easier to spell.
JR
ruairioflaherty said:Self has a very nice Bax implementation in this book, lower noise and with clear notes on component scaling and band interaction.
I see no reason to favor the above design over Self's take.
user 37518 said:I love Self's books, I just order SSAD 3rd edition!, however, there is only one problem with Self's implementation, and in fact with his book in general, there is absolutely zero math on how to calculate the circuit parameters, you either take it as it is or you are basically screwed, you can fool around with a simulator trying to modify it to fit your needs, or you can try and figure out how the circuit works by doing the analysis and math by hand, but you are on your own with this. Thats the only downside I see on Self's books, if he at least included simple formulas on how to calculate basic parameters such as cut-off frequency the book would be truly legendary.
SWAN808 said:I am about to pull the trigger on the BOM for this design to test on the breadboard but thought it might be sensible to check in advance it is worth pursuing from the more knowledgable types around here, seeing as it's an internet source...
Never ASSume that all typical application circuits are well engineered. They are typically developed by junior engineers tasked with selling more ICs.mskeete said:I've built that 3 band EQ many years ago (2004 ish) and the interaction between the mid and the treble controls was awful.
I always thought i made a mistake somewhere until I came across a piece of equipment with 3 band EQ that had the same interaction. I took the cover off and looked inside and it was the same circuit.
I first saw it in an IC data book , page 586 and I used to drool at the pretty looking curves
JohnRoberts said:Never ASSume that all typical application circuits are well engineered. They are typically developed by junior engineers tasked with selling more ICs.
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