Hi Joe - in order to improve your understanding of op-amps., the following link provides an interesting and useful reference for powering op-amps from a single rail. To do this, it refers to terms and concepts that often arise in op-amp design and it explains those in regard to the topic, making them easier to understand.
http://www.ieee.li/pdf/essay/single_supp...design.pdf
You're being too harsh on yourself, Joe. Please appreciate that people like Mark (and myself, to a certain extent) have accumulated years and years of experience and professional education in the huge topic of electronic engineering. I probably have a slight edge on Mark with valve-type technology; he certainly knows more about 'solid-state' devices, circuits, et al, than I do. The point is this: by your own declaration, you are quite new to this hobby. For what you are now getting stuck into - from doing clever things with op-amps. to renovating ex-WW2 valve radios (an enormous gap in technology) - the depth and breadth of knowledge and experience required to make sense of it all is truly vast. But provided that your enthusiasm holds up, and you do the necessary book-work & studying, with time, you'll get there. And as it all falls into place, bit-by-bit, not only does that newly-acquired knowledge become immensely satisfying but it will encourage you to push the boat out just a little bit further. But I feel that I must stress the importance of learning by studying as many text-books that you can obtain and doing practical work: each complements the other:just concentrating your efforts on one of those is counter-productive and is a very inefficient way to learn.
Now please don't take all of that as a 'put down', nor an attempt by me as an exercise in one-upmanship at your expense: it is intended to be sincere and helpful advice. One of the true values of a forum such as this is that we can all learn from one another - even old hands like myself; Mark can speak for himself, if, when, and as appropriate!
Yawn. I'm off to bed: g'night.
Al. / Nov. 16th. @ 00:41 hrs. //
Al.
http://www.ieee.li/pdf/essay/single_supp...design.pdf
(15-11-2012, 11:41 PM)Joe Wrote: . . . I admit to being a rotten pupil.
- Joe
You're being too harsh on yourself, Joe. Please appreciate that people like Mark (and myself, to a certain extent) have accumulated years and years of experience and professional education in the huge topic of electronic engineering. I probably have a slight edge on Mark with valve-type technology; he certainly knows more about 'solid-state' devices, circuits, et al, than I do. The point is this: by your own declaration, you are quite new to this hobby. For what you are now getting stuck into - from doing clever things with op-amps. to renovating ex-WW2 valve radios (an enormous gap in technology) - the depth and breadth of knowledge and experience required to make sense of it all is truly vast. But provided that your enthusiasm holds up, and you do the necessary book-work & studying, with time, you'll get there. And as it all falls into place, bit-by-bit, not only does that newly-acquired knowledge become immensely satisfying but it will encourage you to push the boat out just a little bit further. But I feel that I must stress the importance of learning by studying as many text-books that you can obtain and doing practical work: each complements the other:just concentrating your efforts on one of those is counter-productive and is a very inefficient way to learn.
Now please don't take all of that as a 'put down', nor an attempt by me as an exercise in one-upmanship at your expense: it is intended to be sincere and helpful advice. One of the true values of a forum such as this is that we can all learn from one another - even old hands like myself; Mark can speak for himself, if, when, and as appropriate!
Yawn. I'm off to bed: g'night.
Al. / Nov. 16th. @ 00:41 hrs. //
Al.
