November 2007
Intermediate to advanced
736 pages
46h 32m
English
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GUITAR PREAMPLIFIER USING IC-LF536
The output signal level provided by many electric guitars is not high enough to overdrive a valve amplifier. This overdriving is an essential part of the final guitar sound. The preamplifier circuit shown here boosts the guitar signal so that the input stage of the guitar amplifier is guaranteed to clip. As an aid to this the gain can be selected between three and eleven times.
The layout of the circuit is very simple. A single LF356, Fig. 20.15 provides the amplification, which is decided by the ratio of (R2 + R3 + P1) to (R3 + P1). The input impedance, which, at 1 MΩ, is quite high, is defined by R1 as the op-amp has f.e.t. inputs. This is a suitable impedance for most guitar pick-ups. A 9 V battery provides ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.