https://www.emusic-diy.org/ 2026-04-29T21:56:40+00:00 https://www.emusic-diy.org/ https://www.emusic-diy.org/_media/wiki:dokuwiki.svg text/html 2024-07-30T03:29:53+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.emusic-diy.org/references:capacitor?rev=1722310193&do=diff E-Music DIY Reference Archive The Capacitor Reference Guide ---------- Q: What's a capacitor, anyway?? A: A capacitor consists of 2 metal plates separated by an insulator. More generically, a capacitor consists of two or more conductors separated by a non-conductor or 'dielectric'. text/html 2024-07-30T03:33:18+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.emusic-diy.org/references:ota?rev=1722310398&do=diff E-Music DIY Reference Archive LM13600/LM13700 ---------- A Short Discussion of the Operational Transconductance Amplifier (OTA) ---------- In the late sixties, RCA, then one of the major leaders in linear semiconductors, came out with the Operational Transconductance Amplifier, hereafter called OTA. The name means essentially a controllable resistance amplifier. The control input is a current. Like an operational amplifier, there are differential inputs. These inputs are used to modulate t… text/html 2024-07-30T03:33:44+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.emusic-diy.org/references:resistortrimming?rev=1722310424&do=diff The Resistor Reference Guide How to make custom resistors by frictive attrition ---------- It is not generally known that you can customize a resistor fairly easily. The technique was taught to me by my late farther. An electronics technician in defence research. A recipe that's been in our family for generations. :) text/html 2024-07-30T03:34:45+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.emusic-diy.org/references:solderingtips?rev=1722310485&do=diff Soldering and Desoldering Tips There are 3 facets of doing the job right: * Proper Equipment/Supplies * Proper Preparation * Proper Technique I will be assuming in my discussion that you have no experience whatsoever, and know nothing about solder or soldering technique. This will make the discussion lengthy, but hopefully you will pick up some background info that you didn't know before. text/html 2024-07-30T03:38:20+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.emusic-diy.org/references:voltref?rev=1722310700&do=diff E-Music DIY Reference Archive Voltage References (Or how I stopped worrying and learned to love crappy power supplies) ---------- Having seen a lot of circuits on the internet, I have discovered that a majority of them were designed to be as inexpensive as possible. There's nothing wrong with that! Having shelled out hundreds of dollars for parts myself, if I can save a buck or two, why not??