Archive for February 8th, 2012

What we’re doing in Electronics Class

As usual I arrive, tail between my legs, because I have not kept up my end of the bargain. That said, Part-1 of my Fender Hot Rod Deluxe mods is now in the February issue. Part-1 implies Part-2 and, like Sourdough starter, I am already working on Part-3 even though Part-2 has not yet been put to bed.

Zooming in on a guitar amp with a microphone has a tendency to reveal certain flaws that might not get noticed at rehearsal or at a live gig. As a recording engineer with geek abilities, I wanna know how to make ‘one of THOSE amps’ sound good in the studio, especially when my ‘clients’ are students on a limited budget. It’s not hard and it’s ‘mostly time,’ lol!

Meanwhile, in the first three weeks of Electronics Class, we covered voltage dividers, series and parallel circuits, Ohm’s Law and the Power Formula. Power Supplies and basic soldering skills are currently in the cue. We learned, about half wave, full wave, voltage doublers, filter capacitors and regulators.

When I showed up to class this week, students had drawn their power supply schematics 15 times in prep for a from-memory mid-term exam. Now we can ‘relax’ and stuff some components into the circuit board and solder away. Next week we start JFETs.

Here are some review links from my own site and afrotechmods.com

Basic Electricity

Voltage Dividers

Series Parallel and Resistor Color Code Test

Rectification Video

Rectifiers…

Regulation Video

Regulation Homework

JFET TUTORIALS

JFET Video

JFET PDF

JFET LINK

Some of these videos are not as well done as the stuff Afrotech does, some of the audio is absolutely horrendous! That said, our minds are all wired a little differently and it’s good to check multiple sources.


FET VID-1

This one has terrible audio, but it seems relevant…

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