Hobby Electronics Basics

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Worth reading in Hobby Electronics Basics

recommended reading for audio amplifier design?

I was about to buy Randy Slone's book, but these stopped me in my tracks: http://www.amazon.com/review/product/00713411...
0 comments posted 18yrs
posted by mrdarrett
0 comments posted 18yrs posted by mrdarrett

Cleaning a BNR Connector

I have a female BNR connector that I think needs oxidation removed from inside. It's a bit too tight for emery paper. A...
10 comments posted 18yrs
posted by notvalid2
10 comments posted 18yrs posted by notvalid2

attenuation pad

Hi there I have a recording studio and i am using a stage box to take multiple microphones into one multicore to pl;ug...
2 comments posted 18yrs
posted by nottnick
2 comments posted 18yrs posted by nottnick

LM317 schematics

In the LM317 documentation (http://cache.national.com/ds/LM/ LM117.pdf), there are schematics that show for example R1 o...
0 comments posted 18yrs
posted by rigidwing
0 comments posted 18yrs posted by rigidwing

Electronics Distance Learning

Hi all, I've just completed some basic Scottish Vocational qualifications in electronics and I want to continue with a...
0 comments posted 18yrs
posted by Jim
0 comments posted 18yrs posted by Jim

Converting 7v DC to 7v AC at 50-60Hz

Hello, I have hacked a clockradio and i need to supply it with power from a 12v battery. How do i invert DC to AC?
16 comments posted 18yrs
posted by stiganielsen
16 comments posted 18yrs posted by stiganielsen

Question on phone cord connectors

If the connector for the phone line coming from the wall is an RJ-11, what connector is used for the coiled cord connec...
12 comments posted 18yrs
posted by db5151
12 comments posted 18yrs posted by db5151

how to separate ground potential

Hi, I have to design a printed circuit board for a high-voltage environment. Hence, the "ground potential" of the board...
22 comments posted 18yrs
posted by jiffylube
22 comments posted 18yrs posted by jiffylube

A useful website for LED array design

Hey folks!! I just created a website for those of you interested in creating LED arrays. It will calculate the resistor...
15 comments posted 18yrs
posted by iyad.marzouka
15 comments posted 18yrs posted by iyad.marzouka

audio amplifier output transistors

I noticed that TR7 is PNP and TR9 is NPN here: http://www.dself.dsl.pipex.com/ampins/dipa/dpafig1.gif Then over here, T...
8 comments posted 18yrs
posted by mrdarrett
8 comments posted 18yrs posted by mrdarrett

what is the symbol for a solenoid

such as http://www.rapidonline.com/Electronic-Components/Relays-Solenoids/Solenoids/PCB-miniature-solenoids/29536/kw/sol...
2 comments posted 18yrs
posted by rgdavidson
2 comments posted 18yrs posted by rgdavidson

Simple emitter followers

I'm reading this (fascinating reading): http://www.dself.dsl.pipex.com/ampins/discrete/ef.htm and I noticed the capacit...
2 comments posted 18yrs
posted by mrdarrett
2 comments posted 18yrs posted by mrdarrett

Paralleling FETS

I'm thinking of using a dual mosfet in a SC-88 package (NTJD4401N), in a current source. The FET's will be controlled b...
8 comments posted 18yrs
posted by spamme
8 comments posted 18yrs posted by spamme

OpAmp differential voltage range ?

I thought I found an ideal micro power OpAmp for another low power LDO I'm building in the LMV641. Small offset, RR out...
2 comments posted 18yrs
posted by spamme
2 comments posted 18yrs posted by spamme