Hobby Electronics Basics

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Clipping diodes

Sorry for all the posts but this will be the last one and then if I have any more questions I'll wait and group them to...
5 comments posted 19yrs
posted by Jon_Slaughter
5 comments posted 19yrs posted by Jon_Slaughter

Input stage to op amp

http://www.geofex.com/Article_Folders/TStech/tsxtech.htm I'm curious to why in the above analysis and circuit that the...
5 comments posted 19yrs
posted by Jon_Slaughter
5 comments posted 19yrs posted by Jon_Slaughter

Special op amp "tricks"

Are there any tricks I need to be aware of for practical op amp circuits? Mainly stuff to do with audio? Just wondering...
10 comments posted 19yrs
posted by Jon_Slaughter
10 comments posted 19yrs posted by Jon_Slaughter

PSpice Models

Hello all! I try to build a power supply. Therefore I would like to simulate my circuit with the student version of Psp...
1 comments posted 19yrs
posted by irina.kemper
1 comments posted 19yrs posted by irina.kemper

Beginner looking for advice

Hello All, Please excuse the beginner questions; this is my first attempt at etching a PCB. I bought some 2oz dbl sided...
6 comments posted 19yrs
posted by paonessb
6 comments posted 19yrs posted by paonessb

Voltage Regulators

Hello, Has anyone used the AP1501 voltage regulators. (http://www.diodes.com/datasheets/dsAP1501.pdf) I have a 3.3v and...
17 comments posted 19yrs
posted by joe.mckibben
17 comments posted 19yrs posted by joe.mckibben

Stripboard wire size?

Hi, I'm trying to order wire for a stripboard project of mine but I'm not sure what kind of wire I should order (size, S...
14 comments posted 19yrs
posted by spare_the_rod
14 comments posted 19yrs posted by spare_the_rod

Question about 74LS245 bus transceiver

So, I'm sitting and reading the 74LS-databook just for the sake of getting a wider view of what's available out there,...
9 comments posted 19yrs
posted by bos
9 comments posted 19yrs posted by bos

Where can i get OLED displays

Ive been working on some projects for university and my lectuerer has suggested that i replace a LCD screen with an OLE...
9 comments posted 19yrs
posted by wayne.tams
9 comments posted 19yrs posted by wayne.tams

Long term storage of camera batteries

My camera uses AA size 1.25v nickel metal hydride batteries and I've just had a set die on me. (holds no charge). If I...
9 comments posted 19yrs
posted by grahame9
9 comments posted 19yrs posted by grahame9

Noninverting to inverting op amp

I am trying to change a noninverting op amp of an existing circuit so that it is inverting. Since I am just starting ou...
16 comments posted 19yrs
posted by grubertm
16 comments posted 19yrs posted by grubertm

Delay a 5 V Signal for 50 ms

I have a 5 V DC signal from a trigger that I need to delay for 50 ms before it reaches a synchronizer. Is there an easy,...
5 comments posted 19yrs
posted by craigeberhardt
5 comments posted 19yrs posted by craigeberhardt

frequency and voltage drop across inductors

It seems that there is a relationship between frequency and the voltage drop across an inductor or resistor. If you hav...
4 comments posted 19yrs
posted by conrad
4 comments posted 19yrs posted by conrad

Modifying transformer

I tore apart the battery transformer I mentioned here a while back. I'm going to remove a few turns on the primary to i...
13 comments posted 19yrs
posted by Jon_Slaughter
13 comments posted 19yrs posted by Jon_Slaughter

electricity in homes

How does unplugging electrical applicances(loads) save on electricity in homes? I know a load utilizes current and cons...
11 comments posted 19yrs
posted by conrad
11 comments posted 19yrs posted by conrad