Hobby Electronics Basics

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Oxidised components

I've been having problems with an SMD board that I've been making some modifications to. I suspect that I've damaged th...
2 comments posted 20yrs
posted by davidwyn.davies
2 comments posted 20yrs posted by davidwyn.davies

Searching for memory tester

Hello everyone, Does anyone know of a good DDR RAM tester module (preferably ATE) ? The DDR RAM (which i wanted tested)...
0 comments posted 20yrs
posted by rover8898
0 comments posted 20yrs posted by rover8898

Standby current measurement

Good day to all, Does anyone know of any peculiarities concerning the measurement of the standby current of a DDR RAM?...
0 comments posted 20yrs
posted by rover8898
0 comments posted 20yrs posted by rover8898

Power supply ATX type question :-)

I have 2 boards working with each there own pc ATX power supply, TTL ic application. Should I ( or can I) put ATX PS gro...
1 comments posted 20yrs
posted by a
1 comments posted 20yrs posted by a

basics of an RF circuit?

What are the basic components of an RF transmitter, and there respective roles ? (I'm learning electronics so excuse th...
6 comments posted 20yrs
posted by aheyn
6 comments posted 20yrs posted by aheyn

Voltage Divider Resistor Picker

Hi, There are 480,000 different combinations of standard 1% resistor values. If you need 2.75 volts from a 5.00 volt re...
9 comments posted 20yrs
posted by RespondToGroupPlease
9 comments posted 20yrs posted by RespondToGroupPlease

Transformerless power supply

Hi, I've read a lot about this topic both on the web and usenet. I have a dimmable electronic ballast for fluorescent t...
5 comments posted 20yrs
posted by alesanRemoveMePlease
5 comments posted 20yrs posted by alesanRemoveMePlease

PCB photo etch using inkjet?

I just opened up a kit I have for photoetching and it says that inkjet will not work ;/ I thought I read that you can u...
18 comments posted 20yrs
posted by Abstract.Dissonance.hotmail.co
18 comments posted 20yrs posted by Abstract.Dissonance.hotmail.co

Attrition?

Hi, What does it mean by "5% attrition on all passive & small pack components"? I was looking at various PCB assembly we...
2 comments posted 20yrs
posted by mr.whatever
2 comments posted 20yrs posted by mr.whatever

(Beginner) Ethernet interface

I have a module that requires an Ethernet interface. Do i only need a PHY transceiver such as the KENDIN KS8721B PHY tr...
1 comments posted 20yrs
posted by vcteo1
1 comments posted 20yrs posted by vcteo1

32bit multiplication using TTL logic

I want to design what would have been a super computer in 1975, using parts that would have been "easily" available. Se...
19 comments posted 20yrs
posted by grant
19 comments posted 20yrs posted by grant

multimeter with scope calibration function

I've got a Sears 982015 digital multimeter with a square wave generator function on it. I want to use the function to c...
1 comments posted 20yrs
posted by jensenjer
1 comments posted 20yrs posted by jensenjer

Blog: Electronic Product Dev

Hey All: You may be interested in a new blog covering electronic product development: http://jtsystem.blogware.com/ Chee...
0 comments posted 20yrs
posted by <tsonderskov
0 comments posted 20yrs posted by <tsonderskov

Ground

I know that ground is in a mains (AC power) electrical wiring system is a conductor that exists to help protect against...
1 comments posted 20yrs
posted by papageorgiou40
1 comments posted 20yrs posted by papageorgiou40