Hobby Electronics Basics

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Watts to amps

Hi Guys just a quick question for someone How do you convert watts to amps Thanks Nikki
5 comments posted 21yrs
posted by rickj
5 comments posted 21yrs posted by rickj

Ailtech 13680 preamplifier

Dear all, Does anyone know anything about these Ailtech models? AIL-13680 preamplifier AIL-13610 Receiver I tried googl...
0 comments posted 21yrs
posted by morphycal
0 comments posted 21yrs posted by morphycal

a question about power

Hi. I'm a total clueless newbie and I've just bought my first soldering tool and I'm about to construct a resistor from...
6 comments posted 21yrs
posted by debian
6 comments posted 21yrs posted by debian

Simple KCL help

I seem to be unable to properly calculate the proper voltage for what I've called Node B. Would someone mind helping me...
4 comments posted 21yrs
posted by rspinks1
4 comments posted 21yrs posted by rspinks1

Testing an uninterruptible power supply (UPS)

I would like to buy a battery for my UPS which has failed. But there is no clear indication that the sealed lead-acid b...
3 comments posted 21yrs
posted by jdoe
3 comments posted 21yrs posted by jdoe

LOW NOISE op amp

Hi, I wonder if there is any suggestion about which op amp I can use which has Low Noise, and only need 9V from battery...
6 comments posted 21yrs
posted by padmow_69
6 comments posted 21yrs posted by padmow_69

burnt ups & no clue

hello, i had a merlin gerin 5 kva 31 series model ups for 3 phase to 1 phase. the arrangement from company manual said...
2 comments posted 21yrs
posted by bandyaggroup
2 comments posted 21yrs posted by bandyaggroup

Wheatstone bridge problem

I've used a Wheatstone Bridge to measure the resistance of 4 large solenoids. The readings were: 0.3, 0.28, 0.27, 0.26...
8 comments posted 21yrs
posted by matty
8 comments posted 21yrs posted by matty

Op amp help please

I'm fairly new to electronics and I am having a bit of a problem understanding which path to take. I am needing to cons...
10 comments posted 21yrs
posted by seware
10 comments posted 21yrs posted by seware

what is need for using memory

I am working on a project dealing with home security. What I'd like to change is my dtmf storage area. what I am using...
1 comments posted 21yrs
posted by michaelt0101
1 comments posted 21yrs posted by michaelt0101

op amp circuit

I require a Single Op-Amp Bandpass Filter circuit with a gain of 100X and the frequency range is 0.1 Hz to 45 Hz. I fou...
5 comments posted 21yrs
posted by aabid.s
5 comments posted 21yrs posted by aabid.s

Right Guage of Wire for the job

Hi Guys We just bought a used Hot Tub and was wondering what gage of wire we would use. Its an average size (seats 6)wit...
7 comments posted 21yrs
posted by rickj
7 comments posted 21yrs posted by rickj