Hobby Electronics Basics

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Sony Walkman + Sony VCR Repair Questions

1. My Sony VCR (SLV-798Hf) started eating and damaging my tapes when rewinding. Does it sound like some kind of problem...
2 comments posted 22yrs
posted by asdf
2 comments posted 22yrs posted by asdf

playing with video signal- split screen and delay

hello, i bought a nice sony tv from this guy and got to talking about this idea i have for a tv sculpture. he told me a...
0 comments posted 22yrs
posted by maxslomoff
0 comments posted 22yrs posted by maxslomoff

Q: Lcd Contrast And Pwm

Ok so it seems powertip's PG12864 serise of lcd's run at -5v to +5 for contrast how can i generate a range of -5 to +5...
0 comments posted 22yrs
posted by chrispol
0 comments posted 22yrs posted by chrispol

antenna length for video xmtr

Greetings Folks, I have a video camera/transmitter unit that transmits in the 900 MHz to 1200 MHz range according to th...
17 comments posted 22yrs
posted by etpm
17 comments posted 22yrs posted by etpm

CAD

Does anyone know where I can find a cad DB Connector Library. We are trying to design a small chassis and we are lookin...
1 comments posted 22yrs
posted by rwskinnerATawesomenetDotnet
1 comments posted 22yrs posted by rwskinnerATawesomenetDotnet

Protek Oscilloscopes

Hi all, So are the Protek oscilloscopes any good? Anyone have any experiences they'd like to share? Or should I just sav...
5 comments posted 22yrs
posted by unknown
5 comments posted 22yrs posted by unknown

what does 31/2 digits mean?

I know it's a dumb question. But I see meters with 31/2, 41/2 and even 43/4 digits displays. So what is the 1/2 digit? T...
2 comments posted 22yrs
posted by etpm
2 comments posted 22yrs posted by etpm

speakers' cable

Hello, I would have a question about speakers' cable. Many people (not only sellers) are convinced that with a special...
46 comments posted 22yrs
posted by vexator_nospam
46 comments posted 22yrs posted by vexator_nospam

Need help with a CD4059A "Divide-By-N" Chip

I need help setting up this to an N factor of 1000. I am trying to lay this chip out on a PCB. I have the manufacturer d...
2 comments posted 22yrs
posted by <elehman1
2 comments posted 22yrs posted by <elehman1

Electronic/Chassis Parts

I'm searching hi and lo for a chassis mount RJ45 connector. I see them all the time on other devices but I sure haven't...
2 comments posted 22yrs
posted by rwskinnerATawesomenetDotnet
2 comments posted 22yrs posted by rwskinnerATawesomenetDotnet

Impedance

Hi: helpful souls out there I like to know how can i measure the resistance or an impedance in an AC circuit?
2 comments posted 22yrs
posted by hang110
2 comments posted 22yrs posted by hang110

Wall Wart Replacement source NOT RS

I am looking to replace the following AC/DC wall wart: Bothhand Enterprises Inc Model M1-10S05 AC Input 120VAC Output:...
12 comments posted 22yrs
posted by xxnonexnonexx
12 comments posted 22yrs posted by xxnonexnonexx

Relay ratings

Hello All, I have a relay which has a rating of 1A at 24VDC. The current rating is pretty obvious but is the voltage rat...
4 comments posted 22yrs
posted by unknown
4 comments posted 22yrs posted by unknown

Newbie Question: Which tool(s) to use?

Hi, all. I'm a tech writer, and recently decided to learn more about electronics. Along the way I've picked up four or...
7 comments posted 22yrs
posted by null
7 comments posted 22yrs posted by null