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Sci.Electronics.Basics
Sci.Electronics.Basics is a worldwide Usenet news group that is used to discuss basic electronics questions.
There are 4775 threads in our archives.
You are looking at page 3 of 478.
The threads with the newest articles are listed first.
Easiest - Approximate Phase Angle Between Two 4 SNR Signals
Bret Cahill - 2010-08-18 11:37:00
Both signals have mostly the same noise. The noise is at least
several times higher in frequency and usually several times lower in
amplitude.
The phase angle will be less than 5 degrees.
The...
Severall questions [13 articles]
Kari Laine - 2010-08-18 02:21:00
Hi,
I bought reflow soldering station from USA. I don't know why it did not
occur to me that the voltage over there is 130V. Now I bought an
transformer from 250 to 130. But the output does not i...modifying existing LED cirtuit [15 articles]
Robbob - 2010-08-16 21:21:00
Hello all,
i have a basic question to ask, i tried to find it on the web but with
no luck.
i am trying to use a LED array taken from a lamp sold in a discount
store for 2$.
It is quite simple, ...unstable opamp ringing oscillating and such [19 articles]
panfilero - 2010-08-15 22:45:00
can anyone in here explain why a OpAmp could oscillate or become
unstable if there are 2 poles before it reaches 0dB on a plot of gain
vs frequency?
Here's what I've gathered thus far... there's ...OT Sail downwind faster than the wind! [207 articles]
John Doe - 2010-08-15 06:03:00
If you enjoy reading technical argument back and forth (especially
when you suspect that one side is full of it), and have not
already done so, this one is for you.
There is much discussion abo...Are rechargeable ALKALINE CELLs still available? [10 articles]
2010-08-13 17:07:00
Some called 'grandcell' which I've used for 2 years need to be replaced,
but they've gone off the market here.
Have these [made in Malaysia] been banned, or what ?
==TIA
...Buffered FET logic, Direct coupled FET logic tutorial [18 articles]
Daku - 2010-08-13 14:36:00
Could some electronics guru provides some URLs for authentic buffered
FET logic and/or direct coupled FET logic ? Thanks in advance.
...analog switch [22 articles]
ravi - 2010-08-12 11:53:00
How can design analog SPDT switch which switches VCC between +3.3V and
5V depending on application? I've an available pin on micro which can
select the VCC. There are some ICs available to do this j...Device on cable [5 articles]
Roger Dewhurst - 2010-08-11 21:09:00
Cables which connect USB ports with peripherals such as cameras
frequently have black cylindrical objects on the cables a few
centimetres away from the USB end. These may be about 10mm in diamet...Cordless drill power supplying scooter motor? [3 articles]
John Doe - 2010-08-11 18:14:00
Does this sound right?
drill battery and controller
no-load
driving the drill motor
lowest-speed
1 amp
full throttle
2.8 amps
driving the scooter motor
lowest-speed
1.5 amp
full thro...