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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...Easiest - Approximate Phase Angle Between Two 4 SNR Signals

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...Severall questions

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, ...modifying existing LED cirtuit

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 ...unstable opamp ringing oscillating and such

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...OT  Sail downwind faster than the wind!

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 ...Are rechargeable ALKALINE CELLs still available?

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. ...Buffered FET logic, Direct coupled FET logic tutorial

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...analog switch

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...Device on cable

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...Cordless drill power supplying scooter motor?
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