General Electronics

JFET Hartley oscillator as a kind of L-C resonant circuit oscillator is practical L-C oscillator with JFET as active amplifier

New tutorial is ready http://www.cirvirlab.com/index.php/tutorials/127-jfet-hartley-l-c-resonant-circuit-oscillator-sim...

0 comments posted 12yrs

posted by pchung705

0 comments posted 12yrs posted by pchung705

JFET Common Source Amplifier as counterpart of BJT Common Emitter Amplifier

JFET Common Source Amplifier as counterpart of BJT Common Emitter Amplifier has (on average) smaller voltage gain, high...

0 comments posted 12yrs

posted by pchung705

0 comments posted 12yrs posted by pchung705

Files for AWGs with regular math

Introducing a new version of CAP Tool, the mathematical, hardware-independent arbitrary pattern creation tool. This upg...

0 comments posted 12yrs

posted by computedanalogpattern

0 comments posted 12yrs posted by computedanalogpattern

LOW PASS FILTER (LC) resonanting.

All, I am looking to design a low pass filter that has a cutoff frequency of 20 kHz. The filter needs to be able to han...

0 comments posted 13yrs

posted by mikemillernow

0 comments posted 13yrs posted by mikemillernow

First online complex Delta-Star or Delta-Y Transformation Calculator is ready

One of the most widespread 3 phase network topology transformation is now ready for use. Corresponding tutorial is:...

0 comments posted 13yrs

posted by pchung705

0 comments posted 13yrs posted by pchung705

Darlington pair is two stage current amplifier

Darlington pair is actually two stage current amplifier. Now, there is new tutorial: http://www.cirvirlab.com/index.php...

0 comments posted 13yrs

posted by pchung705

0 comments posted 13yrs posted by pchung705

RIP Wayne Green

He died on Friday. http://www.waynegreen.com/wayne/news.html

0 comments posted 13yrs

posted by nospam

0 comments posted 13yrs posted by nospam

radio shack kit question on (other) transformer ("input" 4Kct2K)

A number of the radio shack science fair electronics learning kits (at leas t 150-1, 160-1, 200-1) and some other equiv...

8 comments posted 13yrs

posted by learntrade

8 comments posted 13yrs posted by learntrade

easily create complex arbitrary waveform patterns

We'd like to announce CAP Tool, a powerful software tool that lets you easi ly create complex arbitrary waveform patter...

0 comments posted 13yrs

posted by stephenhero633

0 comments posted 13yrs posted by stephenhero633

bike light riddle

I have a bicycle light, Opticube, standard unit, single button, uses 2 AA batteries. operation: 1. Push button, light o...

7 comments posted 13yrs

posted by r_delaney2001

7 comments posted 13yrs posted by r_delaney2001

Lithium Batteries

Hello all, Looking for lithium batteries? Shop online for AA. AAA, and CR 123 A type L ithium Batteries from GreenBatte...

8 comments posted 13yrs

posted by grenbatteries

8 comments posted 13yrs posted by grenbatteries

Panasonic TCL32X5

Hello, all. If anyone owns the subject TV a question: When playing MP3 files from a USB flash drive on the TV, the scre...

0 comments posted 13yrs

posted by john.wood

0 comments posted 13yrs posted by john.wood

Canon MP970 disassembly?

Need to get to the ink pump (head-cleaning pump). How do I get the main plastic casting (what you see when you open the...

1 comments posted 13yrs

posted by invalid

1 comments posted 13yrs posted by invalid

Re: 2N2222 vs. MPS2222A

> Trying to build a wireless mike for a guitar, not having much luck: > 1. I have substituted MPS2222A tranistor for 2N...

3 comments posted 13yrs

posted by abpccpba

3 comments posted 13yrs posted by abpccpba

Slip Rings and Domed Observatory -- Continuing

Well, things are really starting to move with my attempt to put a control system in my 10.5' dia dome. There's no doubt...

8 comments posted 13yrs

posted by wolftracks-nospam

8 comments posted 13yrs posted by wolftracks-nospam