Hobby Electronics Basics

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T LP filter and RC LP filter

What is the difference between T-filter LP filter and RC LP filter? I know T-filter is ---R---R--- | C | and RC LP filt...
2 comments posted 21yrs
posted by eehobbyist
2 comments posted 21yrs posted by eehobbyist

help designing a circuit

what i need is sort of a muting circuit i need a cicuit that has two audio inputs(we'll call them 1 and 2) and the circ...
4 comments posted 21yrs
posted by holmsy2000
4 comments posted 21yrs posted by holmsy2000

Current philisophy

So, are they still teaching hole flow in electronics schools or are they back to electron flow?
12 comments posted 21yrs
posted by Rodneykelp605
12 comments posted 21yrs posted by Rodneykelp605

Inuctor and ferrite bead

Hi, Just a question: Is ferrite bead actually an inductor? Or a filter? Thnaks!
11 comments posted 21yrs
posted by eehobbyist
11 comments posted 21yrs posted by eehobbyist

ac or dc

Hello All, I have been studying electronics for some time but my understanding on ac and dc analysis is still not too c...
4 comments posted 21yrs
posted by cheanglong
4 comments posted 21yrs posted by cheanglong

Peltier modules - Different voltages in parallel?

I'm a computer scientist and know very little about electronics. After a while of google searching, I haven't been able...
10 comments posted 21yrs
posted by rob.salkin
10 comments posted 21yrs posted by rob.salkin

Schematic for 0-2 Amps voltage regulated output

Does anyone have schematic for Output that is regulated with voltage (small up to 2 V) and otput is 0 - 2 Amps according...
6 comments posted 21yrs
posted by mikiNOSPAM
6 comments posted 21yrs posted by mikiNOSPAM

DPST or SPST for AC

For using an AC switch is it recommended to switch only live wire by using SPST or switch both live and nuetral using DP...
2 comments posted 21yrs
posted by aman.bindra
2 comments posted 21yrs posted by aman.bindra

CATC BT tool

Hi All, I am a rookie. I try several times and got nothing of link keys. I want to trace two cells when they transferin...
0 comments posted 21yrs
posted by bokiteam
0 comments posted 21yrs posted by bokiteam

555 Timer with switch and pump

Greetings all! I am very new to electronics but heres what I want to do... I want a push button (spst) to start a liqui...
8 comments posted 21yrs
posted by scott
8 comments posted 21yrs posted by scott

digital thermometer scematic for a novice

Hey guys, Im looking for a thermometer scematic with a digital display. I have a limited knowledge of electronics so th...
1 comments posted 21yrs
posted by harvz
1 comments posted 21yrs posted by harvz

LM386 Spice model

Ive tried google. But could not locate the spice model for an LM386. Can someone help? thanks
3 comments posted 21yrs
posted by mister.steve.smith
3 comments posted 21yrs posted by mister.steve.smith

Transistors Replacements

I'm trying to build a circuit that calls for these three Transistors. My local guy does not have them. I would rather b...
8 comments posted 21yrs
posted by Cretian
8 comments posted 21yrs posted by Cretian