Hobby Electronics Basics

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Electret Condenser Element Question

I have an electret element capsule with the following parameters; Sensitivity: -56dB V/ubar, -36dB V/Pascal +/-4dB. I'm...
3 comments posted 18yrs
posted by noemail
3 comments posted 18yrs posted by noemail

Speaker power question

I can buy a 300 watt speaker or a bunch of 150 watt speakers much cheaper. Can you run the 150 speakers in such a way t...
9 comments posted 18yrs
posted by uriahsky
9 comments posted 18yrs posted by uriahsky

general questions

two questions: *) where can one read proofs of circuit-theoretic theorems (Thevenin, Superposition, etc)? *) can an fm...
5 comments posted 18yrs
posted by sean_mcilroy
5 comments posted 18yrs posted by sean_mcilroy

Kicad vias

How do I get Kicad's pcb editor to insert a via? It's probably really simple, but I can't make it happen! Argh!
3 comments posted 19yrs
posted by randy.day
3 comments posted 19yrs posted by randy.day

difference between scada and dcs

can anyone please tell me what is the difference between scada and dcs. Thaugh it is said that now these terms are inte...
1 comments posted 19yrs
posted by mahakgarg
1 comments posted 19yrs posted by mahakgarg

Op Amp virtual ground

Hi, This is mahak. can anybody tell me what is virtual ground concept.I refer to Micro electronics by Sedra & SMith. Th...
12 comments posted 19yrs
posted by mahakgarg
12 comments posted 19yrs posted by mahakgarg

RF Filter PCBs

If you need to prototype or build a lumped element RF filter, check out the RF Filter PCBs at RF Bites. http://www.rfbit...
0 comments posted 19yrs
posted by frequencyhopper
0 comments posted 19yrs posted by frequencyhopper

Neon Lamps In Vintage Radio

Hi, not sure if this is the right place to ask, but here goes.. I have an old 1960's radio that uses two 6 volt incande...
33 comments posted 19yrs
posted by the1930s
33 comments posted 19yrs posted by the1930s

grass 9A5 amps (EEG)

I have a bunch of grass 9A5 amps (EEG) and would like to modify some of them for portable use in the field, do you know...
0 comments posted 19yrs
posted by scott93727
0 comments posted 19yrs posted by scott93727

Sound controlled LED light setup

Hi, I,m setting up a soundsystem in my room, and I wondering if there was a way to set up some LED arrays to go with it...
6 comments posted 19yrs
posted by Japa.Mala.Illo
6 comments posted 19yrs posted by Japa.Mala.Illo

Check out the IT forum

Hi guys, Check out the new IT forum for global IT and BPO people .. http://www.zhatak.com/Forum/General/ITForum.aspx Al...
1 comments posted 19yrs
posted by umanathjha2007
1 comments posted 19yrs posted by umanathjha2007

soldering perfboard

hi all, i am not ready to begin creating my own PCB, and i have a few projects that i'd like to place in a more permane...
15 comments posted 19yrs
posted by isaacdover
15 comments posted 19yrs posted by isaacdover