Welcome to our site! EDAboard.com is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.
The Loud-speaker
I will design the loud-speaker (use vacuum tube).I have the vacuum tube is 6X4 (Hitachi) which I don't know about qualification or feature of it. I would like to data of 6X4.
The ringing of telephone
I would like to know about the ringing of telephone.It is use power from.... Where? DC or AC and voltage value?I would like to get the document or website or your suggest. Thank you
The control of relays
Now,I am learning about the relays. I would like to get the data of rerays May be is documents or website or your suggest.Thank you.
May be the answers useful for you :
1. Do u have back-light.
2. From I observed I see the LED board which This board have the small size LED is very beautiful(light)more than the big size LED and the blackground is black colour.
Last week, I saw a lot of LED at the electronics market.I doubt about the operating of LED which shine the colours.I would like to know the principle of this LED.
VSWR Instrument
Does anyone tell me about VSWR? What is the meaning of VSWR?
and How use do the VSWR? Please tell me any website or document or manual.Thank you.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.
