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if we have a Transformer having no any label for current rating and voltage rating of primary and secondary winding then how can we calculate ampere and voltage rating of both windings and how can we know that this is a step up or step down transformer?
Hi, i am posting the fullwave center tapped rectifier circuit diagram can any one tell me that how can I calculate Dc voltage which is observed by the RL or load? is there any formula to calculate DC voltage in this type of circuit? secondary voltage here is 6 plus 6 rms and each diode is...
Hi, i am posting the fullwave center tapped rectifier circuit diagram can any one tell me that how can I calculate Dc voltage which is observed by the RL or load? is there any formula to calculate DC voltage in this type of circuit?
By adding a second (D-flip flop), to couple to the first D-flip flop makes it into a (master-slave) flip flop.
I needed to reduce the "NAND" gate pull up resistors from 470K ohms, down to 100K ohms, to keep the outputs more stable, otherwise there was false triggering, due to more components...
Now, next I build a two input "NAND" gate.
No design calculations here, just put it together, and through trial and error, pick the right resistor values, that work properly with the rest of the circuit.
I found that the 100K base resistors works fine for activating the "NAND" gate,
also by...
To make a "data storage circuit" known as a flip flop, it begins with two inverters, coupled back to back, so the output of one feeds the input of the other, and vise versa.
This is a tutorial of how to design a very basic digital circuit for storing data known as a flip flop.
This tutorial...
I finally built that circuit and It works fine.
I thank the forum members which gave me some suggestions:
http://forum.allaboutcircuits.com/showthread.php?t=41760&page=2 (in my last post you can find the right schematic)
http://forum.allaboutcircuits.com/showthread.php?t=41460 (how to...
Bill Mardsen's Blog covers these quite nicely, so this is a quick bookmark for it. :)
Today in writting my 2nd blog..the story continue form the first.. i managed to repair & get working another light stringwas working fine when i installed it against the window..
Every thing was fine, but then yesterday afternoon, weather was bad & we had unexpected rain.. After the rain, first...
List of PDFs that are useful for learning Operation Amplifiers. A couple are complete books on OpAmps.
http://mxp.physics.umn.edu/f04/Lecture/OpAmpNotes.pdf
Texas Instruments Handbook of OpAmp Applications book
Op Amp Basics. It goes a bit beyond Basics, into theory and origin, as well as...
Today is the day I'm writting a blog..Got inspired by someone....thats a different story all togahter...
But today was a hell of a day.. Diwali festival is on tommrrow & was preparing the decorations...Man, i hate those chinese products..very unrelaible.. I installed the decorative light garland...
Compiled from a few sources on the web...
UVC 100-290 nm
UVB 290-320 nm
UVA 320-400 nm
Blue - 475 nm
Teal - 495 nm
Green - 510 nm
Yellow - 570 nm
Orange / Amber - 590 nm
US Taillight Red - 633 nm
Red - 650 nm
Near Infrared NIR 0.78 - 3 µm
Mid Infrared MIR 3 - 50 µm
Far Infrared FIR 50 -...
Well, I;m gigglin like a school girl now. Been a while but I finally finished my Power supply and the thing actually works!!! Thats two working projects and as soon as the ribbon connectors arrive I will probably have 4 or 5 depending on which stepper boards I hook up. The AVTHC project is...
Hi everyone
This is a much better version and it is to be the FINAL one. I should have done Z80 programming before making a program. Now i know EXACTLY what i need:
THe computer is comming along nicely, 6 registers A to F and i have a good system to make it flexable:
There are two bytes...
What is an IPN?
The Interplanetary Internet is being designed to be a network that connects a series
of Internets. These internets would be located on planets and moons, or aboard
spacecraft.It is the means whereby Earth's nervous system expands outwards across the...
6 LED display with 3 output pins. ASM code and video link attached. The video should play with realplayer. It should also fit on a 10F200 with minor modification.
I'm going to make a tiny PCB and use 0402 surface mount LEDs (0.5mm X 1mm).
The display part will probably be 5mm X 1mm...
FCC on 2002 approves the use of unlicensed UWB for commercial purposes.
Although UWB technology is old, its application for
communication is relatively new, thanks to FCC.
Some mind-boggling applications including UWB Radar, Wireless USB, Wireless PAN, UWB
Endoscope,.(keep going)....I am...
Hi everyone,
I want this sram, and this one only!
http://www.farnell.com/datasheets/63505.pdf
Im having problems understanding the read and write cycles.
Can someone out there just explain what needs to happe on each clock cycle. Why cant manufactuers have simplified documents :(
