More about Noise (113)

6-05-2013 | Uses Zener diodes to generate avalanche noise signal, then differential amplifier (and a few analog filters) to eliminate deterministic effe...

6-05-2013 | Zener diode noise is processed, captured and recorded on an SD card. Passes all NIST tests for random signals.

25-02-2013 | from the lab (1-8-2013)We changed a few things to the original design. We removed the RS232 connecter and with it a MAX232A. In its place we...

25-02-2013 | from the lab (1-8-2013)We changed a few things to the original design. We removed the RS232 connecter and with it a MAX232A. In its place we...

16-04-2012 |  Measure video, electromagnetic signals and position to make an Electromagnetic Smog MapAll around is there are electromagnetic fields. Some...

1-07-2011 | The low dropout voltage regulators from the LM2931 series are not just useful for powering microcontroller systems — they can also act as a...

1-05-2011 | Decent potentiometers for setting the volume in amplifiers are still quite expensive. However, there is a cheaper alternative, and it’s bett...

1-05-2011 | Generally speaking, audio-oriented enthusiasts tend to dislike noise and would rather see the back of it. However, for once it was the oppos...

1-07-2010 | A noise generator with a wideband output signal is always handy to have around when you’re adjusting receivers and other types of HF equipme...

16-03-2010 | Researchers at the University of Wisconsin-Madison discovered a new way to 'generate' hydrogen. Using noise and vibrations they were able to...