Knowing what a diode is, or how a triode works is of little use unless you have some practical knowledge of how it can be applied within a circuit. We are going to begin with a VERY basic schematic of an early transmitter. Do NOT try to build this at home!

( Read more )

Up to now, you have learned something about the diode vacuum tube and how it works. The most important point to rember about the diode is that it only allows current to flow IN ONE DIRECTION.

( Read more )

Knowing that magnetism and electronics are related is a very important lesson. Just how important will become evident in the next few lessons, as we will be discussing the interaction of electricity and magnetism in greater detail.

( Read more )

… Sometimes it’sthe little things we overlook that bite us the hardest; this one’s a no-brainerbut easy to overlook…
— The company does not have an incident response policy An IDS ispretty worthless if you don’t also have an incident response policy in place.Develop an incident response policy so there are clear lines of responsibilityand reporting. Also clearly delineate how, where, and to whom to reportsuspicious activity.

-

( Read more )

…g…
Your OS also needs to be completely patched, not just at rollout, but updated and maintained as they are released. Although hardware firewalls

( Read more )

Powercast, a US-based wireless power and energy-harvesting company, has introduced a wireless sensor system that works inside buildings.

The importance of this system can be a RF transmitter used to power a number of sensors over a distance of 80 feet.

( Read more )

GlobTek GS-480 UPS design delivers up to 50W continuous power while charging a Li-ion battery (12V 38W 6Ahr to 12.6 V).
Models are controlled by single or dual DC outputs that accept wide input range of 85-264VAC or DC input 9-18V, and offer low ripple and Class B EMI filter.


( Read more )

Unipower Corporation announces the latest addition to its Bluestreak range of high-density, hot-swappable modular rectifiers and front ends.
Unipower's Bluestreak modules can load up to 2,000 W from a 1U package with power densities as high as 24W/in and efficiency levels to 92 percent to 75 percent.


( Read more )

Harland Simon UPS develops and manufactures a range of standard extended runtime battery packs for a user to increase the battery back-up time on an uninterruptible power supply (UPS) to provide.
Autonomy can be increased from several minutes to several days to meet a user's requirements accurately Extended battery packs at point of sale are sold or retrofitted to an existing UPS.


( Read more )

Harland Simon UPS has the Novus FXM UPS series, the constant and reliable backup power has introduced for transport, security and telecommunications applications.


( Read more )