The 555 timer IC was first introduced around 1971 by the Signetics Corporation as the SE555/NE555 and was called “The IC Time Machine” and was also the very first and only commercial timer ic available. It provided circuit designers and hobby tinkerers...
Basic Understanding of Valves: The vacuum tube, in its very primitive form, evolved from the light bulb. Invented by Thomas A Edison in 1883, the incandescent lamp, had 3 basic necessities to operate: The Envelope, The Filament, The Vacuum The envelope is basically a...
We have already discussed two terms VOLTAGE and CURRENT. Now it is time to discuss them further. VOLTAGE is the term used to describe the electrical “pressure” or difference of potential that we spoke of earlier. Just as water pressure is the force in...
Whenever we work with circuits in the real world, they are seldom as straightforward as a simple series or parallel circuit. Normally, they are a combination of the two, called a SERIES-PARALLEL circuit. While they look forbidding at first, you must keep in mind that...
Ohm’s Law teaches us that Voltage is equal to the product of resistance and current. This is fine if we have a circuit as simple as a single light run by a battery. But how often do we truly encounter a circuit which has only one resistance? It is actually quite...
