One of the more fascinating applications of electricity is in the…
(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…
This calculator calculates the free space loss, given the distance, frequency, and gain, between two antennas.
Don’t just sit there! Build something!! Learning to analyze relay…
A Link Budget puts into account all gains and losses a signal goes through in a system as it is transmitted. The calculator calculates the power of the received signal given amplifier and antenna gains, and medium loss.
“I think it is safe to say that no one understands quantum…
Schottky diodes Schottky diodes are constructed of a metal-to-N…
What does the acronym RF stand form, in reference to radio-related…
Research the FCC (Federal Communication Commission) guidelines on…
Normally, the rotor windings of a wound rotor induction motor are…
The field effect transistor was proposed by Julius Lilienfeld in US…
Suppose you were to take a 3 kW electric heater rated for 240 VAC and…
Shown here is a simplified representation of an atom: the smallest…
Capacitance Formula Permittivity of Dielectric …
Boolean algebra finds its most practical use in the simplification of…
SCRs are unidirectional (one-way) current devices, making them useful…
The discovery of the relationship between magnetism and electricity…
In designing digital circuits, the designer often begins with a truth…
This calculator determines the bias and feedback of resistors for an inverting op-amp.
The normal data inputs to a flip flop (D, S and R, or J and K) are…
To overcome the challenge of creating necessary DC bias voltage for an…
Don’t just sit there! Build something!! Learning to mathematically…
Serial-in, serial-out shift registers delay data by one clock time for…
A modern method of electrical power control involves inserting a…
When calculating the power dissipation of resistive components, use…
Wire-by-Number project: simple voltage divider Description: Build a…
Power measurement in AC circuits can be quite a bit more complex than…
When first approaching a failed or otherwise misbehaving system, the…
A modern alternative to sending (binary) digital information via…
Don’t just sit there! Build something!! Learning to mathematically…
Explain the difference between a balanced polyphase system and an…
Don’t just sit there! Build something!! Learning to mathematically…
A switch is an electrical component that can “make” or…
Since the enable input on a gated S-R latch provides a way to latch…
Let’s begin with a semiconductor gate circuit in need of…
OK, so how exactly can we represent AC quantities of voltage or…
This calculator helps determine the maximum temperature a device can withstand
Bipolar junction transistors (Also known as BJTs) can be used as an…
Power measurement in AC circuits can be quite a bit more complex than…
We’ve already seen one example of a monostable multivibrator in…
The word battery simply means a group of similar components. In…
PARTS AND MATERIALS Sensitive meter movement (Radio Shack catalog #…
In designing digital circuits, the designer often begins with a truth…
Suppose we wished to measure the resistance of some component located…
One of the more advanced ADC technologies is the so-called…
PARTS AND MATERIALS 4511 BCD-to-7seg latch/decoder/driver (Radio…
As opposed to normal equations where the solution is a number, a…
Fallacious reasoning and poor interpersonal relations account for more…
