How is it possible to assign a fixed value of voltage or current (such…
Electromechanical watt-hour meters use an aluminum disk that is spun…
A permanent magnet is a device that retains a magnetic field without…
In essence, the IGFET controls the base current of a BJT, which…
Charles Proteus Steinmetz’s first job after arriving in America…
So far we have been finding Sum-Of-Product (SOP) solutions to logic…
This tool calculates a capacitor's reactance for a given capacitance value and signal frequency.
PARTS AND MATERIALS Four 6-volt batteries 12-volt light bulb, 25 or 50…
What Is an Instrumentation Amplifier? An instrumentation amplifier…
Although many textbooks provide good introductions to digital memory…
Generally speaking, how many “time constants” worth of time does…
We can subtract one binary number from another by using the standard…
Superposition theorem is one of those strokes of genius that takes a…
Let’s begin with a semiconductor gate circuit in need of…
PARTS AND MATERIALS Audio detector with headphones …
It used to be with large AC power systems that “power…
Definition of a Logarithm “log” denotes a…
PARTS AND MATERIALS Low-voltage AC power supply (6 volt output) Four…
Whenever there is a mismatch of impedance between transmission line…
Explain how an ohmmeter is able to measure the resistance of a…
To express a quantity in a different metric prefix from how it was…
What does the normal status of an electrical switch refer to?…
Metric Prefixes Yotta = 1024 Symbol: Y Zetta = 1021 Symbol: Z…
You may have wondered where we got that strange equation for the…
This tool helps calculate the impedance of an edge coupled microstrip.
“Garbage in, garbage out.” —Anonymous SPICE is a…
Define the following acronyms as they apply to digital logic circuits:…
This calculator computes for the output pulse width of a 555 timer monostable circuit
Safety is very important when designing and/or building a device…
The manufacture of only silicon based semiconductors is described…
Capacitors store energy in the form of an electric field, and…
Don’t just sit there! Build something!! Learning to mathematically…
Shift registers, like counters, are a form of sequential logic.…
PARTS AND MATERIALS Paper tube, from a toilet-paper roll Bar of iron…
Electromechanical relays used to start and stop high-power electric…
This calculator computes the inductance of a microstrip etched on a PCB.
One method of addressing the digital ramp ADC’s shortcomings is…
Constant rule Rule of sums Rule of differences Product rule Quotient…
If a block of P-type semiconductor is placed in contact with a block…
Don’t just sit there! Build something!! Learning to mathematically…
