How is it possible to electrically measure the torque output by a…
A switch can be constructed with any mechanism bringing two conductors…
Bipolar junction transistors (Also known as BJTs) can be used as an…
We’ve already seen one example of a monostable multivibrator in…
What do you think this logic buffer gate will do, with the output…
The Q factor of a series inductive circuit is given by the following…
PARTS AND MATERIALS 4001 quad NOR gate (Radio Shack catalog #…
Perhaps the most challenging aspect of interpreting ladder diagrams,…
Solid-state switching circuits usually keep their constituent…
As we saw with DC measurement circuits, the circuit configuration…
Synchronous motors load the power line with a leading power factor.…
Suppose you were to take a 3 kW electric heater rated for 240 VAC and…
All About Contactors When a relay is used to switch a large amount of…
PARTS AND MATERIALS One 12AX7 dual triode vacuum tube Two power…
A bistable multivibrator has two stable states, as indicated by the…
Most students of electricity begin their study with what is known as…
A switch is an electrical component that can “make” or…
PARTS AND MATERIALS 6 volt battery Power transformer, 120VAC step-down…
Like its bipolar cousin, the field-effect transistor may be used as an…
Don’t just sit there! Build something!! Learning to analyze digital…
We’ve already seen one example of a monostable multivibrator in…
Shaded Pole Induction Motor An easy way to provide starting torque to…
Normally, the rotor windings of a wound rotor induction motor are…
Single Phase Synchronous Motors Single-phase synchronous motors are…
What is an Insulated Gate Bipolar Transistor (IGBT), and what…
Limitations of Electromechanical Relays As versatile as…
Aside from the issues of the physical network (signal types and…
As we saw with DC measurement circuits, the circuit configuration…
Three-Phase Alternator Let’s take the three-phase alternator…
With the notable exception of calculations for power (P), all AC…
This calculator will convert voltage or power gains into decibels. Enter one of the three values and the calculator will output the other two.
This calculator helps you determine the values of the resistors R1 and R2 to be used for a T-pad attenuator.
Mutual inductors are inductors that capitalize the effect of mutual…
Most of us have experienced some form of electric “shock,”…
When a switch is actuated and contacts touch one another under the…
If two coils of wire are brought into close proximity with each other…
One method of addressing the digital ramp ADC’s shortcomings is…
Calculate circuit parameters using Ohm's Law
A circuit with an inductor (L) and capacitor (C) connected in parallel or series will have a resonant frequency at which their impedances are equal. Given two of the three values—inductance, capacitance, or resonant frequency—this tool will calculate the missing third variable.
While the binary numeration system is an interesting mathematical…
The SPICE (Simulation Program, Integrated Circuit Emphesis)…
What does it mean if an integrated circuit comes in DIP form? What…
The structure behind ladder logic is based on the electrical ladder…
PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF…
Capacitors do not have a stable “resistance” as conductors…
Using the same value components in our series example circuit, we will…
