Charles Proteus Steinmetz’s first job after arriving in America…
Don’t just sit there! Build something!! Learning to analyze digital…
Explain the operation of this “H-bridge” motor control circuit: At…
Perhaps the most challenging aspect of interpreting ladder diagrams,…
PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…
Project Parts and Materials Automotive alternator (one required, but…
Don’t just sit there! Build something!! Learning to mathematically…
Don’t just sit there! Build something!! Learning to analyze digital…
A tool designed to convert between units of torque
The interlock contacts installed in the previous section’s motor…
At first it may seem pointless to have the four buffer gates following…
As an electric current is passed through a coil of wire, it creates a…
PARTS AND MATERIALS One 12AX7 dual triode vacuum tube Two power…
Charles Proteus Steinmetz’s first job after arriving in America…
Just as devices have been made to measure certain physical quantities…
Pulse Width Modulation (PWM) uses digital signals to control power…
A chandelier has five light bulbs in it, and one of them is not…
Electromechanical watt-hour meters use an aluminum disk that is spun…
It is sometimes said regarding electrical safety that, Ït’s not the…
After the introduction of the DC electrical distribution system by…
A three-phase motor may be run from a single-phase power source.…
PARTS AND MATERIALS One N-channel junction field-effect transistor,…
PARTS AND MATERIALS Power transformer, 120VAC step-down to 12VAC,…
Parts and Materials Multimeter, digital or analog Assorted resistors…
This calculator will compute the required resistor ratio (R2/R1) and reference voltage (VREF) to create the desired high (VTH) and low (VTL) threshold voltages in a non-inverting comparator circuit with hysteresis (commonly called a Schmitt trigger).
For extremely high-frequency applications (above 1 GHz), the…
Instrumentation is a field of study and work centering on measurement…
“AC” stands for Alternating Current, which can refer to…
Three-Phase Alternator Let’s take the three-phase alternator…
When a switch is actuated and contacts touch one another under the…
PARTS AND MATERIALS Two 6-volt batteries Two NPN…
The peak voltage calculator calculates peak voltage values from the peak-to-peak voltage, RMS voltage, or average voltage.
Normally, the ampacity rating of a conductor is a circuit design…
At the start of this book, we discussed static electricity and how it…
Since three-phase is used so often for power distribution systems, it…
“All men are liable to error;” —John Locke Whereas…
There are not too many circuit symbols for bipolar transistors. There…
Solid Cooper Wire Table Size Diameter (inches) Cross-sectional area…
PARTS AND MATERIALS Low-voltage AC power supply Two audio speakers…
So far, the filter designs we’ve concentrated on have employed…
If we examine a four-bit binary count sequence from 0000 to 1111, a…
