In this live RCL taillight demonstration at CES in Las Vegas, you can see the capabilities of…
This tool is designed to calculate the maximum distance (range) that a radar can detect
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.
Early in my explorations of electricity, I came across a length of…
This calculator helps you determine the values of the resistors R1 and R2 to be used for a bridged-tee attenuator.
Don’t just sit there! Build something!! Learning to analyze digital…
In very simple, qualitative terms, rate the impedance of capacitors…
This calculator computes the power received by an antenna using Friis formula
The Q, or quality, factor of a resonant circuit is a measure of the…
This balanced attenuator calculator helps you determine the resistor (R1) values for a balanced attenuator.
A helpful tool for computing the Effective Isotropic Radiated Power (EIRP) of an antenna
What voltage will you choose to use for each of the station batteries?
This calculator will determine the correct antenna downtilt angle given the heights of the antennas and distance between them.
PARTS AND MATERIALS Electromagnet from previous experiment Permanent…
A calculator for computing several parameters needed in the design of a flyback switch mode regulator
Guidelines to Series-Parallel Combination Circuit Analysis The goal of…
Convert to and from different units of length, weight, power, temperature and torque
In the chapter on mixed-frequency signals, we explored the concept of…
You may have wondered where we got that strange equation for the…
Single Phase Synchronous Motors Single-phase synchronous motors are…
Feedback is a fascinating engineering principle. It can turn a rather…
What do we do if we come across a circuit more complex than the simple…
Don’t just sit there! Build something!! Learning to analyze digital…
Suppose a 12 volt lead-acid battery has an internal resistance of 20…
Safety is very important when designing and/or building a device…
Voltage is commonly defined as “electrical pressure.” The unit of…
In the last section, we saw how the 3rd harmonic and all of its…
All entries arranged in alphabetical order of surname. Major…
As we’ve seen, negative feedback is an incredibly useful…
PARTS AND MATERIALS Three NPN transistors—model 2N2222 or 2N3403…
Explain how an ohmmeter is able to measure the resistance of a…
Why learn about Karnaugh maps? The Karnaugh map, like Boolean…
Impedance Matching Because transformers can step voltage and current…
The field effect transistor was proposed by Julius Lilienfeld in US…
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A very important measurement in many liquid chemical processes…
PARTS AND MATERIALS Three NPN transistors—model 2N2222 or 2N3403…
PARTS AND MATERIALS IBM-compatible personal computer with sound card,…
Shown here is a simplified representation of an atom: the smallest…
While the C-B (common-base) amplifier is known for wider bandwidth…
PARTS AND MATERIALS Two 6 volt batteries One potentiometer, single…
A serial-in, parallel-out shift register is similar to the serial-in,…
PARTS AND MATERIALS Four 6 volt batteries One capacitor, 100 µF…
Capacitors store energy in the form of an electric field, and…
PARTS AND MATERIALS Low-voltage AC power supply (6 volt output) Four…
Shaded Pole Induction Motor An easy way to provide starting torque to…
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Because the relationship between voltage, current, and resistance in…
A common phrase heard in reference to electrical safety goes something…
Since transformers are essentially AC devices, we need to be aware of…
Practical Benefit of Active Devices The practical benefit of active…
Most of us have experienced some form of electric “shock,”…
