Don’t just sit there! Build something!! Learning to analyze digital…
This calculator computes the power received by an antenna using Friis formula
(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…
The Bel is Used to Represent Gain In its simplest form, an…
This calculator computes the noise figure and noise temperature in a system
This calculator determines the wavelength of a signal given the frequency and dielectric constant.
It is sometimes desirable to have circuits capable of selectively…
The Voltage Gain Because amplifiers have the ability to increase the…
Pulse Width Modulation (PWM) uses digital signals to control power…
Varicap or varactor diodes A variable capacitance diode is known as a…
What is Conductance? In the study of DC circuits, the student of…
A high-pass filter’s task is just the opposite of a low-pass…
What is a harmonic frequency? If an oscillator circuit outputs a…
Research the FCC (Federal Communication Commission) guidelines on…
A helpful tool for computing the Effective Isotropic Radiated Power (EIRP) of an antenna
This calculator computes the inductance of a microstrip etched on a PCB.
This calculator helps you determine the values of the resistors R1 and R2 to be used for a Pi Attenuator.
This calculates values of the inductance, capacitance of an inductor and capacitor used in a Butterworth LC bandpass filter.
A tool designed to calculate the noise figure of cascaded amplifiers
Decibel as Absolute Unit of Power It is also possible to use the…
Shaded Pole Induction Motor An easy way to provide starting torque to…
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The invention of the bipolar transistor in 1948 ushered in a…
What, exactly, is an arbitrary waveform generator, and for what…
∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…
In this hands-on electronics experiment, you will build a programmable non-inverting amplifier and learn how to use the negative feedback of an operational amplifier to control the gain.
While Oersted’s surprising discovery of electromagnetism paved…
If you’ve used DOS or UNIX operating systems before in a…
The Skin Depth of Copper in Electrical Engineering As previously…
In these hands-on semiconductor electronics experiments, learn to build and test circuits using discrete silicon (Si) devices, including diodes and transistors. Also, learn important circuit designs, including rectifiers, current mirrors, amplifiers, and oscillators.
The Programmable Logic Controller, or PLC, was invented in the late…
The choice of step-down transformers to use in a project such as this…
Don’t just sit there! Build something!! Learning to mathematically…
Many electronic circuits use what is called a split or a dual power…
In Millman’s Theorem, the circuit is re-drawn as a parallel…
The bipolar junction transistor (BJT) was named because its operation…
In this hands-on semiconductor electronics experiment, build a voltage follower amplifier using a bipolar junction transistor (BJT) in common-collector configuration and learn about circuit ground and impedance transformations.
In the last section, we learned what would happen in simple…
Current Components in a series circuit share the same current: Itotal…
As we saw with DC measurement circuits, the circuit configuration…
Although many textbooks provide good introductions to digital memory…
Capacitors do not have a stable “resistance” as conductors…
With addition being easily accomplished, we can perform the operation…
It has been found that any repeating, non-sinusoidal waveform can be…
AC electromechanical meter movements come in two basic arrangements:…
In this hands-on electronics experiment, build a blue LED flasher using a 555 timer and learn the basic theory of a voltage doubler using a transistor switch and a capacitor.
Example Derivatives of e Proportionality Constant When we say that a…
Notice something important here: taking the derivative of f(x)…
Ladder diagrams are specialized schematics commonly used to document…
Every meter impacts the circuit it is measuring to some extent, just…
Varicap or varactor diodes A variable capacitance diode is known as a…
Periodic table of chemical elements.
Shown here is the schematic symbol for a resistor: What is the purpose…
In the design of large and complex digital systems, it is often…
∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…
Don’t just sit there! Build something!! Learning to mathematically…
Identify which direction each potentiometer wiper must move in this…
Don’t just sit there! Build something!! Learning to mathematically…
A meter is any device built to accurately detect and display an…
If a block of P-type semiconductor is placed in contact with a block…
