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LC Resonant Frequency Calculator

Tools

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.

Example Circuits and Netlists

Textbook

The following circuits are pre-tested netlists for SPICE 2g6, complete…

Mixed-Frequency Signals

Worksheets - Filters

What is a harmonic frequency? If an oscillator circuit outputs a…

Analog-to-Digital Conversion

Worksheets - Filters

The circuit shown here is a four-bit analog-to-digital converter…

RC Time Constant Calculator

Tools

The time constant of a series RC circuit is the product of the resistance and capacitance. Given two of the three values—resistance, capacitance, or RC time constant—this tool will calculate the missing third variable.

The Cascode Amplifier

Textbook

While the C-B (common-base) amplifier is known for wider bandwidth…

Biasing Techniques (BJT)

Textbook

In the common-emitter section of this chapter, we saw a SPICE analysis…

Junction field-effect transistors (JFET)

Worksheets - Filters

Don’t just sit there! Build something!! Learning to mathematically…

Bipolar Junction Transistor (BJT) theory

Worksheets - Filters

Don’t just sit there! Build something!! Learning to mathematically…

Si Lab - JFET Current Regulator

Textbook

In this hands-on semiconductor electronics experiment, build a junction field-effect transistor (JFET) current regulator and learn some of the advantages of JFETs over BJTs for current regulation.

OpAmp Oscillator Circuits

Worksheets - Filters

Don’t just sit there! Build something!! Learning to mathematically…

Meter Check of a Transistor (JFET)

Textbook

Testing a JFET with a multimeter might seem to be a relatively easy…

Battery Life Calculator

Tools

This calculator provides three options—basic, intermediate, and advanced—for determining expected battery life for microcontroller, Internet of Things (IoT), and edge processing systems with up to four different operating modes.

Calculus for Electric Circuits

Worksheets - Filters

∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…

Decibel Calculator

Tools

This calculator will convert voltage or power gains into decibels. Enter one of the three values and the calculator will output the other two.

Transistor Biasing Calculations

Textbook

Although transistor switching circuits operate without bias, it is…

Junction Field-effect Transistors

Textbook

The field effect transistor was proposed by Julius Lilienfeld in US…

Semiconductor Devices in SPICE

Textbook

The SPICE (Simulation Program, Integrated Circuit Emphesis)…

Analog Lab - Op Amp Integrator

Textbook

In this hands-on electronics experiment, you will build an analog integrator using an operational amplifier and learn about integration functions, op amp input bias currents, and how to limit the voltage swing of a potentiometer.

Special-purpose Diodes

Textbook

Schottky diodes Schottky diodes are constructed of a metal-to-N…

DC Bridge Circuits

Worksheets - Filters

Don’t just sit there! Build something!! Learning to mathematically…

Active-mode Operation (JFET)

Textbook

JFETs, like bipolar transistors, are able to “throttle”…

SPICE Simulation of Series and Parallel Circuits

Textbook

Previously, we examined series circuits and parallel circuits using…

Si Lab - Full-wave Bridge Rectifier With Output Filtering

Textbook

In this hands-on semiconductor experiment, build an improved full-wave rectifier with output filtering and learn about capacitive filtering in AC-to-DC power converters.

Series and Parallel Capacitors

Textbook

When capacitors are connected in series, the total capacitance is…

The Bipolar Junction Transistor (BJT) as a Switch

Textbook

Bipolar junction transistors (Also known as BJTs) can be used as an…

Complex Vector Addition

Textbook

If vectors with uncommon angles are added, their magnitudes (lengths)…

Feedback

Textbook

If some percentage of an amplifier’s output signal is connected…

Magnetic Fields and Inductance

Textbook

Whenever electrons flow through a conductor, a magnetic field will…

Active-mode Operation (BJT)

Textbook

When a transistor is in the fully-off state (like an open switch), it…

Transistors, junction field-effect (JFET)

Textbook

Note that the direction of the arrow at the gate indicates the…

Voltage Regulation

Textbook

As we saw in a few SPICE analyses earlier in this chapter, the output…

Oscillator Circuits

Textbook

Phase shift oscillator. R1C1, R2C2, and R3C3 each provide 60° of…

Transistor Biasing Calculations

Textbook

Although transistor switching circuits operate without bias, it is…

DC Lab - Potentiometer as a Rheostat

Textbook

In this hands-on electronics experiment, you will use a potentiometer as a variable resistor to control the speed of a motor and learn how to connect a potentiometer as a rheostat.

Shift Registers

Worksheets - Filters

Don’t just sit there! Build something!! Learning to analyze digital…

Converting Between Thevenin and Norton Equivalent Circuits

Textbook

Since Thevenin’s theorem and Norton’s theorems are two…

Bipolar Junction Transistors in Active Mode

Worksheets - Filters

Don’t just sit there! Build something!! Learning to mathematically…

The “Operational” Amplifier

Textbook

Long before the advent of digital electronic technology, computers…

Why L/R and not LR?

Textbook

Learn About L/R Time Constants It is often perplexing to new students…

Common Derivatives

Textbook

    RELATED WORKSHEETS: Calculus for Electric Circuits…

Enhancement-type IGFETs

Textbook

Derivatives of Power Functions of e

Textbook

Example Derivatives of e Proportionality Constant When we say that a…

Pulse Width Modulation

Textbook

Pulse Width Modulation (PWM) uses digital signals to control power…

Numbers and Symbols

Textbook

The expression of numerical quantities is something we tend to take…

Si Lab - Astable Multivibrator Audio Oscillator

Textbook

In this hands-on semiconductor electronics experiment, build an astable multivibrator (oscillator) circuit that provides an output in the audio frequency range and learn the effect of component values and supply voltage on oscillation frequency.

Oscillator Circuits

Worksheets - Filters

Don’t just sit there! Build something!! Learning to mathematically…

Impedance Transformation

Textbook

Standing waves at the resonant frequency points of an open- or…

Trigonometric Derivatives

Textbook

    RELATED WORKSHEETS: Calculus for Electric Circuits…

Factoring Equivalencies

Textbook

Factoring Identities :   a2 - b2 = (a + b) (a - b) a2 + 2ab + b2…

Capacitors

Worksheets - Filters

Identify some of the different types of capacitors, and their…

Protective Relays

Textbook

A special type of relay is one that monitors the current, voltage,…

Programmable Logic Technology

Worksheets - Filters

Define the following acronyms as they apply to digital logic circuits:…

Decibel Calculator

Tools

This calculator will convert voltage or power gains into decibels. Enter one of the three values and the calculator will output the other two.

Superconductivity

Textbook

Conductors lose all of their electrical resistance when cooled to…

Conductor Ampacity

Textbook

The smaller the cross-sectional area of any given wire, the greater…

Conventional Versus Electron Flow

Textbook

“The nice thing about standards is that there are so many of…

Harmonics in Polyphase Power Systems

Textbook

In the chapter on mixed-frequency signals, we explored the concept of…

Soldering

Worksheets - Filters

Both soldering irons and soldering guns are tools used in the process…

Converting Truth Tables into Boolean Expressions

Textbook

In designing digital circuits, the designer often begins with a truth…