Passive Components

Resistor (R)

Capacitor (C)

Inductor (L)

Crystal Oscillators

Capacitance Equations

Inductance Equations

Reactance (X)

Impedance (Z)

Measuring Unknown R, L, C

Active Components

The p-n Junction

Junction Diode

The Diode Curve

Light-Emitting Diode (LED)

Zener Diode

Bipolar Transistor

Transistor Vce-Ic Curves

Transistor Vcb-Ic Curves

JFET / MOSFET

Silicon-Controlled Rectifier

Triac

555 Internal Block Diagram

How the 555 Operates

Circuit Analysis Principles

Ohm's Law

Kirchoff's Current Law

Kirchoff's Voltage Law

Superposition Principle

Thevenin's Theorem

Norton's Theorem

Millman's Theorem

Digital Electronics

Resistor-Transistor Logic

Diode-Transistor Logic 

Transistor-Transistor Logic

Digital Logic Gates

Tri-state Output Circuit

TTL-to-CMOS Interfacing

CMOS-to-TTL Interfacing

Op Amp-Digital Interfacing

Opto-isolator Level-Shifting

Opto-Coupling Logic Gates

Driving Relays/LEDs

Boolean Algebra

de Morgan's Theorem

Analog Electronics

Transistor Configurations

The BJT as a Switch

BJT Switching Circuits

The Darlington Pair

What is an Amplifier?

Types of Amplifiers

Amplifier Classes

The Long-Tailed Pair

Negative Feedback

Resonance and Q Factor

Low-Pass Filters

High-Pass Filters

Band-Pass Filters

Band-Stop Filters

The Schmitt Trigger

Bridge Circuits

Basic Op Amp Internal Circuit

Power Supply Circuits

Power Supply # 1

Power Supply # 2

Regulated Power Supplies

Negative/Positive Supplies

Multiple +/- DC Supplies

Shunt Voltage Stabilizers

Series Voltage Stabilizers

Op Amp Voltage Regulator

Low-to-High DC Converter

DC Voltage Polarity Inverter

Buffered Voltage Reference

Audio/RF Circuits

Microphone Pre-Amplifier

LM380 Audio Amp Circuits

Simple Audio Amplifier

Non-Inverting AC Amplifier

Inverting AC Amplifier

Simple Audio Mixer

Op Amp Low Pass Filter

Op Amp High Pass Filter

Butterworth Low-Pass Filters

Butterworth High-Pass Filters

Tunable Band Pass Filter

Wien Bridge Notch Filter

Twin-T Notch Filter

Peaking Amplifier

Tone/Waveform Generators

Audible Metronome

Warbler Siren

Tone Burst Generator

3-Mode Tone Generator

555-Based Toy Organ

Voltage-Controlled Oscillator

Sine Wave Generator

Quadrature Oscillator

Multiple Waveform Generator

Variable Frequency Gen.

Switching Circuits

Touch-Triggered Switch

555 Switch Debouncer

Digital Reset Switch

Flip-flop Transistor Circuit

Transistor-based SCR

Motor Control Circuits

DC Motor Driver # 1

DC Motor Driver # 2

Stepper Motor Driver

Timing Circuits

Monostable Multivibrator

Astable Multivibrator

Op Amp Square Wave Gen

Op Amp One-Shot Circuit

555 Astable Multivibrator

555 One-Shot Circuit

2-Frequency PLL Oscillator

Frequency Divider

Sensing Circuits

Op Amp Sound Detector

Light-Activated Buzzer

Darkness-Activated Buzzer

Light-Controlled Oscillator

Comparator Light Detector

Water Level Sensor

Temperature Sensor

Fire Detection Circuit

Event Detection Circuits

Digital Counter Circuits

Missing Pulse Detector

Peak Voltage Detector

Event Interruption Alarm

Window Comparator

Mathematical Function Circuits

Non-inverting Amplifier

Voltage Doubler

Voltage Squaring Circuit

Absolute Value Circuit

Differentiator Circuits

Integrator Circuits

Measurement Circuits

Op Amp 'Bar Graph' Voltmeter

3914 'Bar Graph' Voltmeter

Low-Voltage AC Voltmeter

Bridge Transducer In-Amp

Simple Frequency Meter

Other Circuits

AC Lamp Flasher

Simple Logic Probe

Electronic Combination Lock

Sound-to-Dancing Lights Conv.

Op Amp Summer DAC

R-2R Ladder Network DAC

Clipper / Inverting Clipper

Ultrasonic Transmitter

Ultrasonic Receiver