This video provides an introduction to the internal components of typical smoke detectors.
A 12-V automotive battery rail is subject to many transients. The purpose of the front-end power…
Transformers with Multiple Secondaries Transformers are very versatile…
PARTS AND MATERIALS Four 6 volt batteries One capacitor, 100 µF…
There are three major kinds of power supplies: unregulated (also…
The Maximum Power Transfer Theorem is not so much a means of analysis…
PARTS AND MATERIALS 4017 decade counter/divider (Radio Shack catalog…
PARTS AND MATERIALS Power transformer, 120VAC step-down to 12VAC,…
∫f(x) dx Calculus alert! One of the fundamental principles of…
A three-phase motor may be run from a single-phase power source.…
Don’t just sit there! Build something!! Learning to analyze digital…
Solid-state switching circuits usually keep their constituent…
PARTS AND MATERIALS One 9V Battery Battery Clip (Radio Shack catalog #…
Don’t just sit there! Build something!! Learning to analyze digital…
In the common-emitter section of this chapter, we saw a SPICE analysis…
Don’t just sit there! Build something!! Learning to mathematically…
Don’t just sit there! Build something!! Learning to mathematically…
Single Phase Synchronous Motors Single-phase synchronous motors are…
PARTS AND MATERIALS Multimeter, digital or analog Assorted batteries…
If the output of a shift register is fed back to the input. a ring…
Varicap or varactor diodes A variable capacitance diode is known as a…
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PARTS AND MATERIALS Four 6-volt batteries 12-volt light bulb, 25 or 50…
Counting practice: count from zero to thirty-one in binary, octal, and…
PARTS AND MATERIALS Multimeter, digital or analog Assorted batteries…
The word battery simply means a group of similar components. In…
All About Diodes A diode is an electrical device allowing current to…
The Mesh-Current Method, also known as the Loop Current Method, is…
When plotted on a curve tracer, the characteristic curve for a normal…
Don’t just sit there! Build something!! Learning to mathematically…
Define what noise means, in the electrical sense of the word. How does…
The final transistor amplifier configuration (Figure below) we need to…
Parts and Materials 6-volt battery 6-volt incandescent…
Don’t just sit there! Build something!! Learning to analyze digital…
This tool calculates a capacitor's reactance for a given capacitance value and signal frequency.
Although transistor switching circuits operate without bias, it is…
If a sinusoidal voltage is applied to an impedance with a phase angle…
A voltage multiplier is a specialized rectifier circuit…
PARTS AND MATERIALS Power transformer, 120VAC step-down to 12VAC,…
Current Source It is possible through the use of electronic amplifiers…
As was previously mentioned, we need more than just a continuous path…
Because batteries create current flow in a circuit by exchanging…
Although transistor switching circuits operate without bias, it is…
Transformers with Multiple Secondaries Transformers are very versatile…
Roman Numerals The Romans devised a system that was a substantial…
PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF…
In the course of learning about electricity, you will want to…
A demultiplexer, sometimes abbreviated dmux, is a circuit that has one…
What is an Operational Amplifier (Op-amp)? Operational Amplifiers,…
It is fairly important to use large value resistors (10 MΩ works…
When the need arises to correct for poor power factor in an AC power…
Arithmetic Sequences An arithmetic sequence is a series of numbers…
Like its bipolar cousin, the field-effect transistor may be used as an…
The circuit shown here is a four-bit analog-to-digital converter…
PARTS AND MATERIALS 4011 quad NAND gate (Radio Shack catalog #…
Resistors vs. Inductors Inductors do not behave the same way as…
PARTS AND MATERIALS Calculator (or pencil and paper for doing…
As with inductors, the ideal capacitor is a purely reactive device,…
It is sometimes useful in logic circuits to have a multivibrator which…
Research the FCC (Federal Communication Commission) guidelines on…
A technician uses a stroboscope to “freeze” the rotation of a…
