The “vocabulary” of instructions which any particular…
Computers can be powerful tools if used properly, especially in the…
What Is an Instrumentation Amplifier? An instrumentation amplifier…
PARTS AND MATERIALS IBM-compatible personal computer with sound card,…
The wires between the tank and the monitoring location is called…
Just as devices have been made to measure certain physical quantities…
PARTS AND MATERIALS Three batteries, each one with a different voltage…
PARTS AND MATERIALS Electronic “keyboard” (musical)…
PARTS AND MATERIALS IBM-compatible personal computer with sound card,…
There are three major kinds of power supplies: unregulated (also…
Don’t just sit there! Build something!! Learning to analyze digital…
The “vocabulary” of instructions which any particular…
The expression of numerical quantities is something we tend to take…
Ammeters Measure Electrical Current A meter designed to measure…
Although transistor switching circuits operate without bias, it is…
Most electrical wire is covered in a rubber or plastic coating called…
Let’s begin with a semiconductor gate circuit in need of…
A diode is an electronics component made from a combination of a…
What do we do if we come across a circuit more complex than the simple…
PARTS AND MATERIALS Paper tube, from a toilet-paper roll Bar of iron…
As the name suggests, the tetrode tube contains four elements: cathode…
In an astable circuit, the output voltage alternates between VCC and 0 volts on a continuous basis.
PARTS AND MATERIALS Sensitive meter movement (Radio Shack catalog #…
So far we have been finding Sum-Of-Product (SOP) solutions to logic…
Inductors do not have a stable “resistance” as conductors…
Introduction Whenever an electric voltage exists between two separated…
This calculator will determine the correct antenna downtilt angle given the heights of the antennas and distance between them.
PARTS AND MATERIALS One NPN transistor—model 2N2222 or 2N3403…
To overcome the challenge of creating necessary DC bias voltage for an…
JFETs, like bipolar transistors, are able to “throttle”…
What is an Encoder? An encoder is a circuit that changes a set of…
In this circuit, the electric motor is supposed to turn on whenever…
