What is Single Side-band? Before you can understand what SSB is, you must understand how audio is transmitted via...
Amateur Radio Theory Articles
Quad Amplitude Modulation
Quadrature Amplitude Modulation (QAM)- Brief Discussion I & Q modulation, A.K.A., QAM, is a method for sending two...
Modulation Demodulation
Modulation/Demodulation is a Nonlinear Process where Two Sinusoids are Multiplied (F1 x F2). The Product of this...
Mutual Inductance and Inductive Reactance
The formula for inductors in parallel: When AC is applied to a coil, a varying magnetic field will be produced around...
Resonance
In this circuit, we have a resistor, a capacitor, and a coil in series. Because the coil and the capacitor act in an...
Conductors & Insulators
Conductor is the name assigned to a broad catagory of materials through which a practical amount of electric current...
Phase
Phase is the timing relationship between two different sine waves. If two generators are connected across a given load...
Inductors
No matter which way we turn or twist the wire, the left hand rule applies. But what happens if we put a loop in the...
Alternating Current
There are various ways to produce electricity. We can produce electricity chemically with a battery or electricity can...
Glossary of Electronics terms
AMPLITUDE: The magnitude of change in a varying quantity from it's zero value. Usually measured in Voltage, or...
Class C Amplifiers
Class C Amplifiers You will recall that most AF amplifiers use cathode bias. The audio amplifier tubes are operated ad...
Nickel Cadmium Batteries
Introduction Nickel-Cadmium batteries can save much time and money when they are used to replace other non-chargeable...