A summary and tables of the LTE frequency band spectrum allocations for 3G & 4G LTE - TDD and FDD.
All the essential details about the RF frequency counter, how a frequency counter works, and how to use one.
Q Factor or Quality factor used with inductors and other items in resonant circuits to indicate resistive losses, resonant sharpness. It is a key parameter in any filter design.
Design considerations, circuit and formulae (formulas) for a basic LC (inductor capacitor) low pass filter, typically used in radio frequency applications.
A summary or tutorial covering the essentials of the Zener diode or voltage reference diode used in many power supply and other circuits.
1 August 2014
History - It was this day in 1793 that the first definition for the metre was published.
Quote - The future ain't what it used to be. - Yogi Berra
Fact - The first American satellite to be launched into orbit around the Earth was named Explorer 1 and it carried a small scientific payload that eventually discovered the magnetic radiation belts (Van Allen Belts) around the Earth
Essential circuit details, equations and calculations for operational amplifier gain for generic, open and closed loop circuit configurations.
Overview about the free space path loss, FSPL, details, formula and calculator for easy calculations.