Details of the A4WP wireless charging standard and how it differs to other similar standards.
DIAC - DIode Alternating Current summary and tutorial giving explanations of technology, structure, operation, and use in various switching circuits.
Details of VoLTE Voice over LTE the IMS IP Multimedia Subsystem based technology supported by GSMA for providing a unified format for Voice traffic over LTE channels.
Notes and details of the essentials of Yagi antenna feed impedance, what governs it and the ways to match a Yagi antenna.
Essentials of Frequency Modulation, FM, what it is, how it works, bandwidth sidebands and all the relevant details.
27 November 2014
History - It was on the night of 27th November 1923 that the first transatlantic short wave radio contact was made. It took place between radio hams: Leon Deloy (8AB) in France and Fred Schnell (U1MO) in the USA.
Quote - Before you criticize someone, walk a mile in their shoes. That way, you'll be a mile from them, and you'll have their shoes. - Jack Handey, Deep Thoughts
Fact - Jack Kilby's first integrated circuit contained just one transistor. Today the Intel Itanium 2 contains 410 million.
Details of the emitter follower or common collector transistor amplifier configuration.
All the essential details about the RF frequency counter, how a frequency counter works, and how to use one.