Design considerations, circuit and formulae (formulas) for a basic LC (inductor capacitor) high pass filter.
A summary or tutorial description of RF & microwave power meter technology and measurement.
A summary of different LED characteristics - colour, voltage drop, intensity, etc arising from the different materials and fabrication technologies used.
A summary or tutorial about the basics of cell phone electronics and what is contained within a mobile phone.
An overview of HF ionospheric radio propagation for prediction and network planning, detailing the way in which radio signals are reflected or refracted over vast distances around the earth on the short wave or HF bands using the D, E and F layers in the ionosphere.
6 July 2015
Quote - Education is the most powerful weapon you can use to change the world. - Nelson Mandela
Fact - There are several words that contain the five vowels in order: abstemious and facetious. Other specialist words include: acheilous, anemious, annelidous, arsenious and caesious
Circuit and design details for an operational amplifier, op-amp inverting amplifier configuration, allong with its use as a summing amplifier / virtual earth mixer.
Description of capacitor permittivity and dielectric constant with equations and a table of values for common materials and substances.