Transformers are most frequent nowadays in the magnetic structures that are in use in many devices. The ideal…
Transistor as an amplifier
A transistor is a three-terminal semiconductor device that can perform amplification and switching functions. The operation of a…
Wireless network definition
This post answers the question "What is definition of wireless network?". The most important part in understanding how…
WLAN radio architecture and characteristics
WLAN radio is characterised with the following characteristics: sensitivity; selectivity; dynamic range; switch states. At the same time…
Linear Variable Differential Transformer (LVDT)
A Linear Variable Differential Transformer (LVDT) is a displacement transducer, used to measure displacement, based on the effect…
Discrete LTI systems
This post answers the question "What is discrete LTI system?". It is useful to consider discrete-time signals as…
Fourier function representation
This post covers topic of fourier representation of a function. Most signals are represented with a set of…
Fourier transform for continuous-time functions
This post covers the topic of fourier transform for continuous signal. Let's consider a Fourier representation of aperiodic…
Fourier transform for discrete-time periodic function
Here we consider Fourier transform for discrete-time periodic function. Let's consider the discrete-time Fourier-representation of a function fn=1N∑-∞∞anejn2πnK,…
LTI systems and their properties
This post covers properties of LTI system. Linear-time invariant systems, that were partially discussed before, play an important…