Verification of User Identity in Computer Systems – Part2

Verification of User Identity in Computer Systems – different biometrics recognition technologies were reviewed in Part1. In this video the f...

Verification of User Identity in Computer Systems – Part1

Verification of User Identity in Computer Systems – different recognition technologies are reviewed such as: Fingerprint, Face, Voice, Hand g...

What is an Electronic circuit?

What is an Electronic Circuit? – Koby Plaschkes explains the definition of an Electronic Circuit, including high level explanation of the dif...

Analog Circuit

Kopy Plaschkes review an Analog Circuit with focus on 3 resistors configuration circuitry while explaining how to calculate Equivalent resistance, ...

Ohm’s Law

Koby Plaschkes provides detail explanation of the Ohm’s law and the different ways to calculate it

Power Factor

Power Factor is explained in details by Koby Plaschkes. Others terms explained and calculated include: Reactive power, Real power, Apparent power.


Resistors – all about it, including sizes, internal structure, color code, packages, and more


Capacitors – Types and material, charging and discharging process, series and parallel connections and calculations. Also reviewing electroly...


Coils definition and how related to electromagnetic field. What is a solenoid and how coils are part of Motors and Generators, all these topics are...

Coils – Transformers

Transformer structure, principle of operation and function. Other terms explained: Toroidal coil, Chock coil, Ferrite coil, and Eddy current


Diode – This video contain detailed explanation on Diodes, their characteristics and functionality. Other terms discussed include: Rectifier,...

Calculating Software Licenses Renewal Rates – Basics

Why is it important to calculate licenses renewals?, in this video we will review 3 basic methods to calculate licenses renewal: by # of: Customers...

Perpetual vs Subscription software license

Reviewing different parameters while comparing between perpetual and subscription software license. Parameters considered are cash flow, revenue re...


What is a spin off. The two types: Vertical and horizontal. What drives to perform a spin off. When its worth doing it and when less, and what are ...

Ant Colony Optimization Algorithms

Ant Colony Optimization Algorithms – ACO, is the algorithm for achieving the shorter path between 2 points

Selective Laser Sintering (SLS) for 3D Printing

Selective Laser Sintering technology involves the use of high power concentrated laser for the fusion of tiny particles of plastic, metal etc, into...

Robotics – Human Mimics

This session demonstrate several applications of human mimic and what is required to perform in each cases

Robot Types – Introduction

This session is an introduction to robot types including: Cartesian Robot, Cylindrical robot, Spherical Robot, Parallel-delta robot, SCARA robot, A...

Robot Principal Types and their Work Space

A Robot Working Envelope is defined as the Region of space a robot can encompass, and Working Space is defined as the region in space a robot can f...

Robot Grippers

Koby Plaschkes reviewes different grippers, and their use cases. The grippers reviewed include: Vacuum Grippers, Pneumatic Grippers, Hydraulic Grip...

Wind Turbine Wake Model

In a wind turbine farm, the front row creates air turbulence which must be addressed otherwise the wind turbine farm efficiency will be very low. T...

Off Shore Wind Farm Introduction

Introduction to off shore wind farms, how much is it being used, covering main system elements, top level block diagrams, and reviewing the differe...

Concentrated PV Efficiency

To best understand this video please view first the video “Concentrated PV Tracking principal”. CPV efficiency is derived from 3 main s...

Concentrated PV Tracking Principal

Reviewing the concept, components and structure of a Concentrated PV Tracking system. What are its advantages and what we need to be aware off in o...

PV Site Location and Position based on Sun path and Temperature

How do we determine the best location and position of a solar site? Multiple aspects including temperature, ventilation and maintenance are include...

Solar System Micro Inverters

This video reviews the importance of the micro inverter and its effect on solar panel system efficiency. Examples of typical installation to optimi...

PV Tracking System Introduction

Introducing the concept of tracking the sun systems. This presentation reviews both single axis and dual axis systems. How they work and what is th...


Explanation of the term dBi and what are we using this term to measure

Antenna Gain

Antenna is a passive component! It doesn’t amplify anything….. So… what is this Gain? Detailed explanation in this video

Antenna Efficiency

This video will focus on what Antenna Efficiency is composed from. Term that will be explained include: Dielectric loss, Ohmic loss, Matching VSWR,...

Antenna Space Loss

The space loss represents the reduction of the power density as we get far from the radiating antenna assuming it is spread equally in all directio...

Antenna Noise Temperature

The term Antenna noise temperature is explained in this video

Antenna Far Field, Near Field & Frennel Zone

Detailed explanation for the terms: Far Field, Near Field & Frennel Zone

Antenna Vertical Polarization

Detailed explanation of the term Antenna Vertical Polarization

Antenna Horizontal Polarization

Detailed explanation on Antenna Horizontal Polarization

Antenna Cross Polarization

Detailed explanation on Antenna Cross Polarization

Antenna Circular Polarization

Detailed explanation of Antenna Circular Polarization

Smith Chart Basics

Detailed explanation on Smith chart and how to use it

Diplexer Design

This session will discuss the followings: Smith Chart, Band pass filter view on a smith chart, and a step-by-step Diplexer design process

Matching a Filter in the Lab

Live demo from an RF lab demonstrating a filter matching process

Ohmic Matching

Ohmic Matching – The quarter wavelength impedance transformer. In many cases we wish to match ohmic impedance to another ohmic impedance, the...

RF Circuit Matching Post Production

A live video from a lab demonstrating how to perform RF matching for a post production assembled PCB

RF Matching Techniques – Principles

This session explains how to use the Smith Chart and then reviews basic RF Matching Techniques

Antenna Noise & Link Budget Basics

The following terms are explained and analyzed: Noise Temperature, Far Field, Near Field, Frennel Zone, Space Loss, Link Budget, Frus Formula, Atmo...

Antenna Directivity

The antenna directivity is equal to the gain of the same antenna in case it was ideal. How to calculate and more information is described in this v...

Symmetrical PA and Balun consideration

What are the advantages of using Symmetrical PA’s and what is the use of Balun. Performance and mathematical representation is reviewed in de...

Double Balanced Active Mixer

Double balanced active mixer circuit

Gilbert Cell Topology

Gilbert Cell circuit

VCO Phase Noise

A real oscillators have phase modulated noise components. Details are provided in this video

VCO Design Considerations

VCO’s are usually employed in PLL, functioning as a tunable frequency source that drives both transmit and receive local oscillator circuitry...

VCO Ideal Oscillator

VCO (Voltage Control Oscillator) – Ideal oscillator as explained and analyzed

Phase Noise & VCO Biasing

Detailed analysis of Phase Noise near center Frequency & VCO Biasing. Some Terms listed: Flicker Noise Effect, 1/f, VCO, VCO Biasing, Phase Noise

Measuring VCO’s Phase Noise

Calculation method for measuring VCO’s Phase Noise

Leeson Model for Phase Noise

Leeson model is used as a signal phase noise. Detailed explanation is provided in this video

Mixers Passive Design

Dror Regev explains in details what are mixers, their mathematical representation, their parameters and use cases. Some of the terms included: LNA,...

QAM and OFDM Basics

QAM, Quadrature Amplitude Modulation. OFDM, Orthogonal Frequency Domain multiplexing – is a complex form of modulation that combines QAM and ...

EVM – Where and Why

Error vector magnitude (EVM) is a common figure of merit for assessing the quality of digitally modulated (such as QAM, OFDM) telecommunication sig...

IP Mobility in WiFi Cellular Convergence

This short session is focused on explaining why IP Mobility in WiFi Cellular Convergence is an issue which needs to be resolved

Inter System Mobility Policies

Inter System Mobility Policies between Cellular and WiFi networks are described. Terms included in this session: 3GPP release 8, 3GPP release 10, 3...

Cellular Inter-working with UnTrusted WLAN Networks

This session describes the inter-working connectivity between a Cellular and an UnTrusted WiFi network. Terms included: ePDG – Enhance Packet...

ANDSF – Access Network Discovery & Selection Function

Description of the ANDSF – Access Network Discovery & Selection Function. Terms included: S14, Open Mobile Alliance, OMA, 3GPP TS 24.312...

Cellular Inter-working with Trusted WLAN Networks

This session describes the inter-working connectivity between the two networks. Also discussed, is how is a Cellular operator defines what is a Tru...

Carbon Footprint

This video will explain in depth the meaning of Carbon Footprint. Also discussed is the carbon emission by different industries, and what will be r...

Small Cells Interference Scenarios

A video covering in depth the different interferences scenarions of Small cells in multiple cellular network configurations

Antenna Basics

This video covers at a high level: antennas, including how antenna operates, basic terms such as VSWR, Return loss, Main/side/back lobes, antenna a...

Common Source LNA Voltage Gain

Voltage Gain properties of common source LNA will be discussed in detail in this tutorial

LNA Linearity and IIP3

LNA is the first component in a receiver and its linearity performance is critical for the receiver quality. The important parameters and how do we...

Cellular-WiFi Convergence Part2

This tutorial will discuss what is the ultimate ideal convergence scheme. Also included is a brief review of standardization bodies involved with c...

Cellular-WiFi Convergence Part1

Part1 will focus on what are the motivations for the cellular-WiFi convergence and then the principles and implementation aspects

Voice Service Alternatives for LTE Networks

LTE is a data centric system but voice is still a major service provided by cellular networks. What is required for supporting voice service and mo...

LTE QoS Concepts and Architecture

LTE QoS, What is it all about – routing packets in a limited resource network providing services with different level of priority is a challe...

LTE Multiple Antenna Techniques

LTE has 7 different antennas techniques which all are described and analyzed in this tutorial session

LTE Architecture and System Elements

A comprehensive tutorial reviewing LTE architecture and its system elements as well as discussing the different interfaces

What is Customer Success Function?

What is the purpose of the Customer Success function, and how it is used to drive license renewals with focus on subscription licenses in a SaaS model

LTE Uplink & CS-FDMA

At this tutorial we’ll learn why LTE uses SC-FDMA for providing high data rate through the uplink radio channel and what are the differences ...

Satellite for M2M Communications

M2M market will be reviewed in high level, and the different alternatives for using satellites for M2M communication. Also discussed in this sessio...

Satellite Cellular Backhaul

How satellites can be used for cellular backhaul connection. What are the different consideration to be taken into account when using satellite in ...

Ka-Band Satellites Part2

This session will cover the differences between Satellites designed for broadcast and when designed for data. What are the Ka-band system component...

Ka-Band Satellites Part1

This tutorial reviews Ka-band key characteristics, benefits and main challenges such as rain fade & small beams and what technologies are used ...

VSAT Mobility

This session describes the usage of VSAT for on the ‘Pause’ and on the ‘Move’ applications. How VSAT is different from L-Ba...

VSAT Basics

This tutorial reviews the basics of VSAT in terms of its concept, architecture and how is VSAT communication is used by consumers and businesses

LTE Downlink and OFDMA

At this tutorial we’ll learn how LTE uses OFDMA for providing high data rate through the downlink radio channel while coping with the multipa...

NPS – Net Promoter Score

This video presents the importance of NPS – Net Promoter Score. NPS definition is reviewed and calculation example is provided. Also demonstrated i...