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8 Posts authored by: ciorga Top Member
This is the fifth and last post in the series of fundamental concepts of electric circuits and signals with the Tek 1202B-EDU oscilloscope.  In my previous four posts, I covered circuit analysis (part 1), capacitors (part 2), inductors (part 3), and operational amplifiers (part 4).   In this post, I will look at similarities and differences between analog versus digital signals.  I will be using the new Tek 1202B-EDU Oscilloscope from Tektronix to illustrate these concepts. & ...
Overview   This is the fourth post in the series of fundamental concepts of electric circuits and signals with the Tek 1202B-EDU oscilloscope.  In my previous three posts, I covered circuit analysis, capacitors, and inductors.   In this post, I will present an intuitive and analytical view of operational amplifiers.   I will start by showing how to use operational amplifiers in inverting and non-inverting configurations, as unity buffers, and summing amplifiers. ...
Overview   This is the third blog post in the series of fundamental concepts of electric circuits and signals with the Tek TBS1202B oscilloscope.  In my previous two posts, I discussed circuit analysis laws and capacitors. In this post, I will show an intuitive and analytical view of inductance and inductors.  I will show how energy is stored in inductors and how that energy is released.  Then I will analyze how inductors function in steady state conditions. I will be using ...
Overview   In my previous part 1 and part 2 posts I showed how I started to work on this roadtest, how I setup an RF communication link on the Texas Instruments Value Line Development Kit CC11XLDK-868-915, and how I started to measure various characteristics of the transmitter using  the Agilent/Keysight N9322C spectrum analyzer.  In this post I will continue with the characterization of the transmitter and the communication link.     More Analysis of GFSK Demodulated ...
Overview   In my previous post about the roadtest review of Agilent/Keysight N9322C Spectrum Analyzer and Texas Instruments Value Line Development Kit CC11XLDK-868-915 I showed how I got started with this work, how I setup an RF communication link, and how I started to measure various characteristics of the transmitter.  In this post I will continue with the characterization of the transmitter and the communication link by looking at phase noise, spurs in TX frequency spectrum, and Do ...
Overview   This is the second blog post in the series of fundamental concepts of electric circuits and signals with the Tek 1202B oscilloscope.  In this post I will show an intuitive and analytical view of capacitance and capacitors, then I will analyze charge storage mechanisms and I will compare in two experiments how capacitors charge from a constant voltage source through a resistor versus from a constant current.  Following that I will show how capacitors are used in RC low- ...
A Short Overview   First I would like to express thanks to Keysight/Agilent and Texas Instruments for selecting me to review the N9322C spectrum analyzer and CC11XLDK-868-915 Value Line Development Kit.  I feel fortunate and honored to be one of the three people selected for this roadtest.  I would also like to thank Element14 for organizing this roadtest.   N9322C belongs to the product category of basic spectrum analyzers and covers frequencies from 9kHz up to 7GHz.  ...
A lot of times in my 20+ years of experience I came to the conclusion that very difficult problems that I worked on eventually narrowed down to just fundamental concepts.  This is the first blog post in a series focussed on fundamental concepts of electronic circuits analysis and design.  I will start with the most basic concept of electric current, after which I will present Ohm’s law from an intuitive perspective.  Following that I will talk about time varying electric cur ...

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