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John Santiago Male
Colorado Springs
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John Santiago

Overview and Introduction to the z-Transform (Polynomial & Rational Functions)

Here's the first of a series on the z-Transform. Comments are welcomed.

We introduce the z-transform bringing polynomials and rational functions to help analyze linear discrete-time systems. The discrete-time convolution (or FIR convolution) is equivalent to polynomial multiplication and algebraic operations in the z transform domain can be translated as combining or decomposing linear time-invariant (LTI) systems. The most common z-transforms are rational functions, that is, the numerator poly… Continue

Posted on July 6, 2009 at 6:53am —

John Santiago

Circuit Analysis - Thevenin Equivalent and Resistance - Part 1

In many design instances, we frequently need to connect between circuits requiring an interface. As a result, there are analytical techniques used to handle these situations.

Usually, signals from another circuits feeds into a another part of a circuit, called a load circuit. The one generating the signal is called the source circuit. This interaction between the source and load circuit at the interface is a key design issue.

One of the most valuable analytical tools to help simplifly and deal… Continue

Posted on April 18, 2009 at 9:45am —

John Santiago

Signals and Systems

Here is a series of videos on signals and systems. You can also find these videos at http://www.youtube.com/drjctu on the playlists section.

Posted on March 11, 2009 at 2:36pm —

John Santiago

Discrete-Time Convolution Example (Inverse z-Transform)

You can view the convolution as the inverse z-Transform of Y(z)=H(z)U(z) where Y(z), H(z), and U(z) are the Laplace Transform of the output response, impulse system response, and input signal, respectively. DVDs are in progress and are based on market demand on selected topics.

Part 1 - Introduction



Part 2 - Discrete-time Convolution ExampleContinue

Posted on March 11, 2009 at 2:30pm —

John Santiago

Circuit Analysis and Design

Here's a series of over 30 videos on Circuit Analysis and Design that I posted at http://www.YouTube.com/drjctu.

Let me know if you find them useful.

Posted on March 10, 2009 at 9:00am —

Comment Wall (11 comments)

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At 9:41am on June 8, 2009, Ted Wen said…
John,

Could you give more "Interface design" classes on Youtube? Like CMOS to BJT and vise versa. It's so interesting!
At 9:38am on June 8, 2009, Ted Wen said…
Hi John,

I like your youtube Electronics class. I just watched "Circuit Analysis-transistor Tutorial-Common Emitter Circuit-Part 4", and found (maybe I'm wrong" a error. i(sub c ) = Beta * i(sub b) must be < i (sub sc) = 5mA, because i (sub sc) is the short circuit current. Thanks for your attention. Your class is well-prepared and your a pretty good vocal voice, Many thanks!
At 10:13am on May 29, 2009, Karim Elgammal said…
thx much sir
I have DSP exam on sunday and hope if I can find examples on filter design
thx much...your lecs are excellent
At 1:01pm on March 12, 2009, AL said…
Thanks Dr .J,

I always watch your online videos, Right now I am intersted in modeling using Matlab in order to make the validation of my mostly discrete systems .


Regards
At 2:02pm on March 11, 2009, Solano said…
Thanks for the welcome. I'm interesting about convolution sum and signals and systems.
At 10:23am on July 13, 2008, ChickenWrestler said…
I just found the best place to get ringtones for my phone and though you might like to check it out since its free for ning.com members. click here to get the ringtones!
At 4:45pm on June 17, 2008, Mark Cruthers said…
Hi John,

Thanks for the welcome.

Mark
At 5:58pm on May 26, 2008, Javed Alam said…
Also, my new profile has lot more information. You may find some of it interesting.
At 5:15pm on May 26, 2008, Javed Alam said…
Thanks John for the welcome. I updated my profile. Look forward to future sharing of information.
At 1:14am on April 14, 2008, Ndeapo Nepaya said…
Hi Dr J,
I always watch your online videos, Right now I am intersted in modeling using Matlab convolution, sequences-impulse train,Fourier & Z-transform(zeros and poles). My field of study is Information and Signal Processing.
Thanks Dr J
 
 

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