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About the Speed of Spreadsheets #2 24 Mar 2012 | 03:17 am
This is the second post on Excel speed. The first part benchmarked the calculation speed of Excel 2003 versus Excel 2007 for various size arrays of formulas. This part analyzes the effect of formula c...
Power Management: An Animated Buck Switching Regulator Model in Excel 2003 23 Mar 2012 | 04:14 am
This is an animated model of a Buck voltage switching regulator in MS Excel 2003. Besides real time control of common parameters such as switch ON resistance, load current, load capacitance, output v...
About the Speed of Spreadsheets #1 20 Mar 2012 | 04:38 pm
This post considers several aspects about improving the speed of spreadsheets in both MS Excel 2003 and 2007. In this first part, a “stopwatch” macro is described which, when incorporated in any of ca...
A Gated Ring Oscillator Demo – Part#2 19 Mar 2012 | 05:48 pm
This is an upgrade from the first part in the sense that it can be adjusted to have more delay based inverters in the feedback (14). The animation is pretty much the same as in the first model, a virt...
A Gated Ring Oscillator Demo – Part#1 17 Mar 2012 | 06:23 am
An interactive animated demo of the gated ring oscillator in Excel 2003 based on the previous tutorial. This model stands out because of the real time schematic animation. It is controlled by a virtua...
An Interactive Gated Ring Oscillator Tutorial – part #4 16 Mar 2012 | 02:06 am
This is the fourth part of tutorial about making an interactive animated Excel model of a gated ring oscillator in MS Excel 2003. This section adds a joystick to the model which smoothly adjusts the R...
An Interactive Gated Ring Oscillator Tutorial – part #3 15 Mar 2012 | 01:52 am
This is the third part of tutorial about making an interactive animated Excel model of a gated ring oscillator in MS Excel 2003. This section deals with upgrading the model from a static table based o...
An Interactive Gated Ring Oscillator Tutorial – part #2 14 Mar 2012 | 06:21 am
This is the second part of tutorial walking through the creation of an interactive animated Excel model of a gated ring oscillator in MS Excel 2003. This section is mainly concerned with the generatio...
An Interactive Gated Ring Oscillator Tutorial – part #1 13 Mar 2012 | 07:14 am
This is the first part of tutorial explaining how to make an interactive animated Excel model of a gated ring oscillator in MS Excel 2003 (the model will run fine in newer versions too). A delay based...
A Delay Based Animated Excel Model for Single-Stage Logic Gates – part#2 9 Mar 2012 | 02:08 pm
This is the second half of the delay based Excel model tutorial. In this part the final formulas are derived and implemented in Excel 2003. The model proves to be fast and reliable and it is actually ...
