(formerly Aura Auro Design) – LEARN, GROW, WORK, TEACH
We wanted to use a transistor as a current source. Two resistors, one at the emiiter(R1) and the other at the collector(R2) were connected. A voltage divider circuit with a supply of 9v was connected at the base that could supply certain...
Read out allFirst started with constructing constant current source using PNP transistor with 9V supply voltage. CONSTANT CURRENT SOURCE: voltage reading: 3.32V ...
Read out allSpeeDe V_03: The aim of the third version of the SpeeDe is to improve the sensitivity to capture the speed of even smaller object. In this regard, I have done some modification in the program ( using the concept of interrupts in...
Read out allSAMPLING: A continuous time signal can be represented in its samples and can be recovered back when sampling frequency fs is greater than or equal to the twice the highest frequency (fm) component of message signal. i. e fs ≥ 2fm. Consider a...
Read out allMany teachers struggle with teaching division to children and I have been thinking about this recently. I think there are a number of factors contributing to this. Firstly, there is a huge range of level of understanding of the concept of division...
Read out allFor the first few weeks I decided to teach and learn with the 5th graders at Isai Ambalam middle school, at class we worked out many logic puzzles. The class was at the stage of working out multiplication and division. Speed,distance,time and...
Read out allScratch stories with Udavi 8th graders The 8th graders at Udavi had made stories on the theme ‘ if i had wings ‘ , they were wanting to depict their stories with scratch. The time offered was four English class hours on...
Read out allThe command : tar -cvfz -X excludeList -g 20150407.snar 20150407-full.tar.gz ~ tar-cvfz – creates all the files. -X excludeList – creates a folder where one can exclude the files that need not be backed up. -g .snar – this is the command...
Read out allImpedance of Various 100μF Capacitors : The figure tells us that the impedance of a capacitor will decrease monotonically as frequency is increased. In actual practice, the ESR causes the impedance plot to flatten out. As we continue up in frequency, the...
Read out allCIRCUIT ANALYSIS: Lets analysis the following circuit. This circuit consist of two nodes named as v1 & v2 Consider the input voltage is vin . Lets say the current ‘i’ is passing through the node v2 . Then the voltage at the...
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