electronics protect
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Shrutika khangar
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Joined: Dec 2010
21-12-2010, 07:27 PM

hiii.. i m shrutika BE 3yr student want project and implimentation abstract of a) Sinewave Generator..
science projects buddy
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Posts: 278
Joined: Dec 2010
22-12-2010, 12:30 AM

The square, triangle or sine waves in the audio frequency range can be easily generated using simple circuits. In this project and implimentations, four opamps are used to deliver these waveforms in the 6 Hz to 7000 Hz range.

An LM348 IC and passive components are used to generate the Square, sine and triangle waves. The LM348 is a quad operational amplifier IC package containing four separate opamps all in the one IC.

Sine Wave.
a wave shaping circuit produces a pseudo imitation of the sine wave.The circuit used here in effect 'joins together' this characteristic curve of the diode to obtain the sine wave.

Square Wave
One of the opamps in the LM348 is used for this purpose. The voltage level to pin 13 is set by the resistor divider pair R1 and R2.(circuit diagram included in the pdf). The the voltage output of opamp C at pin 8 and we can obtain the square wave at this point.

For more details and the circuit diagram, see:
http://kitsrus.com/project and implimentations/k23.pdf
Use Search at http://topicideas.net/search.php wisely To Get Information About Project Topic and Seminar ideas with report/source code along pdf and ppt presenaion

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