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simple circuits for intercom using 741 ic


Posted by:
Created at: Thursday 04th of October 2012 03:06:30 AM
Last Edited Or Replied at :Thursday 04th of October 2012 03:06:30 AM
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I..................[:=> Show Contents <=:]



simple circuits for intercom using 741 ic


Posted by:
Created at: Thursday 04th of October 2012 03:06:30 AM
Last Edited Or Replied at :Thursday 04th of October 2012 03:06:30 AM
741 used as an intercomm , intercom using 741 ic, ic 741 working as intercom , simple projects using 741ic, simple projects using ic 741 , projects using 741, linear integrated circuits using 741ic , intercom circuit using ic 741, linear integrated projects using741 ic , intercomm using lm741, intercom using 741 , 741 ic easy circuit project, 741ic using project , 741 intercom circuit, simple and easy projects using ic 741 , intercom using ic 741, simple circuits using ic 741 , intercom circuit using ic 741 images, 741ic project circuit , simple intercom project using ic 741, ic741 simple circuit , intercom using lm741,
I WANT TO KNO..................[:=> Show Contents <=:]



analog to digital converter circuit using ic 741


Posted by:
Created at: Wednesday 03rd of October 2012 10:41:31 AM
Last Edited Or Replied at :Wednesday 03rd of October 2012 10:41:31 AM
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how to design ..................[:=> Show Contents <=:]



Study the working of 4bit R2R ladder DA converter circuit


Posted by: seminar class
Created at: Friday 13th of May 2011 11:10:18 PM
Last Edited Or Replied at :Friday 13th of May 2011 11:10:18 PM
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ed as follows –

Conclusion –
1) The circuit can convert applied digital input combinations into their equivalent analog output voltages.
2) The operational amplifier is used in the circuit for scaling the value of output voltage.
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Study the working of Schmitt trigger inverter as square wave generator


Posted by: seminar class
Created at: Friday 13th of May 2011 10:58:03 PM
Last Edited Or Replied at :Tuesday 02nd of October 2012 02:41:37 AM
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es whose frequency can be changed by R1 and C1. Its +Vsat and –Vsat values depend on charging and discharging of timing capacitor...................[:=> Show Contents <=:]



AUDIO AMPLIFIER full report


Posted by: seminar class
Created at: Friday 22nd of April 2011 06:20:00 AM
Last Edited Or Replied at :Friday 22nd of April 2011 06:20:00 AM
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l of input signal. Condenser mike receive the audio signal and convert these signal into the electrical signals. The capacitor used at the input of operational amplifier to block the dc voltage & pass the audio signal only.
The condenser mike connected to a resistor of 10kΩ which provide it a dc voltage to it. Operational amplifier (IC741) has two inputs one is inverting at pin 2 & another is non inverting at pin 3. It has one output at pin 6. Pin 7 of operational amplifier is connected to +Vcc (+5volts) & pin 4 is connected to –Vcc (zero volt).
Then we are using the push pull amplifier..................[:=> Show Contents <=:]



main project topics for electronics and communication


Posted by: project topics
Created at: Wednesday 29th of December 2010 05:46:28 AM
Last Edited Or Replied at :Sunday 27th of March 2011 03:37:24 AM
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I2c protocol implementation (RTC).
269. Development Of Embedded System For Energy Saving Of Street Light
270. Digital switching system
271. IVRS Microcontrollers Based
272. Low Cost Transistorised Inverter
273. VLSI based Wireless Robot Without Camera
274. Image segmentation and texture extraction for Number Recognition system.
275. Versatile Zener Diode Tester
276. Voltage-Based Controller For Switches
277. Image Processing Robot
278. PC Based Ac Motor SPEED Control Using (P.W.M Technique).
279. Digital Speech Security System
280. Infrared Bug
281. Knock Alarm
282. Colour ..................[:=> Show Contents <=:]



Remote control using telephone


Posted by: computer science crazy
Created at: Wednesday 09th of September 2009 02:02:38 AM
Last Edited Or Replied at :Wednesday 09th of September 2009 02:24:07 AM
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to switch up to nine appliances (corresponding to the digits 1 through 9 of the telephone key-pad). The DTMF signals on telephone instrument are used as control signals. The digit ˜0™ in DTMF mode is used to toggle between the appliance mode and normal telephone operation mode. Thus the telephone can be used to switch on or switch off the appliances also while being used for normal conversation.
http://www.electronic-circuits-diagrams.com/remotecontrolsimages/2.gif
The circuit uses IC KT3170 (DTMF-to-BCD converter), 74154 (4-to-16-line demult-iplexer), and five CD4013 (D ..................[:=> Show Contents <=:]



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