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Posted by: engineering project helper
Created at: Friday 14th of December 2012 02:21:21 AM
Last Edited Or Replied at :Friday 14th of December 2012 02:21:21 AM
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mation of input voltages. Here the feedback forces a virtual ground to exist at the inverting input . The output is equal to the negative weighted sum of the input voltages. The summing operation depends exclusively on the sum of the resistor ratios. Fig . shows the inverting configuration with three inputs Va, Vb, Vc depending on the relationship between the feedback resistor RF and the input resistors Ra ,Rb and Rc , the circuit can be used as either a summing amplifier, scaling amplifier, or averaging amplifier. By connecting more than one input voltages to the inverting input, the resultin..................==> [ Click Here to Read More ]

Page Name: mini project in electronics using ic 741

Posted by:
Created at: Saturday 22nd of September 2012 12:54:58 PM
Last Edited Or Replied at :Saturday 22nd of September 2012 12:54:58 PM
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my name is shaheen m rajani.
im an engineering student,studying in third year.
i need some best projects for ic 741.

..................==> [ Click Here to Read More ]


Posted by: project source code cheker
Created at: Wednesday 25th of July 2012 04:06:45 AM
Last Edited Or Replied at :Wednesday 25th of July 2012 04:06:45 AM
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41 used in the inverting
mode with a single supply using divider network of resistors. Varying the feedback through 2.2M; preset
can set the gain of IC 741. The output of IC 741 is further amplified using transistors BC 187/188 pair.


First of all let us consider a few basics in building electronic circuits on a printed circuit board. VISHA Kit
boards also come pre-drilled and with the outline of the components and their identification print. You
should place on the board the resistors, the capacitors, and the transistors & make sure that the electrolytic capacitor..................==> [ Click Here to Read More ]


Posted by: project ppt helper
Created at: Friday 11th of May 2012 05:14:28 AM
Last Edited Or Replied at :Friday 14th of February 2014 02:15:34 PM
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ludes many simple add-ons and modifications too.
Input Voltage Max: 240 Volts AC
Input Voltage Min: 5 Volts DC
Approximant Power Consumption: 450 mW
Here is a simple water level alarm circuit that will produce an audible alarm when the water level reaches a preset level. The circuit can be powered of a 3V Battery and is very handy to use.
The circuit is based on an astable multivibrator wired around IC1 (NE 555).The operating frequency of the astable multivibrator here will depend on c..................==> [ Click Here to Read More ]

Page Name: Study the working of 4bit R2R ladder DA converter circuit

Posted by: academic expert
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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Name– study of digital to analog converter using R–2R ladder circuit.
Aim – to study the working of 4–bit R–2R ladder, D/A converter circuit.
Apparatus – IC 741, circuit board, variable DC power supply, resistors, connecting wires, soldering iron, cutter etc.
Circuit diagram

Procedure –
1) Identify the given components.
2) Solder the circuit using the given components.
3) Connect power supply to the circuit.
4) Measure the analog output voltage (Va) w.r.t. ground for all binary inputs from 0000 to 1111.
5) Ta..................==> [ Click Here to Read More ]

Page Name: shadow alarm

Created at: Friday 25th of March 2011 01:02:27 AM
Last Edited Or Replied at :Wednesday 18th of July 2012 03:07:26 AM
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making of shadow alarm pcb..................==> [ Click Here to Read More ]

Page Name: main project topics for electronics and communication

Posted by: seminar topics maker
Created at: Wednesday 29th of December 2010 05:46:28 AM
Last Edited Or Replied at :Monday 30th of July 2012 01:30:27 AM
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nal correction
354. RF Based Message Transfer Between 2 PC's
355. Ration Card
356. DES (Data Encryption Standard) Algorithm
357. Generation Of 1-Sec. Pulses Spaced 5-Sec. Apart
358. uC Based Digital Panel for Vehicles
359. Home Security System
360. Staircase Light With Auto Switch-Off
361. Remote Control For Home Appliances
362. Pulse Generator
363. 3-q Dual Converter
364. Flying Saucer
365. Embedded security system (key pad & LCD).
366. Charge Monitor For 12V Rechargeable Lead-Acid Battery
367. Smart Hearing Aid
368. Flashing-Cum-Running Light
369. Prepaid Energy Meter
37..................==> [ Click Here to Read More ]


Posted by: seminar topic helper
Created at: Friday 08th of October 2010 01:21:58 AM
Last Edited Or Replied at :Friday 08th of October 2010 01:21:58 AM
SIREN , ELECTRONIC, electronic siren using 741 , electronic siren project report, electronic siren , op amp siren sound using ic 741 ppt, ppt of electronic siren , electronic siren project, project report on electronic siren , electronic siren using ic 741 projects, schematic diagram of diamond security system in a museum with loud 60db siren , operations of electronic siren with two i c, operations of electronic siren with two i c circuit , electronic siron, electronics siren project , abstract of electronic siren, electrical siren project pdf , electronic siren project work pdf download, electronics projects of siren pdf , electronicsiren project pdf, electronic siren project pdf ,
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The 741 is a versatile device and it can be used in the design of a wide variety of sound-effects generators. This circuit produces a siren. The siren can be used in conjuction with other circuits. The siren can be used as the alarm output of a home or automobile security system. Before discussing the circuit operation, let us see the description and working of 741 IC. An operational amplifier, often referred to as an Op Amp, is a very high gain & high performance amplifier designed to amplify AC and DC signal voltage. As shown in Fi..................==> [ Click Here to Read More ]

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