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Department: EngineeringCourse: Diploma

Done By:

Ahmed Hamad Al-Habsi ID:2007034Ahmed Sae’ed Al-Uraimy ID:2006027Bader Nasser Al-Ganboosi ID:2005060

Project supervisor:K.Shamganth

Lecturer ,Engineering department

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To design a circuit to detect when a call is incoming in a cellularPhone ( even when the calling tone of the device is switched-of )by means of a flashing LED. The device must be placed a few

centimeters from the cellular phone, So its sensor coil L1 can detect the field emitted by the phone receiver during

an incoming call.

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Project Schedule Week

Literature analysis of the Project 2

Theoretical study of the Project 3,4

Collection of Components 5

Study of PCB software - Eagle 6

Study of PCB Fabrication 7

Testing of the circuit using MultiSim and Breadboard 8

PCB Layout Preparation using Eagle Software 9

Mounting of the components on the PCB 10

Testing of the Circuit and Result analysis & Mid-Term project Presentation

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Preparation of the Project Report 12

Final Project presentation 13

The circuit can be used to escape from the nuisances of mobile phone rings when you are at home. This circuit will give a visual indication if placed near a mobile phone even if the ringer is deactivated

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Name Specifies Quantity

Resister 2.2 M

100k

1k

2

1

1

Capacitors 22pf

47pf

100uf

0.1uf

0.22uf

2

1

1

1

1

IC555 7555 1

LED Red 10mm 1

Transistor BC547 1

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MobileMobile Incoming Call Indicator

circuitLED

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Circuit Simulation using Multisim

U1

CA3130E

3

2

4

7

6

51

8

C122pF-SMT0402

C222pF-SMT0402

C30.22uF-POL

C4100uF-POL

C50.1uF-POL

R12.2M

R2

2.2M

R31.0k

R4100k

C647pF-SMT0402

Q1

BC548BP

LED1

5

6

8

9

1

2

3

V112 V

4

0

0

XFG1

7

0

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The signal detected by the sensor coil is amplifier by transistor Q1 and Drives the monsotable input pin of IC1. The IC’s output voltage is

doubled By C2 & D2 in order to drive the high-efficiency ultra-bright LED at a suitable peak-voltage

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When the testing the circuit in the breadboard the result for the working .Circuit is working.

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Eagle software used to do the electronic circuits and the layout for the PCB.

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PCB circuit with component

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PCB

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• Ultraviolet (UV)

• Developer

• Etching

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• Ultraviolet Box (UV Box): • Photo masking• 300 seconds to heat • 150 seconds to print

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• Mix Alkaline powder with cold water

• 1 packet for each litter of water

• ¼ packet for 250 ml of water

• 10 min waiting

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• Etching• Using ferric chloride with

hot water.• ½ packet for 250 ml• 45 min waiting

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Conclusion

• In this project the Mobile incoming call indicator circuit is designed and tested using Breadboard and Simulation softwares like Multisim, Eagle.

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• www.en.wikipedia.org

• http:www.sbprojects.com• www.google.com