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E x P ε Я і M ε N т 0
Introduction to the ICE-PAC 1

Purpose:

******** 1) To familiarize the class with the components of the ICE-PAC1.

******** 2) Being able to insert and remove components from breadboard.

******** 3) To Check battery and regulator connections.

******** 4) And to investigate the common pins in the breadboarding socket.


Components for Lab 0:


Component Description
7805 Regulator
Resistor
LED
9v Battey
Connecting Wires



Chip # Number of Pins Chip Drawing
7400 12 in all ~ 6 & 6
7402 14 in all ~ 7 & 7
7404 13 in all ~ 6 & 7
7408 12 in all ~ 7 & 5
7432 14 in all ~ 7 & 7
7447 16 in all ~ 8 & 8
7486 14 in all ~ 7 & 7


Resistor Properties Formula Total Resistance
Brown/Black/Yellow/Gold 10 x 100,000 +/- 5% 100,000 +/- 5%
Orange/Orange/Brown/Gold33 x 10 +/- 5% 300 +/- 5%
Brown/Black/Orange/Gold 10 x 1000 +/- 5% 10,000 +/- 5%
Yellow/Red/Brown/Gold 43 x 10 +/- 5% 430 +/- 5%


Procedures:



Click here to see procedures in assembling Lab 0!!!

Discussion:

********** 1) How are different resistors distinguished?

The word resistor is derived from the word resistance. Resistors are distinguished by their resistance. This is done so by looking at the bands on the resistor itself. The bands come in various differenct colors. The bands are read from left to right. The left band is the one that is closest to it's edge. The colors correspond to digits. The first two bands are put together to indicate the value. The 3rd band is the multiplying number and the 4th one is the resistor's tolerance.


********** 2) How are two different Integrated Circuits distinguished?

Integrated circuits come with a serial number at the top of it consisting of numbers and letters. This is used to distinguish two different kinds of circuits


********** 3)Describe a technique for inserting and removing Intergrated Circuits without breaking pins

Take one side of the pins and line them up with the holes in the socket that you want to insert them into. Hold it on an angle and gently press it in. Then line up the other side and also gently press those pins in. Put slight pressure on both sides to insure that pins are in securely. When removing pull out one side, gently lift it on an angle and remove the other side.

********** 4)Describe in general how the common electrical connections are desgined in the breadboard?

The holes in the SK-50 are connected in mainly 2 different ways. The top and bottom rows are connected horizontally with each other in each line. The holes in the middle are connected vertically to each other. There is only connection of two holes either vertically or horizontally.

********** 5)Which end of a diode must be connected to the +5v connection of the regulator?

The +5v connection has to be connected to the cathode.

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