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The Intermediate Digital Electronics kit consists of a plethora of logic gate ICs along with buttons and LEDs which can be used to give input to the gates and visualize their outputs.
Note: The package dimensions are 22x15cms and weghs about 50 grams.
Package Includes:
| LED Red | 4 |
| LED Blue | 4 |
| LED Green | 4 |
| Bread Board - Full Size | 1 |
| Buzzer- Goli | 1 |
| 7400 Quad 2 input NAND gates | 2 |
| 7402 Quad 2 input NOR gates | 2 |
| 7404 Hex NOT gates (Inverters) | 2 |
| 7408 Quad 2 input AND gates | 1 |
| 7411 IC – triple 3-input AND gate | 2 |
| 7432 Quad 2 input OR gates | 1 |
| 7486 Quad 2 input XOR gates | 1 |
| 747266 Quad 2 input XNOR gates | 1 |
| M2M Jumpers | 1 |
| 9V Battery | 1 |
| Breadboard Power Supply | 1 |
| DC barrel jack | 1 |
| Micro push button | 8 |
| 10K resistors | 8 |
| Multimeter | 1 |
| 220 ohm resistor | 13 |
Applications of this kit
The Intermediate Digital Electronics kit can be used to build various combinational circuits such as flip flops, shift register, mux and demux circuits and many more.
Sample Experiment
Building a 1:4 De-Multiplexer
De-Multiplexer means one to many. A demultiplexer is a circuit with one input and many output. By applying control signal, we can steer any input to the output
Material Required:
- Breadboard Power Supply
- 9V Battery
- DC Barrel Jack
- Breadboard
- 7411 IC – Triple 3-input AND gate
- 7404 Hex NOT gates (Inverters)
- Jumper Wires
Procedure:
The 1-to-4 demultiplexer has 1 input bit, 2 control bits, and 4 output bits. The circuit diagram of a 1-to-4 demultiplexer is shown in figure below.
The input bit is labelled as Data D. This data bit is transmitted to the data bit of the output lines. This depends on the value of AB, the control input.
When AB = 01, the upper second AND gate is enabled while other AND gates are disabled. Therefore, only data bit D is transmitted to the output, giving Y1 = Data.
If D is low, Y1 is low. IF D is high,Y1 is high. The value of Y1 depends upon the value of D. All other outputs are in low state.
If the control input is changed to AB = 10, all the gates are disabled except the third AND gate from the top. Then, D is transmitted only to the Y2 output, and Y2 = Data.
Applications of Multiplexer include communications systems, ALU, computer memory, serial to parallel converter, etc.
