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| Getting Started | Preparations | DL Experiments | RTL Experiments | DTL Experiments | TTL Experiments | Multivibrators | Basic Clock Sources | Counter and Display |
| Power Supply for Logic Circuits | Logic Indicators | Digital Inputs | Verifying the Test Setup |

Making Preparations

Before we can experiment with various circuits, we will need to have a means of setting the circuits up and seeing how they behave. This means some sort of test bed, complete with a power supply, signal inputs, and output indicators. Of course, commercial test beds are available at a price, and are preferred for serious, long-term use. However, for experimental use, we can build the test bed as a sort of demonstration circuit in its own right. This is perfectly acceptable, so long as appropriate safety precautions are taken.

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