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Process of Debugging a Circuit

Process of Debugging a Circuit. Debugging. Is a skill that you will have to develop so that you can trace errors in circuit design and construction rapidly.

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Process of Debugging a Circuit

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  1. Process of Debugging a Circuit

  2. Debugging • Is a skill that you will have to develop so that you can trace errors in circuit design and construction rapidly. • It is not a process where you measure the output of the circuit while randomly replacing resistors or other components until the output signal is what you expected to see.

  3. Debugging • Start at the beginning of the circuit: • Make sure that your input voltage is correct. • Find reasonably points within circuit to make measurements. • The measurements should be made sequentially from the beginning of the circuit to the the output. • Compare measured voltages with expected voltages obtained either through circuit analysis or simulation. • This means that you should do your calculations and simulations before you construct the circuit. • If they match reasonably well, move on to the next measurement point.

  4. If they don’t, do the simple things first: • Verify that power is on and connected at the right places (particularly V+ and V- on op amps). • Check component values. • Run through wiring to make sure that the wires are going where they are supposed to and nothing is accidently touching. • Make sure that your oscilloscope probes are connected to the correct points in the circuit. • Only if you are confident that you have everything above right, consider replacing a component. • If the circuit still doesn’t function properly, see the OpEL GTA, for assistance.

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