High Frequency Lab/Rules/General causes of damage

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General causes of damage

  • Power cables that are not earthed – MAKE SURE THAT THE EARTH PIN OF EACH PLUG IS CONNECTED TO THE CABLE – BE AWARE OF CABLES FROM OTHER LABS!!
  • DC voltages and currents on active circuits – Use capacitive decoupling and make sure that coupling capacitors are discharged and power supplies switched off before the circuit is connected.
  • Static charges on long cables – ALWAYS discharge cables before they are connected.
  • High power levels – Be very careful with amplifiers and oscillators. Use attenuators.
  • Mechanical damage to connectors – Connectors and cables are VERY expensive and sensitive. Handle them with great care and they will last and be used by everyone. Read the paragraph about connectors very carefully and IMPLEMENT IT!!!


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