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Chapter 7 Tutorial
Reliability
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Reliability
Reliability of electronic semiconductor equipment depends heavily on the
temperature of the components. The lower the temperature of the
components, the better the reliability. The Agilent E3633A and Agilent E3634A
power supplies incorporate circuitry to reduce the internal power dissipation
of the power supply and therefore reduce the internal heat of the power supply.
Maximum internal power dissipation occurs at maximum current. The internal
power dissipation further increases as the output voltage is lowered. A fan
internal to the power supply is essential to keep internal temperatures low. To
assist in cooling the power supply, the sides and rear of the power supply
should be kept clear.