Posted on Thursday, January 27, 2011 • Category: Oscilloscopes
Passive Probe are the most general used scope probe. As the name "passive" suggest, it is made from passive components resistor, capacitor & wires. The leading scope probe maker are LeCroy, Tektronix & Agilent.
Passive probe usually comes with attenuation factor of 1:1, 10:1 and 100:1. Attenuation factor of 1:1 means whatever signal being probe at the probe tip will be shown exactly as it is at the oscilloscope input. So a signal of 1V at the probe tip will be detected as 1V at the scope input.
Attenuation factor of 10:1 means that a signal of 1V at probe tip will be detected as 0.1V at the scope input.
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