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- n. Plural form of picoamp.
Sorry, no etymologies found.
The devices feature low leakage current of a few picoamps typically, in addition to low parasitic off capacitance of 8 pF, on capacitance of 22 pF, and low charge injection of 1.8 pC to minimize signal noise.
Keithley has also introduced the optional Model 4225-RPM remote amplifier/switch, which gives the 4225-PMU four additional low-current ranges, extending sensitivity down to tens of picoamps.
The slight difference in size of the four bases results in a discrete blockage of the pore, which is read as a reproducible dip in the applied current from a baseline of around 60 picoamps to anywhere from 20-40 picoamps.