Current probes are active devices which are used in conjunction with an oscilloscope or
DMM to determine the current of a device under test. Current probes are either placed
directly between a measurement instrument and DUT in order to measure the amplified
voltage across an internal resistance or clamped onto a conductor/wire in order to
measure the magnetic field created by the current flowing through the wire.
AVCP-series current probes are based on a series resistor and differential amplifier which
generates an output voltage proportional to the current flowing through the resistor.
Large series resistors are used to create a large voltage drop in order to measure
extremely low currents in the order of uA and mA. Unlike current probes based on Hall
effect sensors, AVCP-series current probes do not need to be demagnetized (degaussed)
and can be used more easily over long periods of time. AVCP current probes can be
connected by BNC cable to nearly any commercial oscilloscope or DMM and are ideal for
measuring active devices with low currents such as transistors under pulsed conditions.
Features & Benefits
Resistor-based for simplified long-term use
Ideal for low-current measurements
Compatible with most commercial oscilloscopes and digitizers
Ideal for pulsed measurements
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