Introduction
5
Introduction
The 1147B is a wide-band, DC to 50 MHz, active current probe.
The probe features low noise and low circuit insertion loss. The
intelligent interface makes the probe ideal for use with the
InfiniiVision and Infiniium products using the AutoProbe interface.
This unique probe interface makes current measurements as
simple as those made with the active voltage probes.
The 1147B has two operating regions that provide a wide, flat
frequency response. In the DC to low frequency AC region, the
probe operation is based on the negative feedback of the amplifier
system that includes the thin film Hall element as a detector. In
the high frequency region, the probe operates as a current
transformer.
The 1147B is ideal for acquiring high transient time signals such
as those found in motor controllers, in switching power supplies,
and in current amplifiers driving inductive loads.
In order to use this product effectively and to ensure a long
operational life, read this user’s guide carefully and retain it for
future reference.
Features
- Highly accurate current detection
- Split-core construction allows easy circuit connection
- Broadband frequency characteristics DC to 50 MHz
- Connects directly to InfiniiVision and Infiniium scope with
1M
Ω AutoProbe interface
- Easy to degauss and offset zero calibration
- Easy protect function at excessive input
- Carrying case
Inspection
When the unit is delivered, check and make sure that it has not
been damaged in transit. If the unit is damaged, or fails to operate
according to the specifications, contact your dealer or Keysight
representative.
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