9
Testing with the
proper tools
Measure the components’
performance in your
power supply
• Test your components under load
conditions
• Bias inductive devices with high
currents
• Satisfy your needs with the right
instrument
Designing advanced switching power
supplies require the use of inductors and
transformers that operate in the RF
regions.
For low frequencies, the Agilent 4284A
1
precision LCR meter with the
Agilent 42841A bias current source,
and the 42842A/B bias current test
fixtures all combine to form a 40 A dc
test system.
Where a high frequency measurement
is required, use an Agilent 4285A
2
, an
Agilent 42842C bias current test fixture,
and an Agilent 42841A bias current source
to achieve up to 10 A dc biasing with
measurements at 30 MHz.
Reduce system
development time
The 4284A and 4285A employ a program-
ming language, which is compatible with
the IEEE 488.2. Since the command names
are similar to the measurement functions,
the time spent for creating and debugging
programs can be largely minimized. The
operation manual lists several key sample
programs, allowing the user to efficiently
create a program for their measurement
system.
High current bias for inductor testing under load conditions
Code generation made easy
1. Need Option 4284A-002
2. Need Option 4285A-002
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