1Getting Started
10 U2000 Series Operating and Service Guide
This technique will ensure the diodes in the selected signal path are kept
in their square law region, thus the output current (and voltage) is
proportional to the input power. The diode pair/attenuator/diode pair
assembly can yield the average of complex modulation formats across a
wide dynamic range, irrespective of the signal bandwidth. The dual range
Modified Barrier Integrated Diode (MBID)
1
package includes further
refinements to improve power handling allowing accurate measurement of
high level signals with high crest factors without incurring damage
2
to the
sensor.
These sensors measure average RF power on a wide variety of modulated
signals and are independent of the modulation bandwidth. They are ideally
suited to the average power measurement of multi- tone and spread
spectrum signals such as CDMA, W-CDMA, and digital television formats.
1 November 1986 Hewlett-Packard Journal pages 14-2, “Diode Integrated Circuits for
Milimeter-Wave Applications.
2Refer to“Maximum Power” on page 47 for maximum power handling specifications.
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