3 Specifications and Characteristics
36 U2000 Series Operating and Service Guide
Introduction
U2000 Series USB power sensors are average, wide dynamic range power
sensors that can be used with a PC or some selected USB- based
instruments from Agilent. The U2000 Series USB power sensors have two
measurement modes:
• Average only mode (default mode): chopper- based measurement
•Normal
1
mode: sample- based measurement
The specifications contained in this chapter are valid ONLY after proper
calibration of the power sensor and apply to continuous wave (CW)
signals unless otherwise stated. The recommended calibration interval for
this product is 1 year. Specifications apply over a temperature range 0 °C
to +55 °C unless otherwise stated.
Specifications quoted over a temperature range of 25 °C ±10 °C apply to
a relative humidity of 15% to 75% and conform to the standard
environmental test conditions. These specifications are valid after a
30- minute warm- up period.
The dynamic range of the U2000 Series USB power sensors is –60 dBm to
+44 dBm and the range is divided into two independent measurement
paths — a low power path and a high power path, as shown below:
Some specifications are detailed for individual measurement paths, with
the automatic switching point at:
• –7 dBm for U2000/1/2/4A
• +3 dBm for the U2000/1/2H
• +23 dBm for U2000/1B
1 Not applicable for U2004A.
Sensor Low Power Path High Power Path
U2000A, U2001A, U2002A, U2004A –60 dBm to –7 dBm –7 dBm to +20 dBm
U2000H, U2001H, U2002H –50 dBm to +3 dBm +3 dBm to +30 dBm
U2000B, U2001B –30 dBm to +23 dBm +23 dBm to +44 dBm
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