Datasheet

Page 7
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Specifications
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 one year.
Specifications apply over a temperature
range 0 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. Specifications are valid
after a 30-minute warm-up period.
Supplemental characteristics, shown in
italics, are intended to provide useful
information with regard to applying
the power sensors in that they contain
typical, but non-warranted performance
parameters. These characteristics are
shown in italics or denoted as “typical”,
“nominal” or “approximate”.
Measurement speed
Normal: 20 readings/s
x2: 40 readings/s
Fast: 110 readings/s
Buffered (50 readings): 1000 readings/s
1
The U2000 Series USB sensors have two
measurement modes:
Average only mode (default mode):
Optimized for wide dynamic range. In
this measurement mode, a trigger can be
controlled externally via TTL input.
Normal
2
mode: Used for making average
power measurement in a defined time
interval (time-gated measurement) with
reduced dynamic range. A trigger can
be derived from an RF signal (internal
trigger) or controlled externally via TTL
input (external trigger).
Frequency and power ranges
Model Frequency range Power range Maximum power
U2000A 10 MHz to 18 GHz –60 to +20 dBm +25 dBm avg, 20 VDC
U2001A 10 MHz to 6 GHz +33 dBm pk, < 10 µs
U2002A 50 MHz to 24 GHz
U2004A 9 kHz to 6 GHz –60 to +20 dBm +25 dBm avg, 5 VDC
+33 dBm pk, < 10 µs
U2000B 10 MHz to 18 GHz –30 to +44 dBm +45 dBm avg, 20 VDC
U2001B 10 MHz to 6 GHz +47 dBm pk, 1 µs
U2000H 10 MHz to 18 GHz –50 to +30 dBm +33 dBm avg, 20 VDC
U2001H 10 MHz to 6 GHz +50 dBm pk, 1 µs
U2002H 50 MHz to 24 GHz –50 to +30 dBm +33 dBm avg, 10 VDC
+50 dBm pk, 1 µs
Maximum SWR
Model Frequency range Maximum SWR
(25 °C ± 10 °C)
Maximum SWR
(0 °C to 55 °C)
U2000A 10 to 30 MHz 1.15 1.21
30 MHz to 2 GHz 1.13 1.15
2 to 14 GHz 1.19 1.20
14 to 16 GHz 1.22 1.23
16 to 18 GHz
1.26 1.27
U2001A 10 to 30 MHz
1.15
1.21
30 MHz to 2 GHz 1.13 1.15
2 to 6 GHz 1.19 1.20
U2002A 50 MHz to 2 GHz 1.13 1.15
2 to 14 GHz 1.19 1.20
14 to 16 GHz 1.22 1.23
16 to 18 GHz 1.26 1.27
18 to 24 GHz 1.30 1.30
U2004A 9 kHz to 2 GHz 1.13 1.15
2 to 6 GHz
1.19 1.20
U2000B 10 MHz to 2 GHz 1.12 1.14
2 to 12.4 GHz 1.17 1.18
12.4 to 18 GHz 1.24 1.25
U2001B 10 MHz to 2 GHz 1.12 1.14
2 to 6 GHz 1.17 1.18
U2000H 10 MHz to 8 GHz 1.15 1.17
8 to 12.4 GHz 1.25 1.26
12.4 to 18 GHz 1.28 1.29
U2001H 10 MHz to 6 GHz 1.15 1.17
U2002H 50 MHz to 8 GHz 1.15 1.17
8 to 12.4 GHz 1.25 1.26
12.4 to 18 GHz 1.28 1.29
18 to 24 GHz 1.30 1.31
1. The 1000 reading/s is the derived measurement speed from the first 50 readings in buffered mode.
The maximum number of measurements that can be obtained in one second is 250 readings in
buffered mode.
2. Not applicable for U2004A.