05 | Keysight N1911A/N1912A P-Series Power Meters and N1921A/N1922A Wideband Power Sensors - Data Sheet
P-Series Wideband Power Sensor Specifications
The P-Series wideband power sensors are designed for use with the P-Series power meters only.
Sensor model
N1921A
50 MHz to
18 GHz
–35 dBm to +20 dBm (≥ 500 MHz)
–30 dBm to +20 dBm (50 MHz to 500 MHz)
+23 dBm (average power);
+30 dBm (< 1 μs duration) (peak power)
Type N (m)
2.4 mm (m)
N1922A
50 MHz to
40 GHz
–35 dBm to +20 dBm (≥ 500 MHz)
–30 dBm to +20 dBm (50 MHz to 500 MHz)
+23 dBm (average power);
+30 dBm (< 1 μs duration) (peak power)
Maximum SWR
Frequency band
N1921A
1.2
N1922A
1.2
50 MHz to 10 GHz
10 GHz to 18 GHz
18 GHz to 26.5 GHz
26.5 GHz to 40 GHz
1.26
1.26
1.3
1.5
Sensor Calibration Uncertainty9
Definition: Uncertainty resulting from non-linearity in the sensor detection and correction process. This can be considered as a com-
bination of traditional linearity, cal factor and temperature specifications and the uncertainty associated with the internal calibration
process.
Frequency band
50 MHz to 10 GHz
500 MHz to 1 GHz
1 GHz to 10 GHz
N1921A
4.5 %
4.0 %
4.0 %
5.0 %
N1922A
4.3 %
4.2 %
4.4 %
4.7 %
5.9 %
6.0 %
10 GHz to 18 GHz
18 GHz to 26.5 GHz
26.5 GHz to 40 GHz
Physical characteristics
Dimensions
N1921A
135 mm x 40 mm x 27 mm (5.3 in x 1.6 in x 1.1 in)
127 mm x 40 mm x 27 mm (5.0 in x 1.6 in x 1.1 in)
Weights with cable
Option 105
Option 106
Option 107
0.4 kg (0.88 Ib)
0.6 kg (1.32 Ib)
1.4 kg (3.01 Ib)
Fixed sensor cable lengths
Option 105
Option 106
Option 107
1.5 m (5 feet)
3.0 m (10 feet)
10 m (31 feet)
1. Beyond 70% Humidity, an additional 0.6% should be added to these values.
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