E4416A_E4417A EPM-P Series Power Meters and E-Series E9320 Peak and Average Power Sensors.pdf - 第11页

Find us at www.keys ight.com Page 11 Table 5. Power sensor maxim um SWR. Sensor model Maximum SWR ( ≦ 0 dBm) E9321A, E9325A 50 MHz to 2 GHz 1.12 > 2 GHz to 10 GHz 1.16 > 10 GHz to 16 GHz 1.23 > 16 GHz to 18 GHz …

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Table 3. Sensor specification.
Sensor
model
Video
bandwidth
Frequency range Power range Maximum power Connector type
Average only mode Normal mode
1
E9321A
E9325A
300 kHz 50 MHz to 6 GHz
50 MHz to 18 GHz
–65 dBm to
+20 dBm
–50 dBm to
+20 dBm
+23 dBm average;
+30 dBm peak
(< 10 µsec duration)
Type N (m)
E9322A
E9326A
1.5 MHz 50 MHz to 6 GHz
50 MHz to 18 GHz
–60 dBm to
+20 dBm
–45 dBm to
+20 dBm
E9323A
E9327A
5 MHz 50 MHz to 6 GHz
50 MHz to 18 GHz
–60 dBm to
+20 dBm
–40 dBm to
+20 dBm
The E9320 power sensors have two measurement ranges (lower and upper) as detailed in Table 4.
Table 4. Lower and upper measurement ranges.
E9321A/E9325A E9322A/E9326A E9323A/E9327A
Normal Average only Normal Average only Normal Average only
Lower range
(min. power)
–50 dBm –65 dBm –45 dBm –60 dBm –40 dBm –60 dBm
Lower range
(max. power)
+0.5 dBm –17.5 dBm
1
–5 dBm –13.5 dBm
2
–5 dBm –10.5 dBm
2
Lower to upper
auto range point
Upper to lower
auto range point
–9.5 dBm –18.5 dBm –15 dBm –14.5 dBm –15 dBm –11.5 dBm
Upper range
(min. power)
–35 dBm –50 dBm –35 dBm –45 dBm –30 dBm –35 dBm
Upper range
(max. power)
+20 dBm +20 dBm
1
+20 dBm +20 dBm
2
+20 dBm +20 dBm
2
1 For average power measurements, free run acquisition.
2 Applies to CW and constant amplitude signals only above –20 dBm.
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Table 5. Power sensor maximum SWR.
Sensor model Maximum SWR (≦ 0 dBm)
E9321A, E9325A
50 MHz to 2 GHz
1.12
>2 GHz to 10 GHz
1.16
>10 GHz to 16 GHz
1.23
>16 GHz to 18 GHz
1.28
E9322A, E9326A
50 MHz to 2 GHz
1.12
>2 GHz to 12 GHz
1.18
>12 GHz to 16 GHz
1.21
>16 GHz to 18 GHz
1.27
E9323A, E9327A
50 MHz to 2 GHz
1.14
>2 GHz to 16 GHz
1.22
>16 GHz to 18 GHz
1.26
Figure 1. Typical SWR for the E9321A and E9325A sensors at various power levels.
Figure 2. Typical SWR for the E9322A and E9326A sensors at various power levels.
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Figure 3. Typical SWR for the E9323A and E9327A sensors at various power levels.
Sensor Linearity
Table 6a. Power sensor linearity, normal mode (upper and lower range).
Sensor model Temperature (25 ± 10 °C) Temperature (0 to 55 °C)
E9321A and E9325A
± 4.2%
± 5.0%
E9322A and E9326A
± 4.2%
± 5.0%
E9323A and E9327A
± 4.2%
± 5.0%
Table 6b. Power sensor linearity, average only mode (upper and lower range).
Sensor model Temperature (25 ± 10 °C) Temperature (0 to 55 °C)
E9321A and E9325A
± 3.7%
± 4.5%
E9322A and E9326A
± 3.7%
± 4.5%
E9323A and E9327A
± 3.7%
± 5.0 %
If the sensor temperature changes after calibration, and the meter and sensor is not re-calibrated, then
the following additional linearity errors should be added to the linearity figures in Tables 6a and 6b.
Table 6c. Additional linearity error (normal and average only modes).
Sensor model Temperature (25 ± 10 °C) Temperature (0 to 55 °C)
E9321A and E9325A
± 1.0%
± 1.0%
E9322A and E9326A
± 1.0%
± 1.0%
E9323A and E9327A
± 1.0%
± 1.0%