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9 | Keysight | M9391A PXIe Vector Signal Analyzer 1 MHz to 3 or 6 GHz - Specifications Guide
Technical Specifications and Characteristics
Amplitude
Input level
Max safe average total power
Max DC voltage
Max RF input (specified performance)
Expected input level setting
Range
Pre-amp ON
Pre-amp OFF
Pre-amp AUTO
7
Resolution
Absolute amplitude accuracy & total absolute amplitude accuracy
Conversion type
Frequency
40 MHz IF filter
Image protect
≤ 3 GHz
> 3 GHz
Single
All
160 MHz IF filter
Image protect
≤ 3 GHz
> 3 GHz
Single
All
160 MHz IF filter
Image protect
≤ 3 GHz
> 3 GHz
Single
≤ 3 GHz
> 3 GHz
7. At expected input level ≤ −37 dBm, pre-amp is switched on.
8. Total absolute amplitude accuracy is the total of all amplitude measurement errors. This specification includes the sum of the following individual specifica-
tions: linearity, expected input level switching uncertainty, IF bandwidth filter switching uncertainty, absolute amplitude accuracy. The wide range of settings
used (i.e., expected input level, etc.) are tested independently. The individual error contributions are calculated as follows: a 99.8 % proportion and 95%
confidence are computed for each parameter on a statistically significant number of instruments. The root-sum-square (RSS) of these four independent
Gaussian parameters is then taken. To that RSS value, two environmental effects and measurement uncertainty are added. One environmental effect is that
of temperature (full and controlled temperature range, as defined above) and the other is the temperature variation of ±3 degrees around a field alignment.
Applies over the following subset of settings and conditions: expected input level −50 dBm to +30 dBm; input signals within 60 dB below expected input
level; 40 MHz and 160 MHz IF filters; input signal at center frequency over full frequency range.
9. The absolute amplitude accuracy is the amplitude measurement error when only changing frequency. The expected input level, conversion type and IF band-
width settings remain the same and the error introduced by those parameters are not included. Pre-amp auto/OFF expected input level +10 dBm and −12
dBm. Pre-amp ON expected input level −30 dBm.
10. Typical specifications shown at M9350A downconverter reported module temperature of 46 ºC and a corresponding environment temperature of 25 ºC.
11. When using pre-amp auto mode, applies for signal level within expected input level >−37 dBm.
12. When using pre-amp auto mode, applies for signal level within expected input level ≤−37 dBm.
+30 dBm (1 W)
25 Vdc
1 to 2 MHz
2 to 4 MHz
4 to 100 MHz
100 MHz to 6 GHz
−170 to 0 dBm
−170 to +30 dBm
−170 to +30 dBm
0.1 dB
Full temperature range
Total absolute
Absolute
amplitude
amplitude
accuracy
accuracy
8
Module temperature within ± 3 ºC of alignment, pre-amp ON & OFF
±1.78 dB
±1.72 dB
±1.54 dB
±1.48 dB
±1.47 dB
±1.41 dB
Module temperature within ±3 ºC of alignment, pre-amp OFF
±1.46 dB
±1.34 dB
±1.54 dB
±1.48 dB
±1.18 dB
±1.08 dB
Module temperature within ±3 ºC of alignment, pre-amp ON
±1.68 dB
±1.60 dB
±1.55 dB
±1.49 dB
±1.09 dB
±0.96 dB
±1.36 dB
±1.28 dB
0 dBm
+4 dBm
+12 dBm
+30 dBm
Controlled temperature range
Total absolute
amplitude
accuracy
9
8
±1.27 dB
±1.19 dB
±1.22 dB
±0.96 dB
±1.16 dB
±0.94 dB
±1.18 dB
±1.21 dB
±0.85 dB
±1.04 dB
@ 46 ºC module temp
typical
Absolute
Total absolute amplitude
amplitude
accuracy
accuracy
9
±1.21 dB
±0.46 dB
±1.13 dB
±0.46 dB
±1.17 dB
±0.45 dB
11
±0.85 dB
±0.33 dB
±1.09 dB
±0.45 dB
±0.86 dB
±0.36 dB
12
±1.10 dB
±0.39 dB
±1.15 dB
±0.45 dB
±0.72 dB
±0.29 dB
±0.96 dB
±0.39 dB
,
10
8
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