15 | Keysight | M9391A PXIe Vector Signal Analyzer - Data Sheet
Technical Specifications and Characteristics
Spectral purity (continued)
Residuals, images & spurious responses
Non-input related spurs 29
Conversion type
Frequency
Nominal
Expected input level
Pre-amp ON
≤ 0 dBm (measured at −50 dBm)
Single
All
All 30
< −120 dBm
< −120 dBm
Image protect
Pre-amp OFF
< +5 dBm (measured at −50 dBm)
Single
≤ 3 GHz
> 3 GHz
All 31
< −120 dBm
< −116 dBm
< −105 dBm
< −98 dBm
< −90 dBm
Nominal
Image protect
Single
≥ +5 dBm (measured at +6 dBm)
All
All 32
Image protect
Offsets from carrier
200 to 10 kHz
10 kHz to 10 MHz
Offsets from carrier
≥ 10 MHz
LO related spurs 33
Frequency
All
− 82 dBc
− 55 dBc
All
First order RF spurious responses 34
Higher order RF spurious responses 34
Image responses 35
Frequency
≥ 200 MHz to 6 GHz
Frequency
≥ 200 MHz to 6 GHz
Frequency
All
Nominal
−60 dBc
Offsets from carrier
≥ 10 MHz
Nominal
−60 dBc
Conversion type
Image protect
IF bandwidth filter
15 MHz
Nominal
< −68 dBc
Nominal
IF rejection 36
Frequency
≤ 400 MHz
> 400 MHz
≤ 450 MHz
> 450 MHz
All
< −57 dBc
< −105 dBc
< −57 dBc
< −98 dBc
< −85 dBc
Nominal
40 MHz
160 MHz
LO emission 37
Conversion type
Single
Frequency
≤ 3 GHz
> 3 GHz
All
−72 dBm
−62 dBm
−88 dBm
Image protect
29. Mixer level offset at 10 dB, input terminated, with 50Ω load.
30. From 4.72 to 4.88 GHz, specification at <-108 dBm, nominal.
31. From 4.72 to 4.88 GHz, specification at <-96 dBm, nominal.
32. From 4.72 to 4.88 GHz, specification at <-80 dBm, nominal.
33. Expected input level 0 dBm. Mixer offset level -10 dB.
34. Conversion type: image protect, pre-amp OFF, expected input level -20 dBm and mixer level offset 0 dB.
35. Excitation frequency: [F=2*Final IF] MHz, expected input level -20 dBm, mixer level offset -30 dB.
36. Suppression of signal at IF frequencies when tuned at least 2 x IF BW away.
All input paths, image protect, expected input level -30 dBm. Input signal at -30 dBm and mixer level offset 0 dB.
37. Expected input level -50 dBm. Mixer level offset +10 dB.
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