Phase Noise Measurement – cont’d
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1
E5052B SSB-PN Sensitivity
10 MHz
100 MHz
1 GHz
10
100
1k
10k
100k
1M
10M
100M
Offset frequency [Hz]
Figure 1-1. SSB phase noise sensitivity (E5052B, SPD) (LO < 150 kHz
optimized, +5 dBm input, start offset frequency = 1 Hz, measurement time =
12.9 sec.)
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–90
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–120
–130
–140
–150
–160
–170
–180
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–200
1
E5052B-011 SSB-PN Sensitivity
10 MHz
100 MHz
1 GHz
10
100
1k
10k
100k
1M
10M
100M
Offset frequency [Hz]
Figure 1-2. SSB phase noise sensitivity (E5052B Option 011, SPD)
(LO < 150 kHz optimized, +5 dBm input, start offset frequency = 10 Hz, measurement
time = 3.3 sec.)
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1
E5052B SSB-PN Sensitivity Improvement by Correlation @1 GHz
corr. = 1
corr. = 10
corr. = 100
10
100
1k
10k
100k
1M
10M
100M
Offset frequency [Hz]
Figure 1-3. SSB phase noise sensitivity improvement by correlation
(E5052B, SPD) (carrier 1 GHz, LO < 150 kHz optimized, +5 dBm input, start offset
frequency = 1 Hz)
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–120
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–160
–170
–180
–190
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1
E5052B SSB-PN Sensitivity Change by L.O. Phase Optimization @1 GHz
< 150 kHz opt.
> 150 kHz opt.
10
100
1k
10k
100k
1M
10M
100M
Offset frequency [Hz]
Figure 1-4. SSB phase noise change by LO optimization (SPD)
(carrier 1 GHz, +5 dBm input, start offset frequency = 1 Hz, reference oscillator:
narrowband)
Spectrum Monitor Measurement
Table 2-1. Spectrum monitor performance
Description
RF frequency range
Monitoring span
RBW
Measurement parameters
Absolute measurement uncertainty
Relative measurement uncertainty
Residual noise floor
Measurement trigger
Specification
10 MHz to 7 GHz
15 MHz maximum with linear scale
1.53 Hz to 400 kHz
dBm, dBV, watt, volt,
dBm/Hz, dBV/Hz, watt/Hz,
V/√–Hz
± 2 dB typical @ –10 dBm (att. = 10 dB)
± 1.5 dB (–60 dBm to –10 dBm, ratio)
–95 dBm typical @ RBW = 24.4 Hz
continuous/single/hold source:
internal/external/manual/bus
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1
E5052B SSB-PN Sensitivity Change by Reference Oscillator Bandwidth @100 MHz
Narrow
Wide
10
100
1k
10k
100k
1M
10M
100M
Offset frequency [Hz]
Figure 1-5. SSB phase noise sensitivity change by reference oscillator
bandwidth (SPD) (carrier 100 MHz, +5 dBm input, start offset frequency = 1 Hz,
LO optimization: < 150 kHz)
5