8 | Keysight | M9391A PXIe Vector Signal Analyzer 1 MHz to 3 or 6 GHz - Specifications Guide
Technical Specifications and Characteristics
Frequency (continued)
Frequency reference (M9300A PXIe frequency reference module)
Reference outputs
100 MHz Out (Out 1 through Out 5)
Amplitude
≥ 10 dBm
13 dBm, typical
Connectors
5 SMB snap-on
Impedance
50 Ω, nominal
10 MHz Out
Amplitude
9.5 dBm, nominal
Connectors
1 SMB snap-on
Impedance
50 Ω, nominal
OCXO Out
Amplitude
11.5 dBm, nominal
Connectors
1 SMB snap-on
Impedance
50 Ω, nominal
Frequency accuracy
Same as accuracy of internal time base or external reference input
Internal timebase
Accuracy
± [(time since last adjustment x aging rate) ± temperature effects
± calibration accuracy]
Frequency stability
Aging rate
Daily
< ±0.5 ppb/day, after 72 hours of warm-up
Yearly
< ±0.1 ppm/year, after 72 hours of warm-up
Total 10 years
< ±0.6 ppm/10yrs, after 72 hours of warm-up
Achievable initial calibration accuracy
(at time of shipment)
±5 x 10
-8
Temperature effects
20 to 30 °C
< ±10 ppb
Full temperature range
< ±50 ppb
Warm up
5 minutes over +20 to +30 °C, with respect to 1 hour
< ±0.1 ppm
15 minutes over +20 to +30 °C, with respect to 1 hour
< ±0.01 ppm
External reference input
Frequency
1 to 110 MHz, sine wave
Lock range
±1 ppm, nominal
Amplitude
0 to 10 dBm, nominal
Connector
1 SMB snap-on
Impedance
50 Ω, nominal
