06 | Keysight | M9380A PXIe CW Source 1 MHz to 3 GHz or 6 GHz - Data Sheett
Technical Specifications and Characteristics (continued)
Frequency (continued)
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 hour warm-up
< ±0.1 ppm/year, after 72 hours warm-up
< ±0.6 ppm/10yrs, after 72 hours warm-up
±5 x 10 -8
Yearly
Total 10 years
Achievable initial calibration accuracy (at time of shipment)
Temperature effects
20 to 30 °C
< ±10 ppb
< ±50 ppb
Full temperature range
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 MHz to 110 MHz, sine wave
±1 ppm, nominal
Lock range
Amplitude
0 to 10 dBm, nominal
1 SMB snap-on
Connector
Impedance
50 Ω, nominal
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