05 | Keysight | M9300A PXIe Frequency Reference - Data Sheet

Technical Specifications and Characteristics (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

< ± .5 ppb/day, after 72 hour warm-up, nominal

Yearly

< ± .10 ppm/year, after 72 hours warm-up, nominal

Total 10 years

< ± 0.6 ppm/10yrs, after 72 hours warm-up, nominal

Achievable initial calibration accuracy (at time of shipment)

Frequency stability - Temperature effects

20 to 30 °C

< ± 10 ppb, nominal

Full temperature range

< ± 50 ppb, nominal

Frequency stability - warm up

5 minutes over +20 to +30 °C, with respect to 1 hour

< ± 0.1 ppm, nominal

15 minutes over +20 to +30 °C, with respect to 1 hour

< ± 0.01 ppm, nominal

External reference input

Frequency

1 MHz 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