Atec Agilent-N5181B-N5182B - Manual (Page 5)

5
Frequency reference
Accuracy
± aging rate
± temperature effects
± line voltage effects
Internal time base reference oscillator aging rate 1
< ± 1 x 10^-7/year, nominal
< ± 5 x 10^-10/day after 30 days, nominal
Adjustment resolution < 1 x1 0^-10, nominal
Temperature effects < ± 2 x 10^-8, nominal
Line voltage effects < ± 1 x 10^-9 for ± 10% change
Reference output
Frequency
10 MHz
Amplitude ≥ +4 dBm, nominal into 50 Ω load
External reference input
Input frequency, standard
10 MHz
Input frequency, Option 1ER 1 to 50 MHz (in multiples of 0 .1 Hz) 2
Lock range ± 1 ppm
Amplitude –3 dBm to +20 dBm, nominal
Impedance 50 Ω, nominal
Waveform Sine or square
Sweep modes (frequency and amplitude)
Operating modes Step sweep (equally spaced frequency and amplitude or
logarithmically spaced frequency steps)
List sweep (arbitrary list of frequency and amplitude steps)
Simultaneously sweep waveforms with N5182B; see Baseband
Generator section for more detail
Sweep range Within instrument frequency range
Dwell time 100 µs to 100 s
Number of points 2 to 65535 (step sweep)
1 to 3201 (list sweep)
Step change Linear or logarithmic
Triggering Free run, trigger key, external, timer, bus (GPIB, LAN, USB)
1. Aging rate is determined by design as a function of the OCXO.
2. Close-in phase noise will degrade when reference input is tuned away from 10 MHz.