HP / Keysight / Agilent 105B Overview
Front-panel fine and coarse frequency adjustments are also available. Among the many features found in the 105B, it has rapid warm-up which typically will be within 5 parts in 10E+09 of the final frequency within 15 minutes after an "off" period of less than 24 hours. The distortion below rated output is >40 dB (harmonic) and >80 dB (non-harmonic). This unit also allows phase locking; external +5 V and -5 V allows 2x10E-08 frequency control for locking to external source. The unit has a built-in 8-hour standby battery for uninterrupted operation should line power fail.