Anritsu 682XXB - Manual (Page 59)

(for 682X5B/683X5B models) to adjust the RF out-
put power level.
Step
Attenuator The optional step attenuator provides up to 110 dB
(90 dB for 50 GHz and 60 GHz models) attenuation
of the RF output in 10 dB steps. The step attenuator
drive current is supplied by the A9 PIN Control
PCB.
682XXB/683XXB MM 2-31/2-32
FUNCTIONAL RF DECK
DESCRIPTION ASSEMBLIES