Agilent Technologies PSA Series Service Manual page 291

Figure 10-26 Cable Locations, Front End Driver
E4446A, E4447A, E4448A
Reference Description
Designator
W23 W23 Cable, coax, 28V to rear panel from A13 Front End Driver
W25 W25 Cable, ribbon, YTO Control
W29 W29 Cable, ribbon, A13 Front End Driver to A14 Attenuator A
W30 W30 Cable, ribbon, A13 Front End Driver to A15 Attenuator B
W31 W31 Cable, ribbon, A13 Front End Driver to A20 Lowband
Assy.
W47 W47 Cable (97), coax, Preselector Tune Out A13 Front End
Driver to Rear Panel
W49 W49 Cable, ribbon, Preamp control from A13 Front End Driver
to A22 Preamp Assy. (Option 1DS)
W53 W53 Cable ribbon, Electronic Attenuator control from A13
Front End Driver to A27 Electronic Attenuator (Option B7J)
W58 W58 Cable, ribbon, A13 Front End Driver J10 to A30 FIFA
W69 W69 Cable, ribbon, 20 pin, SBTX Digital Control, A29 SBTX
Driver to A13 Front End Driver
W70 W70 Cable, ribbon, 14 pin, SBTX Power, A29 SBTX Driver to
A13 Front End Driver
Chapter 10
Replaceable Parts Lists and Locations
Hardware
Agilent Part
Number
8121-0958
E4440-60069
E4440-60071
E4440-60071
E4440-60072
8121-0153
E4440-60073
E4440-60078
E4440-60073
E4446-60009
E4446-60010
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