Technical data

4-4 Service Guide 85309-90082
Service LO/IF Distribution Unit
Replaceable Parts 85309B
Replaceable Parts Listings
Table 4-1 Major 85309B Assemblies (Standard)
Reference
Designator
Part Number Qty Description
A1 85309-60135 1 PC board, Display
A2 85309-60134 1 PC board, ALC/REG
A10 0955-0791 1 Low pass filter, 30 MHz
A11 0955-2245 1 Power divider, 18 GHz, 4-way
A12 5087-7755 1 RF amplifier, 0.3 to 18 GHz (Ref Chan)
A13 5087-7755 1 RF amplifier, 0.3 to 18 GHz (Test1 Chan)
A14 85309-80026 1 IF amplifier, 0.5 to 500 MHz (Ref Chan)
A15 85309-80026 1 IF amplifier, 0.5 to 500 MHz (Test1 Chan)
A16 5076-6336 1 Diplexer (Test1 Chan)
A17 5087-7768 1 RF amplifier, 0.3 to 18 GHz (Input)
A18 85309-61601 1 Potentiometer, 5K ohm + 5PCT 1W 10-Turn Wirebound
A19 5076-6336 1 Diplexer (Ref Chan)
A22 0950-5271 1 Power supply unit
A43 85110-80015 1 Filter, 30 MHz low pass (Test1 Chan)
AT3 33340-67007 1 Coax, attenuator, sloped (Ref Chan)
AT4 33340-67007 1 Coax, attenuator, sloped (Test1 Chan)
B1 54574-68501 1 Fan assembly
SW1 85309-61607 1 Switch, SPDT