50 Chapter 3
Adjustment
Required Adjustment after Replacing Assembly
Receiver IF Gain/Flatness Dir Adjustment
The purpose of this procedure is to adjust the IF gain / flatness of the A6 phase detector
board.
Required equipment for the receiver IF gain/flatness adjustment
LO Sampler PLL BW Adjustment
The purpose of this procedure is to adjust the LO sampler PLL BW of the A4/A5 local
synthesize modules.
Required equipment for the LO sampler PLL BW adjustment
Description Recommended Model
Function Generator Keysight 33250A
50 ohm Termination Keysight 909C Opt. 012
Multimeter Keysight 3458A, Keysight 34401A, Keysight
34410A or Keysight 34411A
Power Sensor Keysight E9304A Opt. H18 or Keysight E9304A
Opt. H19
Power Meter Keysight E4419A/B
Power Splitter Keysight 11667A
BNC(m)-BNC(m) Cable, 61 cm Keysight p/n 8120-1839
Feed Thru Termination Keysight p/n 04192-61002
BNC(f)-Banana Adapter Keysight p/n 1251-2277
N(f)-BNC(m) Adapter Keysight p/n 1250-1477
N(m)-BNC(f) Adapter Keysight p/n 1250-0780
N(m)-N(m) Adapter Keysight p/n 1250-1475
Description Recommended Model
Signal Generator Keysight E8257D with Opt. UNX, UNT, 1EA
without Opt. UNW, 1EH
N(m)-N(m) Cable Keysight N6314A (p/n 8120-8862)
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