Theory of Operation
7
90000 A-Series Service Guide
129
Block-Level Theory
The main components of the Infiniium 90000 A-Series oscilloscopes are described
here.
Motherboard
The motherboard provides all system control and interface functions for the
oscilloscope. It contains a CPU, ROM, and RAM; keyboard and mouse interfaces,
serial and parallel interfaces, CDROM, hard disk drive interface, PCI buses, etc.
Acquisition Assembly
The acquisition assembly consists of two identical acquisition boards. These two
boards connect to the backplane board.
Backplane and acquisition boards
Summary of Contents for Infiniium 90000A Series
Page 1: ...Keysight Infiniium 90000 A Series Oscilloscopes Service Guide...
Page 6: ...6 90000 A Series Oscilloscopes Service Guide...
Page 12: ...12 90000 A Series Service Guide 1 General Information...
Page 18: ...18 90000 A Series Service Guide 2 Calibration...
Page 116: ...116 90000 A Series Service Guide 5 Replacing Assemblies...
Page 120: ...120 90000 A Series Service Guide 6 Replaceable Parts Fan and Acquisition Assembly...
Page 121: ...Replaceable Parts 6 90000 A Series Service Guide 121 Power Supply and PC Motherboard...
Page 122: ...122 90000 A Series Service Guide 6 Replaceable Parts Sleeve and Accessory Pouch...
Page 128: ...128 90000 A Series Service Guide 7 Theory of Operation Oscilloscope block diagram...
Page 135: ......