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RI ATE System Basic Architecture


Both Cassini and the RI7100A systems are based on a single channel receiver design. The system uses simple test and measurement hardware to perform all measurements and relies on its object-oriented system software to control the measurement process, analyze the data, and provide a graphical user interface.

The measurement process is simple and direct, signals to and from the device-under-test (DUT) are provided through several types of connection schemes:

    • Independent On Wafer Coplanar Probes
    • On Wafer Probe Cards or Membrane Probes
    • A Device Contactor Assembly (socket) & DUT Interface board
These contact devices can be connected to the universal RF Test Head of the RI7100A through a hard dock Fixture or soft docked with individual cables.

The System Hardware

Cassini RF ATE System has 3 major components:RI 7100A RF ATE System consists of 12 major components:
  • Infrastructure
    • System Rack (Large or Small)
    • System Power Supply
    • System Controller with RIFL II or III
    • RF Test Head, Fixture and DUT Interface
  • Rack Modules
    • System Receiver
    • RF Sources
  • Test Instrument Modules (TIMs)
    • Testset
    • DC and RF Instruments
    • System Rack
    • System Power Supply
    • Synthesized Microwave Sources
    • RF System Matrix
    • RF Test Fixture and DUT Interface
    • Test Fixture Docking system
    • Programmable DUT Controller
    • RF Test Head
    • System Receiver
    • System Controller with RI Fiber Link (RIFL II)
    • RI System Software Package


An overview of each of the ATE system's major components will be covered in later chapters with more detail. It is good to understand how the system is designed to get maximum efficiency when using the ATE system in production.



Operating the System
    • System power up sequence
      • Emergency Off
    • Using Fixture and DUT Board
    • Docking with a Handler
    • Using the System Controller (RIFL, OS2)
    • Start and Stop RI System software
    • Using OS/2 and the RI System Software

The following lessons describe how to use RI ATE systems and are designed to help you become familiar with the RI platform. After learning how to operate the system, the various instruments and hardware components are identified.


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