8 PN: 068-0138-00 Rev AH
Architectural Features
The X-Series of testers provide the following architectural features:
1. All Instrumentation is contained in the testhead. This includes digital, mixed
signal, DC and RF.
2. Card based instruments reside on the same backplane as the DUT.
3. A common synchronization bus on the TestHead backplane tightly couples the
instruments to the digital subsystem.
4. Instrumentation designed to address high-volume markets such as wireless and
power-management devices.
Tester Communications
The Test System resides on a network that may contain any number of workstations,
disk drives, tape drives, and Test Systems. Figure 6 details a typical network.
Work Station/Tester Controller
Workstations are used to generate test programs, data bases and to execute
commands on the X-Series Test System. Once a test program is created and
debugged, it must be downloaded from mass storage into the X-Series Test System
for execution. The command to execute a test program originates from a Work Station.
The Workstation comprises a CPU with memory and connections for a high resolution
monitor, keyboard, mouse, local hard disk storage and a floppy disk or CD ROM drive.
The Work Station allows the application engineer to develop test programs
independently of the Test System. In the manufacturing/test environment, the Work
Station enables the floor manager to assign test programs to the Fusion CX test station
as well as to monitor and execute diagnostic and calibration programs.
Ultra Sparc Unix Workstation/ Tester Computer
The Ultra Sparc Unix Computer connects the X-Series test system to the network. An
on board network interface on the motherboard is used as the interface between the
ethernet network and the EX test system in Sun Sparc equipped systems. The Sparc
Nic is connected to the test hardware by a PCI to Stepbus adaptor allowing the NIC to
communicate with the system via the StepBus.
INTEL X86 based Workstations
Testers provided with Intel X86 based processors are shipped loaded with Linux. The
current Linux workstation being shipped is a Dell or Avnet with 4Gb of ram and dual
Xenon processors. These workstations also have a PCI bus and communicate with the
tester via a HSS bus.
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