Purpose:
This module will discuss the main features and subassemblies of
the Spectrum system.
The major points are:
-- Open architecture
-- Based on industry standards
-- Major hardware subassemblies and their functions
-- Various software environments (NT, TDE, APG,…)
-- Software tools
-- Add-on applications
[upload=bmp]uploadImages/200431192854.bmp[/upload]作者: tony0716 时间: 2004-3-11 09:33
[upload=bmp]uploadImages/200431193117.bmp[/upload]
Smaller, lighter fixtures for dense boards:
1280 node interface 18” x 9”
2560 node interface 18”x 16”
5120 node interface 33” x 16”
Simpler integration with board handlers
Users customize interface via removable PFT pin modules
Wireless Fixture Compatible
No External Vacuum Hoses
PC/ Windows NT operating system: True multitasking, Wide range of third party tools, standard platform for functional test.
Supports Windows DLL, DDE, OLE standards (Dynamically Linked Libraries, Dynamic Data Exchange, Object Linking and Embedding): Allows interaction with other windows programs.
High level hardware APIs (analog, digital, system functions): User control of tester functions.
C++ test algorithms: Users create their own worksheets for specialized functions.
National Instruments LabWindows/CVI: Industry standard graphical programming, driver support for a wide range of third party VXI and IEEE instruments.作者: tony0716 时间: 2004-3-11 09:37
DSP-based Digital Test Instrument
40 MHz TMS320C31
Fully VXI compliant device
4(-00),32(-01) or 64(-02) Mbyte DRAM Pattern Memory, expandable to 64Mbyte
5 MHz pattern rate at DUT
32 Bit high throughput VXI Device
Full VXI bus support
Advanced test functions
VP hold & homing loops for synchronization to DUT
Programs Flash, NVM, ISP FPGAs, and PLDs
True synchronous analog/digital mixed mode testing
64 Kbytes Logic Analyzer Memory expandable to 1 Mbyte
4 User Serial Ports
VP HOLD
16 bit User Utility I/O Interface
Direct connect, +24V OC, 250 ma drivers
Fixture Interlock
1 pin closed contact high voltage protection
Fixture ID - Dedicated 8 bits作者: tony0716 时间: 2004-3-11 09:40
PRecision Integrated Signal Measurement module
State of the art DSP based instrument
Fully VXI compliant device
Digitally synthesized stimulus
Digital to analog converter design
more flexible than fixed analog circuitry
Digital measurement sampling
Analog to digital converter design
DSP algorithms
Auto-settling
successive approximations
Low noise system environment
-110dB to 100kHz
DSP-based analog measurement system
250 analog test per second throughput
High performance A to D conversion (16 bit A/D)
R, C, L, RC, RL, diode, zener, transistor ß tests standard
High speed, high accuracy proprietary “DSP Bridge mode” for small capacitor, RC tests
High speed Hi-Cap test using DSP stabilization techniques
On-board temperature-stabilized reference with a simple, one-year calibration cycle (15 minutes typical cal time)
Test verification capacitors and resistors to parallel with the DUT component
High power resistors available for fast capacitor discharge up to 100V
Wide operating temperature range 15oC – 35oC, < 80% humidity non-condensing.
128 Nodes per CC2 card assembly
Analog Relay Matrix
Full 6 wire sensing capability
Shielded Traces (SysCap low and consistent)
Socketed Relays
Diagnostics to the Relay
Programmable Drive Levels
Drive Range -4.3V to +4.3V
32 Pin Groups
Programmable Dual Threshold Receive
Input Ranges
-5V to +5V
High V Input Range, -15V to +15V
+/-10 volt threshold programmable
Programmable termination per pin
4.75KW to Vterm (-5V to +5V, programmable作者: tony0716 时间: 2004-3-11 09:42
