Automatic testing of controlled impedance PCB coupons and of controlled impedance coupons, PCB´s and production panels

In response to the increasing volume of PCBs with controlled impedance, Polar Instruments has developed a turnkey system for automated impedance testing of PCBs and coupons in a production environment.

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RITS 880 automates the industry standard CITS 880s (Controlled Impedance Test System) to give fast, repeatable volume testing of coupons and PCBs. CITS 880s employs proven technology and is currently used worldwide for manual testing of controlled impedances. Even if you have not had much experience of electrical or RF testing before, you will find RITS 880 easy to use. The system is controlled via easy to use Windows software. Test set-up is straight forward, results data is autmatically logged in accessible formats, and there is the option of a built-in report generator. High speed technologies, faster processors, accelerated graphics and faster communications require more system bandwidth. The evolving demands of multi-media applications and three-dimensional graphics, mean that high bandwidth printed circuit interconnect is now essential to sustain system performance. The challenge for the PCB industry is to develop reliable, repeatable processes for cost-effective volume manufacture of this next-generation interconnect technology.

RITS 880 flying probe technology provides unparalleled levels of measurement repeatability. New test programms can be generated within minutes from existing CAD data or via manual teach-in.

Accurate, traceable measurement RITS 880 uses proven time domain reflectometry (TDR) techniques to measure the reflection of fast rise-time pulses. High precision reference airlines – traceable to NPL and NIST standards – ensure repeatable measurement accuracy to allow the trace impedances to be controlled.

Datalogging and statistical process control

RITS 880 verifies impedance characteristics at each test point, logging results data and identifying each board as pass or fail. In addition, with the powerful datalog report generator (DRG) option, you can record results in useful statistical formats, and generate reports automatically. Minimum, maximum and average impedance measurements are logged, along with standard deviations for each batch and statistical process control values Cp and Cpk. All data is saved in pipe-delimited ASCII format, for world-wide compatibility with popular analysis and reporting packages. You can produce customer conformance reports, including pass only data, as well as reports showing all test results for internal records or analysis. Use the Polar CGen Coupon Generator for generating impedance test coupons. If you have already invested in Polar CITS 880 the RITS 880 can be purchased as an upgrade to your existing Polar system, please check with your local Polar representative for compatibility and upgrade options for your system. This is a very economic way for you to extend your impedance test capability and increase the value of your existing investment. RITS 880 can be supplied in two configurations,

• Stand alone to add to your existing CITS880s

• Complete with CITS 880s – for applications with a mix of single ended and differential test.