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News from Everett Charles Technologies

Everett Charles Technologies Debuts “Plunge to Board” RF Probe Designs for Accurate and Repeatable Broadband Measurements

Jun 15, 2012

 Everett Charles Technologies (ECT) announces that it now offers a wide variety of high-frequency, controlled-impedance, spring contact probes for broadband measurement applications. Beginning decades ago with the development of the legendary K-50 product, ECT has continued to expand its product line to interface with the ever-expanding types of launch design patterns on contemporary PCBs.

The K-50 Series probes utilize independent probes arranged to effectively create a ground “shield.” The independent probes offer a tremendous advantage compared to cylindrical ground shield designs in that the probes can articulate to absorb much greater device-under-test (DUT) tolerances, fixture tolerances and flexure when used in “plunge-to-board” test applications.

Each of the ground and signal probes are replaceable and feature an instrument grade Pogo Pin architecture, which is designed for up to 90 percent compression vs. the 2/3rds compression limit of typical Pogo designs. The K-50 Series is designed to be used as a port extender for network analyzers and can be used freehand or mounted in a test fixture as a modular component. Additionally, the probes can be transferred to a new fixture upon revision or obsolescence of the DUT.  

With highly repeatable measurement capabilities ranging from 4-12 Ghz, the K-50 Series products offer a convenient off-the-shelf solution for reliable broadband measurements in high-volume manufacturing environments.

Standard or custom K-50 Series probes can be ordered from ECT directly or via distribution partners and are featured in ECT’s latest Automotive and Industrial Catalog. Visit to download an eCatalog version. To learn more, contact Brian Crisp at

Everett Charles Technologies is a subsidiary of Dover Corporation (NYSE: DOV) a leading manufacturer of electrical test products and services, including Pogo test contacts, semiconductor test products, bare-board automatic test systems, and bare and loaded PCB test fixtures.  ECT manufacturing, service, and support facilities are ISO registered with locations throughout the United States, Europe, and Asia.  The company has been awarded numerous patents and participates actively in developing industry standards.  Corporate offices for Everett Charles Technologies are located at 700 E. Harrison Ave., Pomona, California, USA, 91767.  Additional information about ECT is available via the Internet at


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Everett Charles Technologies Debuts “Plunge to Board” RF Probe Designs for Accurate and Repeatable Broadband Measurements news release has been viewed 2427 times

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