NORTH READING, Mass. – March 30, 2008 – Teradyne, Inc. (NYSE:TER), the leading supplier of automatic test equipment for microwave semiconductors, announced Cambridge Silicon Radio (CSR) of Cambridge, England accepted the 350th shipment of the Teradyne(R) Gen4. CSR uses the Gen4 on its large installed base of FLEX(TM) test systems to test their BlueCore(R) device, the world's leading single-chip Bluetooth solution that is ranked first in every Bluetooth market segment. CSR’s BlueCore ICs are widely used in a variety of wireless products we turn on everyday like mobile phones, wireless headsets and almost all new models of laptop personal computers with Bluetooth capability.

"Since our beginning, CSR has chosen Teradyne for quality, low-cost-of-test solutions that help us stay ahead in the field of emerging wireless technologies,” said Patrick McNamee, vice president of product engineering, CSR. “It seems fitting to celebrate this significant milestone with Teradyne, the leader in wireless device test, who has enabled us to cost effectively test the millions of current generation wireless devices found in today’s consumer goods.  Teradyne’s wireless test product roadmap gives us confidence that the FLEX family will continue to offer the best economics through high-efficiency, multisite test for the next generation of wireless devices.”

“We’re pleased CSR is receiving the 350th shipment of the Gen4 Microwave instrument,” said Charles Grapy, Europe field operations manager, Teradyne. “The broad acceptance of the FLEX family by wireless manufacturers and subcontract test houses clearly differentiates Gen4 in the marketplace, and we value customers like CSR who have fueled its success.”

Teradyne’s FLEX test family, with over 1600 test systems shipped, advances test technologies in an architecture designed for high-efficiency, multisite test. FLEX family systems readily adapt to new test requirements. With a Universal Slot architecture and high-density instrument design, test engineers can dynamically match system configurations to changing production requirements on the test floor.

Teradyne wireless device test solutions, the Gen4 Microwave and the recently introduced UltraWave RF test instrument, cover the broadest range of complex wireless test requirements, including wireless LAN, Bluetooth, set-top box (STB), cellular, and new emerging standards like WiMax® and ultrawideband. With 12 GHz operating range for both source and measure, a Universal RF port architecture, and unprecedented phase noise performance for RF ATE, UltraWave provides flexible configurations to meet the most demanding wireless device test requirements for current and next generation devices.

To learn more about the FLEX test family, visit http://www.teradyne.com/flex/.

About CSR
CSR is the leading global provider of personal wireless technology.Its product portfolio covers Bluetooth, GPS, FM receivers and Wi-Fi (IEEE802.11). CSR offers developed hardware/software solutions, based around its silicon platforms, that incorporate fully integrated radio, baseband and microcontroller elements. CSR's customers include industry leaders such as Apple, Dell, LG, Motorola, NEC, Nokia, Panasonic, RIM, Samsung, Sharp, Sony, TomTom and Toshiba. CSR has its headquarters and offices in Cambridge, UK, and offices in Japan, Korea, Taiwan, China, India, France, Denmark, Sweden and both Dallas and Detroit in the USA. More information can be found at www.csr.com.

About Teradyne
Teradyne (NYSE:TER) is a leading supplier of Automatic Test Equipment used to test complex electronics for the consumer electronics, automotive, computing, telecommunications, and aerospace and defense industries. In 2007, Teradyne had sales of $1.1 billion, and currently employs about 3800 people worldwide. For more information, visit www.teradyne.com. Teradyne (R) is a registered trademark of Teradyne, Inc. in the U.S. and other countries. BlueCore® is a registered trademark of CSR.  BlueTooth® is a registerd trademark of Bluetooth SIG, Inc. All product names are trademarks of Teradyne, Inc. (including its subsidiaries) or their respective owners.

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