IXYS' Subsidiary, Directed Energy, Inc., Introduces the PDG-2515/2520 Two/Four Channel Digital Delay/Pulse Generators

Business Wire, Sept 23, 2005

SANTA CLARA, Calif. -- IXYS Corporation (NASDAQ:SYXI) announced that its subsidiary, Directed Energy, Inc. (DEI), has introduced the PDG-2515/2520 precision digital delay and pulse generators providing two or four output channels, each with independently adjustable delay and pulse width. The accuracy, precision and flexibility of the PDG-25 Series makes it well suited for use in laser timing, automated testing and precision pulse applications.

The PDG-25 Series can be triggered internally from 100 millihertz to 1MHz within 1% accuracy and up to 3MHz. External and single-shot (front panel push-button) are also supported. In external trigger mode, the maximum trigger frequency is 5MHz. The delay and pulse width of the two outputs can be set from 0 to 99 seconds relative to the trigger with 25 nanoseconds resolution on its highest precision range.

Operating modes include continuous (pulse generator), pulse count, divide-by-N, burst and counted burst, providing flexible control of the pulse outputs. The outputs can also be logically related using AND & OR at either output to create unique waveforms or gate enable pulses.

The PDG-25 Series is operated through its intuitive front panel controls. Up to five system configurations may be stored in internal non-volatile memory, providing instant recall of frequently-used configurations.

For more information on this and other innovative products from DEI, please contact DEI by phone at (970) 493-1901 x26 or by fax at (970) 493-1903. DEI can also be contacted on its website at www.directedenergy.com.

DEI is a leading supplier of high-speed, high-power laser diode drivers and pulse generators. Directed Energy, Inc. is a wholly owned company of IXYS Corporation, a leading supplier of semiconductors and modules for the global power electronics market. Additional information about Directed Energy and IXYS can be found at www.directedenergy.com, and at www.ixys.com, or by contacting the Company directly.

Any statements contained in this press release that are not statements of historical fact, including the performance, rating, benefits, reliability, property, availability and suitability of products for various applications, may be deemed to be forward-looking statements. There are a number of important factors that could cause the results of IXYS to differ materially from those indicated by these forward-looking statements, including, among others, risks detailed from time to time in the Company's SEC reports, including its Annual Report on Form 10-K for the year ended March 31, 2005. The Company undertakes no obligation to publicly release the results of any revisions to these forward-looking statements.