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Eudyna Releases APD

Eudyna unveils new class of performance of APD receivers

March 7, 2005

2 Min Read

SAN JOSE, Calif. -- Eudyna Devices announces new avalanche photodiode (APD) products for 10G DWDM optical transmission and FTTx applications. Eudyna, formerly Fujitsu Compound Semiconductor, is the company who first introduced the low noise germanium APD in 1979. As a leading company in APD products for the telecom market, Eudyna continues to strive for the best. The new series of 10G APD/TIA receiver modules provide advanced performance in terms of low noise and high sensitivity for 10G SONET LR-1, LR-2 and DWDM applications. The other new development of the APD chip features low operating voltage for SFP and SFF module applications and for ever-growing FTTx markets. The new APD products are backed by a long history of Eudyna's proprietary chip design and technology. Sample shipments will start in April.

The ERA1401 series APD/TIA receivers are integrated with newly developed extra-low-noise transimpedance amplifier ICs. They achieve a high sensitivity of less than -28dBm that leads to a large system design margin with 10G LR-2 of ITU-T specification. The ERA1401 series APD/TIA receivers are the product that offers top level sensitivity and mass-production capability with high reliability for today's market. The high sensitivity APD/TIA receivers are available in various packages -- compact cubic type (XMD-compliant ROSA), surface mount and coplanar package.

The new APD chip which has low breakdown voltage of 40V at 25C and less than 50V at 85C is specially designed and developed for SONET OC-48 and FTTx applications, especially for ROSA and CAN APD/TIA receivers. Because of the low voltage operation, optical transceiver module designers can have extra-space for other devices and achieve low power consumption for compact modules like SFP and SFF. Another feature of this new APD is its large photosensitive area (50um in diameter) while keeping RF performance. This feature directly contributes "easy-align" optical coupling assembly, this is critical to applications like Diplexer (BOSA) and Triplexer.

Eudyna Devices Inc.

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