Adva Optical Networking Se

Adva Ag Optical Networking

Toni Wald

Michael Eiselt

Sven Liborius

The invention relates to a method of cooling electronic circuit boards using surface mounted devices (SMD), the method comprising the steps of: after or during the board layout, filling empty spaces V, V, V, V, V, V, V, V, V, Vwith at a number of heat sink devicesnear a thermal hot spot and connecting the number of heat sink devicesto a thermally conducting pathof the board N, respectively. Further, the invention relates to a heat sink deviceadapted to implement the method according to the invention.

Method of cooling electronic circuit boards using surface mounted devices

The invention relates to a method and an arrangement for measuring power for an optical user signal transmitted via an optical fiber by converting the transmitted optical user signal into a pulsed optical measurement signal, the pulse repetition rate of which is dependent on the power of the transmitted optical user signal, and evaluating the pulse repetition rate of the converted optical measurement signal in order to ascertain the power of the optical user signal transmitted via the optical fiber.

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Kaltennordheim, Germany

Toni Wald