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About information presented in this cross reference

The information presented in this cross reference is based on TOSHIBA's selection criteria and should be treated as a suggestion only. Please carefully review the latest versions of all relevant information on the TOSHIBA products, including without limitation data sheets and validate all operating parameters of the TOSHIBA products to ensure that the suggested TOSHIBA products are truly compatible with your design and application.
Please note that this cross reference is based on TOSHIBA's estimate of compatibility with other manufacturers' products, based on other manufacturers' published data, at the time the data was collected.
TOSHIBA is not responsible for any incorrect or incomplete information. Information is subject to change at any time without notice.

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What is a fiber coupler (TOSLINK™)?

A fiber coupler (TOSLINK™) is an optical transmission device that converts a digital electric signal into a optical signal to transmit data.

The digital optical signal from an optical transmitter module travels through optical fiber to an optical receiver module, which in turn converts the optical signal back into a digital electric signal. The optical transmitter module incorporates an LED (or a laser diode) as a light emitting element, and a circuit that drives it. The optical receiver module incorporates a photodiode as a light receiver element and a waveform shaping circuit. As both transmitter and receiver modules have a TTL or PECL interface, they can easily be connected to other circuits.