Light emitting diode driver circuit

Details Light emitting diode driver circuit Light emitting diode driver circuit

1985-08-27

1988-02-02

Orsino, Jr., Joseph A.

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

372 38, H04B 900

Patent

active

047233125

ABSTRACT:
A high-speed light emitting diode driver circuit for optical communication systems, in which an impedance circuit is provided between the collector and emitter of a drive transistor, and another impedance circuit is provided on the emitter side. The light emitting diode is connected to the collector side of the drive transistor. The light emitting diode is driven by an input pulse signal applied to the base of the drive transistor.

REFERENCES:
patent: 4375106 (1983-02-01), Voll
Yanai et al-"Direct Modulation of a DH Laser"-IEEE Jour. of Quantum Electronics-vol. QE-11, No. 7, Jul. 1975, pp. 519-524.

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