CIRCUIT WITH PASSIVE COMPONENTS FOR HIGH-SPEED DRIVE OF AN OPTOELECTRONIC DEVICE
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Accused Products
Abstract
A circuit for the ultra-quick control of an optoelectronic device, includes a generator of voltage pulses having a pulse duration of less than 400 ps, and a circuit (17) for shaping control pulses including: an output suitable for being connected in series to a line terminal (13) of the optoelectronic device, and an input connected to the voltage-pulse generator and receiving the voltage pulses formed by the latter, between a terminal of the input and a terminal of the output, mounted in parallel in relation to one another: a first branch (20) made up of a passive rectifier circuit (22a, 22b) having non-zero threshold voltage and, in series in the first branch in forward direction relative to the line terminal (13) of the optoelectronic device, a second capacitive branch (21).
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Citations
30 Claims
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1-15. -15. (canceled)
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16. Circuit for high-speed drive of an optoelectronic device including at least one optoelectronic diode (12), wherein said circuit comprises:
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a voltage square wave pulses generator (15, 16) exhibiting edges of duration shorter than 400 ps, a pulse-shaping circuit (17) for shaping of driving pulses of the optoelectronic device, said pulse-shaping circuit (17) including; an output (18) that is suitable to be connected to the optoelectronic device, and an input (19) connected to the voltage square wave pulses generator (15, 16) and receiving the voltage square wave pulses formed by said generator, between a terminal (19a or 19b) of said input and a terminal (18a or 18b) of said output connected in series to a terminal (13 or 14) for energizing said optoelectronic device, connected in parallel in relation to one another; a first branch (20) made up of a passive rectifier circuit (22a, 22b) with non-zero threshold voltage, said passive rectifier circuit being in series in the first branch and in the forward direction in relation to said terminal (13 or 14) for energizing the optoelectronic device, a second capacitive branch (21). - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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Specification