Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1986-10-21
1989-02-07
Sikes, William L.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307501, 307546, 307552, 307554, 307264, 372 38, G06G 712, H03L 500, H01S 300
Patent
active
048033847
ABSTRACT:
A semiconductor laser driving device using FET's as a positive element in a bias current supply circuit and a pulse current supply circuit, and having compensating circuits for compensating differences in the characteristics of the FET's and a laser diode used in the driving device. Also a pulse amplifier suitable for use as the pulse current supply circuit in the semiconductor driving device, which circuit cuts off a pulse top side portion and a pulse base side portion of an input pulse with respect to a mesial point of the input pulse to obtain an output pulse having a desired pulse amplitude in response to a control signal, without varying a pulse width.
REFERENCES:
patent: 4162412 (1979-07-01), Mawhinney et al.
patent: 4327329 (1982-04-01), Papworth
Mori Masakazu
Ohkuma Yoshinori
Suzuki Kazuhiro
Tsuda Takashi
Yamane Kazuo
Epps Georgia Y.
Fujitsu Limited
Sikes William L.
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