H - Electricity – 03 – K
Patent
H - Electricity
03
K
325/1, 328/200,
H03K 5/02 (2006.01) H01S 3/00 (2006.01) H01S 5/062 (2006.01) H01S 5/0683 (2006.01) H01S 5/042 (2006.01)
Patent
CA 1319397
ABSTRACT OF THE DISCLOSURE 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. This may be used with a pulse amplifier which can be used in turn 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.
520769
Mori Masakazu
Ohkuma Yoshinori
Yamane Kazuo
Fujitsu Limited
Mcfadden Fincham
Mori Masakazu
Ohkuma Yoshinori
Yamane Kazuo
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