Dynamic information storage or retrieval – Specific detail of information handling portion of system – Radiation beam modification of or by storage medium
Patent
1998-04-23
2000-09-26
Hindi, Nabil
Dynamic information storage or retrieval
Specific detail of information handling portion of system
Radiation beam modification of or by storage medium
369 4441, G11B 700
Patent
active
061250945
ABSTRACT:
A current amplifier includes a cascode transistor for fixing the voltage of an input of the amplifier; a first constant current source connected between the input and a first supply voltage; a second constant current source, for providing a current lower than the first current source, connected between a second supply voltage and the cascode transistor; a second transistor, of different type than the cascode transistor, connected between the input and the second supply voltage, and controlled by the node between the cascode transistor and the second current source; and an output transistor of same type as the second transistor, connected to the second supply voltage and controlled by the node.
REFERENCES:
patent: 3801933 (1974-04-01), Teare
patent: 4507573 (1985-03-01), Nagano
patent: 4855618 (1989-08-01), Brokaw
patent: 5079518 (1992-01-01), Wakayama
patent: 5216386 (1993-06-01), Wyatt
patent: 5254957 (1993-10-01), Lauffenburger
Bonhoure Bruno
Dell'ova Francis
Paillardet Frederic
Donohue Michael J.
Galanthay Theodore E.
Hindi Nabil
STMicroelectronics S.A.
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