High speed laser driver

Details High speed laser driver High speed laser driver

1985-07-15

1987-03-03

Heyman, John S.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307254, 307311, 307317A, 372 38, H03K 301, H03K 342, H01S 300

Patent

active

046477926

ABSTRACT:
A high speed laser driver includes a differential pair of bipolar transistors sharing a common emitter resistor as in the prior art. However, an improvement thereover resides in the use of Schottky barrier diodes, one of which couples the emitter of one transistor to the common emitter resistor and the other of which couples the emitter of the other transistor to the common emitter resistor. Furthermore, separate resistors couple the emitters of both transistors to a voltage source so that the transistors are always conducting.

REFERENCES:
patent: 3660679 (1972-05-01), Ishigaki et al.
patent: 3803505 (1974-04-01), Ishigaki et al.
patent: 4219744 (1980-08-01), Shinn, II

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