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Title: Transistor-based interface circuitry

Patent ·
OSTI ID:993818

Among the embodiments of the present invention is an apparatus that includes a transistor, a servo device, and a current source. The servo device is operable to provide a common base mode of operation of the transistor by maintaining an approximately constant voltage level at the transistor base. The current source is operable to provide a bias current to the transistor. A first device provides an input signal to an electrical node positioned between the emitter of the transistor and the current source. A second device receives an output signal from the collector of the transistor.

Research Organization:
Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC06-76RL01830
Assignee:
Taubman, Matthew S. (Richland, WA)
Patent Number(s):
6,696,887
Application Number:
09/964,953
OSTI ID:
993818
Country of Publication:
United States
Language:
English

References (1)

Photodiode Front Ends: The Real Story journal January 2001

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