Accession Number:

ADD002629

Title:

Optical-to-Electronic Interface Circuit.

Descriptive Note:

Patent,

Corporate Author:

DEPARTMENT OF THE NAVY WASHINGTON D C

Personal Author(s):

• Williams,Donald N.

Report Date:

1975-05-27

Pagination or Media Count:

5.0

Abstract:

The patent describes an optical-to-electronic interface circuit for converting digital signal information in the form of light energy into commensurate digital electronic signals. A photoresponsive means is positioned to receive light signals for developing commensurate electrical signals. A first differential amplifier is connected to receive the electrical output signals as a first input and also a known fixed reference as a second input for generating first and second output signals having a differential therebetween as a function of the differential between its received inputs. First and second unidirectional current paths connect the first and second output signals of the first differential amplifier as inputs to a second differential amplifier. A differential comparator receives the output signals developed by the second differential amplifier for generating a signal as a function of the difference between its received signals.

Descriptors:

• *Optoelectronics
• *Converters
• *Patents
• Digital systems
• Interfaces
• Circuits
• Signal processing

Subject Categories:

• Electrooptical and Optoelectronic Devices

Distribution Statement:

APPROVED FOR PUBLIC RELEASE