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PR5021 датащи(PDF) 5 Page - PREMA Semiconductor.

номер детали PR5021
подробное описание детали  3 compact Silicon Junctions on a single Die
PDF  8 Pages
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производитель  PREMA [PREMA Semiconductor.]
домашняя страница  https://www.prema.com/
Logo PREMA - PREMA Semiconductor.

PR5021 датащи(HTML) 5 Page - PREMA Semiconductor.

  PR5021 Datasheet HTML 1Page - PREMA Semiconductor. PR5021 Datasheet HTML 2Page - PREMA Semiconductor. PR5021 Datasheet HTML 3Page - PREMA Semiconductor. PR5021 Datasheet HTML 4Page - PREMA Semiconductor. PR5021 Datasheet HTML 5Page - PREMA Semiconductor. PR5021 Datasheet HTML 6Page - PREMA Semiconductor. PR5021 Datasheet HTML 7Page - PREMA Semiconductor. PR5021 Datasheet HTML 8Page - PREMA Semiconductor.  
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Photodiode PR5020/21
Application Notes
CHANNEL SEPARATION
The crossover of a light beam between photo-
diodes is illustrated. Increments of 10 µm were
performed using red light and a diameter of
50 µm. The position of 0 µm corresponds to the
center of the die. The photocurrent was mea-
sured with zero applied voltage.
Considering a gap between the photodiodes of
27 µm, the observed behaviour is consistent
with a sharp channel separation.
POSITION DETECTION
By shining light on aperture, the passing light
can be detected. As given in the schematics
above, three different segments can be
resolved using PR5020/21. Due to the geometry
of the photodiodes, the position of the aperture
can be detected as given in the diagram.
Of course, the principle can be transferred to
encoder discs to obtain angular resolution:
© PREMA Semiconductor GmbH 2018 I rev. 5119
Page 5/8



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