GaP Biased Detector
Chapter 5: Common Operating Circuits
Rev A, December 27, 2017
Page
9
Chapter 5 Common Operating Circuits
Figure 2 Basic DET Circuit
The DET Series Detectors are designed according the circuit depicted above.
The detector is reverse biased to produce a linear response with applied input
light. The photocurrent generated is based upon the incident light and
wavelength and can be viewed on the oscilloscope by attaching a load resistance
on the output. The function of the RC Filter is to filter any high frequency noise
from the input supply which may contribute to a noisy output.
Figure 3 Amplified Detector
Photodetector
Transimpedance Amp
Out
Feedback
R
F
A
B
-V
BNC
GND
GND
GND
R
LOAD
Содержание DET25K2
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