DocumentCode
1058364
Title
Low-noise photodiode-amplifier circuit
Author
Hyyppä, Kalevi ; Ericson, Klas
Author_Institution
Lulea Univ. of Technol., Sweden
Volume
29
Issue
3
fYear
1994
fDate
3/1/1994 12:00:00 AM
Firstpage
362
Lastpage
365
Abstract
A photodiode-amplifier circuit with the photodiode in the feedback path is presented. It is named the PIF-circuit. No resistor is needed at the amplifier input to provide a path to ground for the signal and leakage currents from the photodiode and the amplifier input bias current. Therefore, one potentially dominating noise source is eliminated. At frequencies below 10 kHz, the implemented PIF-circuit has an NEP≈3 fW/√Hz
Keywords
amplifiers; equivalent circuits; feedback; frequency response; network analysis; noise; photodetectors; photodiodes; transfer functions; 10 kHz; amplifier input bias current; feedback path; low-noise circuit; noise source; photodiode-amplifier circuit; Circuit noise; Feedback circuits; Frequency; Leakage current; Operational amplifiers; Photoconductivity; Photodiodes; Resistors; Transfer functions; Voltage;
fLanguage
English
Journal_Title
Solid-State Circuits, IEEE Journal of
Publisher
ieee
ISSN
0018-9200
Type
jour
DOI
10.1109/4.278362
Filename
278362
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