DocumentCode
1034431
Title
Transformer-tuned front-ends for heterodyne optical receivers
Author
Kan, J.X. ; Garrett, I. ; Jacobsen, G.
Author_Institution
Technical University of Denmark, Electromagnetics Institute Technical, Lyngby, Denmark
Volume
23
Issue
15
fYear
1987
Firstpage
785
Lastpage
786
Abstract
We present measured noise spectra for heterodyne optical receivers with front-end tuning based on a T-equivalent circuit of transformer coupling. A noise spectral density below 6pA/¿(Hz) over a 1-3 GHz bandwidth is demon-strated, even with parasitic capacitances totalling 2 pF.
Keywords
field effect transistor circuits; optical communication equipment; preamplifiers; receivers; 1.3 GHz; 2 pF; T-equivalent circuit of transformer coupling; bandwidth; front-end tuning; heterodyne optical receivers; measured noise spectra; noise spectral density; parasitic capacitances; transformer-tuned front-ends;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:19870557
Filename
4257893
Link To Document