Document Detail


Stable, inexpensive, low-frequency sine wave generator using digital techniques.
MedLine Citation:
PMID:  18699654     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
Presented is a circuit for the generation of low-frequency (0.001 Hz to 63 kHz) sine waves possessing stable amplitude and frequency characteristics using digital techniques. The circuit produces a 32-step approximation to a sine wave at a frequency 1/32nd of the selected digital time-base frequency. Also presented are a crystal-controlled time base to drive the generator, and an active filter for removing the high-order harmonics produced by the generator. Advantages of the digital sine wave generator over analog oscillator techniques are described.
Authors:
J Podolske
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Review of scientific instruments     Volume:  50     ISSN:  0034-6748     ISO Abbreviation:  Rev Sci Instrum     Publication Date:  1979 Aug 
Date Detail:
Created Date:  2008-08-13     Completed Date:  2008-10-08     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0405571     Medline TA:  Rev Sci Instrum     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1010-2     Citation Subset:  -    
Affiliation:
Department of Chemistry and Materials and Molecular Research Division, Lawrence Berkeley Laboratory, University of California, Berkeley, California 94720, USA.
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