DocumentCode
1269343
Title
Temperature-stable VCO based on operational transconductance amplifiers
Author
Chung, W.-S. ; Cha, H. -w ; Kim, K.-H.
Author_Institution
Dept. of Semicond. Eng., Chongju Univ., South Korea
Volume
26
Issue
22
fYear
1990
Firstpage
1900
Lastpage
1901
Abstract
A VCO based on OTAs is described that achieves +or-60 ppm/ degrees C temperature coefficient of frequency over 30-90 degrees C at oscillation frequencies from 10 kHz to 40 kHz. The circuit also exhibits wide sweep capability and good linearity of voltage to frequency.
Keywords
operational amplifiers; stability; variable-frequency oscillators; 10 to 40 kHz; 30 to 90 degC; OTA based oscillator; VCO; VFO; operational transconductance amplifiers; temperature stable;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:19901223
Filename
59492
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