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Triangular/square-wave generator with independently controllable frequency and amplitude

Title
Triangular/square-wave generator with independently controllable frequency and amplitude
Author
김희준
Keywords
Function generator; operational transconductance amplifier; relaxation oscillator; saw-tooth wave generator; Schmitt trigger; square wave generator; triangular wave generator
Issue Date
2005-02
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Citation
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT, v. 54, No. 1, Page. 105-109
Abstract
A triangular/square-wave generator with current-controllable frequency and amplitude is presented. The generator utilizes operational transconductance amplifiers as switching elements. A prototype circuit built with commercially available components exhibits less than 2% nonlinearity in its current-to-frequency transfer characteristic from 1 to 10 Khz and -150 ppm/° C temperature coefficient of frequency over 15 ° C to 35 °C. The circuit also displays wide sweep capability and good linearity of current to amplitude. The application of the circuit to a current-controllable saw-tooth waveform generator is also presented.
URI
https://ieeexplore.ieee.org/document/1381804http://repository.hanyang.ac.kr/handle/20.500.11754/110207
ISSN
0018-9456
DOI
10.1109/TIM.2004.840238
Appears in Collections:
COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > ELECTRICAL ENGINEERING(전자공학부) > Articles
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