Title :
Electrical power meter for ultrasonic transducer
Author :
Espinosa, G. ; Cantalejo, C. ; Turo, A. ; Salazar, J. ; GArcia, M.J.
Author_Institution :
Dept. of Electron. Eng., Catalonia Politechnic Univ., Barcelona, Spain
Abstract :
This paper describes the design of a wattmeter for measuring the electric power that drives an ultrasonic transducer in the frequency range of 0.5-5 MHz. Unexpensive components, which operate with frequency less than 0.5 MHz, are used, and their errors are studied as a tool of design
Keywords :
acoustic intensity measurement; acoustic transducers; biomedical ultrasonics; measurement errors; patient treatment; power measurement; power meters; radiation therapy; ultrasonic transducers; wattmeters; 0.5 to 5 MHz; 10 W; PWM; US therapy; electrical power meter; gain errors; nonlinearity; offset errors; phase errors; shoot error; ultrasonic transducer; wattmeter; Artificial intelligence; Demodulation; Equivalent circuits; Low pass filters; Pulse width modulation; Space vector pulse width modulation; Switches; Ultrasonic transducers; Voltage; Wattmeters;
Conference_Titel :
Instrumentation and Measurement Technology Conference, 1996. IMTC-96. Conference Proceedings. Quality Measurements: The Indispensable Bridge between Theory and Reality., IEEE
Conference_Location :
Brussels
Print_ISBN :
0-7803-3312-8
DOI :
10.1109/IMTC.1996.507416
