Fig. 6
From: Low-frequency ultrasound for pulmonary hypertension therapy
Experimental setup for measurement of the sonication intensity transmitted through tissue by an ultrasonic transducer: 1—ultrasonic transducer; 2—hydrophone; 3—RMS multimeter MS8218 (Mastech Group Ltd.); 4—ultrasonic gel Transonic G-15 (TELIC, S.A.U., Spain); 5—power amplifier P200 (FLC Electronics AB, Sweden); 6—signal generator Agilent 33220A; 7—oscilloscope PicoScope 3424 (PicoTechnology Ltd., UK); 8—PC