| 摘要 |
In order to reduce the number of components to achieve size reduction of an ultrasonic diagnostic apparatus, the ultrasonic diagnostic apparatus 101 is provided with a power supply section 3 comprised of a bias power supply 4 for generating a bias voltage and a driving power supply 5 for generating a driving voltage using the bias voltage. The bias voltage is higher than the driving voltage. Since the driving power supply 5 merely generates a lower voltage based upon a higher voltage, it is simpler in configuration and smaller in size than the conventional type that independently generates the voltages.
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