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17 Cards in this Set
- Front
- Back
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internal components that make up a typical ultrasound
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TPPDDRBH
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made from piezoelectric materials
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transducer
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act as transmitter and reciever
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transducer
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convert electrical energy into ultrasound
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transducer
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produces the electric voltage that drives transducer
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pulser
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affects the overall brightness of B-mode image
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pulser
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changes the strength and intensity of ultrasound beam
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pulser
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relationship of applied voltage ,ultrasound pulse and pulse intensity
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directly proportional
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controls the shape and direction
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beam former
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enables the operator to have the indirect control of:
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depth
focus sector width zoom |
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to combat attenuation
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receiver
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energy is lost from the beam through absorption mainly converted to heat
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receiver
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applies amplification to returning echoes to make stronger
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receiver
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2 ways of receiver
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overall gain
TGC |
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2 types of processor
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signal processor
image processor |
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converts echo voltages to video signal
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signal processor
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many line data into image form
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image processor
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