transducers

Question 1

what is the most common material used

Answer 1

PZT (Lead Zirconate Titanate)

Question 2

Phased is electronically or mechanically steered

Answer 2

electronically

Question 3

is it a vector

Answer 3

if you can angle the transducer. rectangle to trapezoid

Question 4

mechanical transducer

Answer 4

physical movement of sweep, contains a single element, fixed focus, fan or sector shape, pzt disk shaped

Question 5

electronic transducer

Answer 5

electronic activation

Question 6

“array” transducer

Answer 6

closely spaced PZT’s

Question 7

“phased” transducer means

Answer 7

multiple-focus or adjustable, needs electronic steering

Question 8

annular phased transducer

Answer 8

mechanical transducer, electronically steered

Question 9

linear array/switched array transducer

Answer 9

electronic transducer

Question 10

curved array transducer

Answer 10

electronic transducer

Question 11

phased array transducer

Answer 11

electronic transducer

Question 12

as the beam moves further away-

Answer 12

there is a decreased spatial resolution and image quality

Question 13

when the mechanical transducer’s crystal malfunction how does the image look

Answer 13

image is lost, nothing is shown

Question 14

piezoelectric effect

Answer 14

conversion of turning sound (pressure waves) into electrical volts, during reception

Question 15

reverse piezoelectric effect

Answer 15

conversion of electrical volts into sound waves, during transmission