Transmitting module of ultrasonic diagnostic device
An ultrasonic diagnostic instrument and transmitting module technology, which is applied in the directions of sonic diagnosis, infrasound diagnosis, ultrasonic/sonic/infrasonic diagnosis, etc., can solve the problem of system noise submersion, narrow emission pulse, and inconspicuous unipolar or bipolar pulse echo characteristics, etc. problem, to increase the detection depth, reduce the probability of noise submersion, and ensure the effect of transmitting energy
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[0019] Below according to accompanying drawing and embodiment the present invention will be described in further detail:
[0020] As shown in FIG. 1 , the transmitting module of the ultrasonic diagnostic instrument of the present invention includes a transmitting control unit and a transmitting unit connected thereto. The transmitting unit adopts two bipolar voltages (where HVNN1=-HVPP1, HVNN2=-HVPP2=(1 / 2)*HVPP1) and one 0V (GND) potential, a total of five levels are used as the output voltage of the transmitting pulse flat. The emission control unit outputs five control signals to control the output of the five levels respectively, and its truth table is shown in Table 1:
[0021] control signal
output voltage
ENP1
ENN1
ENP2
ENN2
RTZ
1
0
0
0
0
0
1
0
0
0
0
0
1
0
0
0
0
0
1
0
0
0
0
0
1
HVPP1
HVNN1
...
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