GE LOGIQ A100, Technical Publication

Page: 289 / 408

Probes
273
LOGIQ
t α
100 User Manual
2211157–100 Rev 0
Probe VE5
Max
Value
(per
cm
2
)
W
0
(mW)
F
C
(MHz)
Zsp
(cm)
X
–6
Y–
6
(mm x
mm)
PD
(
µ
s)
PRF
(KHz
)
EDS
(mm x
mm)
I
SPTA–3
71.9mW 1.409 4.76 4 0.22,0.13 1.25
I
SPPA–3
104.8W 4.76 4 0.22,0.13 0.186 3.94
Table 32. Mode: B–Mode, Applications: Cardilogy
Max
Value
(per
cm
2
)
W
0
(mW)
F
C
(MHz)
Zsp
(cm)
X
–6
Y–
6
(cm)
PD
(
µ
s)
PRF
(KHz)
EBD
(mm x
mm)
I
SPTA–3
1.5mW 1.409 4.76 1.25
I
SPPA–3
104.8W 4.76 4 0.22,0.13 0.186 3.94
Table 33. Mode: M–Mode, Applications: Cardiology
Symbol Description
Symbol Description
I
SPTA–3
Is the derated spatial–peak, temporal–average intensity (milliwatts per
cm
2
)
I
SPPA–3
Is the derated spatial–peak, pulse average intensity (watts per cm
2
)
W
0
Is the ultrasonic power (milliwatts)
f
c
Is the center frequency (megahertz)
Z
SP
Is the axial distance used to calculate the derated intensity (cm)
Y
–6
Is respectively the in–plane (azimuthal) and out of plane (elevational) –6dB
dimensions in the x–y plane where Z
SP
is found (cm)
PD Is the pulse duration (micro–seconds)
PRF Is the pulse repetition frequency (hertz)
EDB Are the entrance beam dimensions for the azimuthal and elevational
planes (cm)
EDS Are the entrance dimensions of the scan for the azimuthal and elevational
planes (cm)