User guide

Chapter 8: Acoustic Output 141
Acoustic Output
(a)This index is not required for this operating mode; value is <1.
(b)This transducer is not intended for transcranial or neonatal cephalic uses.
# No data are reported for this operating condition since the global maximum index value is not reported for the reason
listed. (Reference Global Maximum Index Value line.)
— Data are not applicable for this transducer/mode.
Table 18: Transducer Model: HFL50x Operating Mode: PW Doppler
Index Label MI
TIS TIB
TIC
Scan
Non-scan
Non-scan
A
aprt
1A
aprt
>1
Global Maximum Index Value 1.2 — 1.1 — 1.9 (b)
Associated Acoustic
Parameter
p
r.3
(MPa) 2.69
W
0
(mW) —42.6 42.6 #
min of [W
.3
(z
1
),I
TA.3
(z
1
)] (mW) —
z
1
(cm) —
z
bp
(cm) —
z
sp
(cm) 1.0 1.1
d
eq
(z
sp
)(cm) 0.33
f
c
(MHz) 5.34 — 5.34 — 5.34 #
Dim of A
aprt
X(cm) — 1.08 — 1.08 #
Y(cm)
— 0.40 — 0.40 #
Other
Information
PD (μsec) 1.29
PRF (Hz) 1008
p
r
@PII
max
(MPa) 3.23
d
eq
@Pll
max
(cm) 0.22
Focal Length FL
x
(cm) —3.72 — #
FL
y
(cm) —2.44 — #
I
PA.3
@MI
max
(W/cm
2
)
308
Operating
Control
Conditions
Control 1: Exam Type Any — Any — Any —
Control 2: Sample Volume 1 mm — 1 mm — 1 mm —
Control 3: PRF 1008 — 1563 -
3125
— 1563 -
3125
—
Control 4: Sample Volume Position Zone 4 — Zone 8 — Zone 8 —