
Chapter 8: Acoustic Output 145
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 22: Transducer Model:
L38x
Operating Mode:
CPD/Color
Index Label M.I.
TIS TIB
TIC
Scan
Non-scan
Non-scan
A
aprt
1A
aprt
>1
Global Maximum Index Value 1.3 1.0 — — — (b)
Associated Acoustic
Parameter
p
r.3
(MPa) 2.89
W
0
(mW) 64.88 — —#
min of
[W
.3
(z
1
),I
TA.3
(z
1
)]
(mW)
—
z
1
(cm) —
z
bp
(cm) —
z
sp
(cm) 1.1 —
d
eq
(z
sp
) (cm) —
f
c
(MHz) 4.91 4.91 — — — #
Dim of A
aprt
X(cm) 0.54 — — — #
Y(cm)
0.4 — — — #
Other Information
PD (μsec) 0.529
PRF (Hz) 9547
p
r
@PII
max
(MPa) 3.48
d
eq
@Pll
max
(cm) —
Focal Length FL
x
(cm) 1.5 — — #
FL
y
(cm) 2.5 — — #
I
PA.3
@MI
max
(W/cm
2
)
439.3
Operating
Control
Conditions
Control 1: Mode Color CPD
Control 2: Exam Type Any Bre
Control 3: PRF 331 2137
Control 4: Optimization/Depth Any/3.1 Med/3.1
Control 5: Color Box Position/Size Any Def/
Def/
Def
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