User guide

Chapter 8: Acoustic Output 137
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 14: Transducer Model: HFL38x Operating Mode: PW Doppler
Index Label MI
TIS TIB
TIC
Scan
Non-scan
Non-scan
A
aprt
1A
aprt
>1
Global Maximum Index Value 1.0 — 1.1 — 2.1 (b)
Associated Acoustic
Parameter
p
r.3
(MPa) 2.37
W
0
(mW) — 43.57 43.57 #
min of [W
.3
(z
1
),I
TA.3
(z
1
)] (mW) —
z
1
(cm) —
z
bp
(cm) —
z
sp
(cm) 0.9 1.1
d
eq
(z
sp
)(cm) 0.32
f
c
(MHz) 5.32 — 5.33 — 5.33 #
Dim of A
aprt
X(cm) —1.04 — 1.04 #
Y(cm)
— 0.4 — 0.4 #
Other
Information
PD (μsec) 1.29
PRF (Hz) 1008
p
r
@PII
max
(MPa) 2.404
d
eq
@Pll
max
(cm) 0.21
Focal Length FL
x
(cm) —3.72 — #
FL
y
(cm) —2.5 — #
I
PA.3
@MI
max
(W/cm
2
)
323.35
Operating
Control
Conditions
Control 1: Exam Type Any Bre/SmP/
Msk/Nrv
Bre/SmP/
Msk/Nrv
Control 2: Sample Volume 1 mm 2 mm 2 mm
Control 3: PRF 1008 1302 1302
Control 4: Sample Volume Position Zone 2 Zone 7 Zone 7