User guide

Chapter 8: Acoustic Output 159
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 36: Transducer Model: P21x Operating Mode: CW Doppler
Index Label M.I.
TIS TIB
TIC
Scan
Non-scan
Non-scan
A
aprt
1A
aprt
>1
Global Maximum Index Value (a) — — 1.0 3.6 3.1
Associated Acoustic
Parameter
p
r.3
(MPa) #
W
0
(mW) —— 108.8 108.8
min of
[W
.3
(z
1
),I
TA.3
(z
1
)]
(mW)
104.9
z
1
(cm) 1.20
z
bp
(cm) 1.31
z
sp
(cm) # 1.2
d
eq
(z
sp
) (cm) 0.58
f
c
(MHz) # — — 2.00 2.00 2.00
Dim of A
aprt
X(cm) — — 0.46 0.459 0.459
Y(cm)
— — 1.30 1.30 1.30
Other Information
PD (μsec) #
PRF (Hz) #
p
r
@PII
max
(MPa) #
d
eq
@Pll
max
(cm) 0.56
Focal Length FL
x
(cm) — — 1.55 1.55
FL
y
(cm) — — 9.00 9.00
I
PA.3
@MI
max
(W/cm
2
)
#
Operating
Control
Conditions
Control 1: Exam Type Card Card Card
Control 2: Zone Zone 0 Zone 0 Zone 0