114
(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 32: Transducer Model: P21x 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 — — 1.3 3.9 2.8
Associated Acoustic
Parameter
p
r.3
(MPa)
1.73
W
0
(mW)
—— 93.28 200.7
min of [W
.3
(z
1
),I
TA.3
(z
1
)] (mW)
124.4
z
1
(cm)
3.1
z
bp
(cm)
2.8
z
sp
(cm)
5.0 0.6
d
eq
(z
sp
)(cm)
0.49
f
c
(MHz)
2.15 — — 2.22 2.23 2.12
Dim of A
aprt
X(cm)
— — 1.97 0.459 1.97
Y(cm)
— — 1.3 1.3 1.30
Other Information
PD (μsec)
1.182
PRF (Hz)
1562
p
r
@PII
max
(MPa)
2.50
d
eq
@Pll
max
(cm)
0.49
Focal Length FL
x
(cm)
— — 13.84 18.46
FL
y
(cm)
—— 9.0 9.00
I
PA.3
@MI
max
(W/cm
2
)
216
Operating
Control
Conditions
Control 1: Exam Type
Crd Crd Crd Crd
Control 2: Sample Volume
1mm 3mm 14mm 1mm
Control 3: PRF
1563 3906 10417 3125
Control 4: Sample Volume Position
Zone 2 Zone 4 Zone 0 Zone 5