GE Medical Systems LOGIQ 7, Reference Manual, Page: 39 / 244

Acoustic Output Data
LOGIQ 7/LOGIQ 7 Pro Advanced Reference Manual 1
-
33
Direction 5116269-100 Rev. 2
E8C Probe (continued)
NOTE:
a. This index is not required for this operation mode; see section 4.1.3.1 of the
Output Display Standard(NEMA UD-3)
b. This probe is not intended for transcranial or neonatal cephalic uses.
c. This formulation for TIS is less than that for an alternate formulation in this
mode.
# No data are reported for this operating condition since the global maximum
index value is not reported for the reason listed.
Table 1-31: Transducer Mode: E8C Operating Mode: PWD-Mode (inch.B-mode)
Index Label MI
TIS TIB
TIC
scan
non-scan
non-
scan Aaprt< Aaprt>1
Global Maximum: Index Value 1.5 <1 <1 - 2.4 1.1
IEC FDA Units
p
ra
p
r.3
(MPa) 3.0
P W
o
(mW) # # 32.0 34.1
min of [ P
α
( z
s
, I
ta,
α
( z
s
)] [(W
.3(Z1),
I
TA.3
(z1)]) -
z
s
z
1
(cm) -
z
bp
z
bp
(cm) -
z
b
z
sp
(cm) 1.8
z at max. I pi,
α
z
sp
(cm) 1.5
d
eq
( z
b
) d
eq
(z
sp
) (cm) 0.3
ƒ
awf
f
c
(MHz) 4.1 # # - 5.0 5.0
Dim of A
aprt
X (cm) # # - 1.3 1.3
Y (cm) # # - 0.5 0.5
t
d
PD (µsec) 0.5
prr PRF (Hz) 5379.2
p
r
at max. I
pi
p
r
@PII
max
(MPa) 3.7
d
eq
at max. I
pi
d
eq
@PII
max
(cm) 0.3
Focal Length FL
X
(cm) # # - 2.4
FL
Y
(cm) # # - 2.7
I
pa,
α
at max. MI I
PA.3
@MI
max
(W/cm 2
)
469.8
Frequency (MHz) D5.0 # # - D5.0 D5.0
Image Depth (cm) 2.4 # # - 2.4 2.4
Vel Scale (kHz) 0.64 - # - 1.23 1.23
SV 1 - # - 2 2
Penet Off - # - Off Off
A
ssoc
Acousti
c Paramete
Other
i
n
fr
omati
o
n
Operating Cont
rol
Conditions