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TECHNIAL DESCRIPTION
USB
See also SH 190 USB Audio Module (300605)
Measurment are directly done at the coonector on the board
GENERAL PART
Measurement are directly done at the connector on CDC board
Output Resistance
O
u
p t
t u
V
o
a t l
e g
R
L
=
3 3
k
h o
Channel Unbalance
T
H
D
+
N
o
s i
( e
d 0
B
1 ,
K
h
) z
Channel Crosstalk ( ( 0 dB, 1 KHz ) )
( 0 dB, 1 KHz )
i S
n g
l a
o t
N
i o
e s
R
t a
o i
(
d 0
, B
k 1
FWM9000 Frequency response @±4
USB Measurement at Set Level (*2)
Electrical Parameters are to be measured at speaker teminals across 3 ohm load with 500mW output and DSC setting in Jazz Mode
Channel Crosstalk ( 0 dB, 1 KHz )
i S
n g
l a
o t
N
i o
e s
R
t a
o i
(
0
d
B
1 ,
Channel Unbalance ( 0 dB, 1 KHz )
SD-CARD Measurement at Set Level (*2)
Electrical Parameters are to be measured at speaker teminals across 3 ohm load with 500mW output and DSC setting in Jazz Mode
C
a h
n n
l e
C
o r
s s
a t
k l
(
0
d
B
1 ,
K
Signal to Noise Ratio ( 0 dB, 1 KHz )
C
a h
n n
l e
U
n
a b
a l
c n
( e
0
d
B
1 ,
Remarks :
(*2) All speaker "R" channel "+"connect to equipment "+"for
All speaker "L" channel "- "connect to equipment " + "for measurement
Class No
FWM9000 All Version
N
A
M
E
:
A
n
y d
L
i a
CHECK
D
s e
r c
p i
i t
n o
m
(
d )
B
1 ,
K
h
) z
H
z
( )
A
-
w
e
g i
t h
d e
)
Description
K
H
) z
Description
H
) z
K
H
) z
USB AND SD-CARD SPECICFICATION
10
DATE :
1 - 11
>
=
5
40HZ-16KHZ(reference 1KHZ)
40HZ-100HZ(Reference 63HZ)
200HZ-16KHZ(Reference 1KHZ)
>= 45dB (with 1 KHz filter )
>
=
5
d 5
>
=
4
d 5
B
>= 55dBA ( A - weighted )
0 1
SH 190 -8
S
p
c e
f i
c i
i t a
n o
< = 1.5 kOhm
8
0 3
m
V
- /
d 1
B
< = +/- 3 dB
<
=
2
%
>= 45dB
>= 45dB
d 5
( B
A
-
w
e
g i
t h
d e
)
Specification
B
A
(
A
-
w
e
g i
t h
d e
)
< +/- 3dB
Specification
(
i w
h t
1
K
H
z
i f
e t l
) r
<
+
- /
d 3
B
Ver
Issued Date
1
08-09-2011
2
3
A4
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