User's Manual

H330 HSPA+
21
22
5.7.2 Au
d
The au
Spurious s
u
In PC
B
performanc
5.7.2.1 A
u
Audio
c
Audio
c
Param
e
Bias vo
Gain
Load r
e
Audio
c
Param
e
Out vol
t
Load r
e
DC Bia
5.7.2.2 A
u
Audio
c
Note：
Audio
c
Para
m
Bias
v
Module Hard
w
AGND
VSPK
d
io Descr
dio input a
n
u
ppression.
W
B
Layout, th
e
e, the input
u
dio Chan
n
c
hannel 1 in
c
hannel 1：
e
ters
ltage
e
sistance
c
hannel 1：
e
ters
t
age
e
sistance
s voltage
u
dio Chan
n
c
hannel 2 in
The VSPK
m
c
hannel 2：
A
m
eters
v
oltage
w
are User M
a
iption
n
d output ch
a
W
hen conn
e
e
differential
and output
n
el 1
terface are
d
MIC input c
h
Test co
n
No load
Program
m
gain:2dB
EAR output
Test co
n
No load
n
el 2
terface are
d
m
ust be co
n
A
UXI input
c
Test con
d
No load
a
nual
GND
I
a
nnels are
d
e
ct to the h
a
lines need
e
need GND
I
d
ifferential l
i
h
aracteristi
c
n
ditions
m
able，ste
p
characteris
n
ditions
d
ifferential l
i
n
nected to
V
c
haracterist
d
itions
Audi
o
Audi
o
to
V
d
ifferential i
n
a
ndset, nee
d
e
qual lengt
h
I
solation an
d
i
nes, Can b
e
c
：
Min
1.9
p
s
0
tic：
Min
i
nes, Can b
e
V
BAT, Other
w
ic：
Min
1.9
o
GND
o
codec spe
BAT
n
terfaces. A
n
d
external a
u
h
, parallel, a
d
the interfa
e
use as H
a
Typ
2.0
2.2
Typ
32
1
e
use as H
a
w
ise it will b
e
Typ
2.0
aker part p
o
n
d have pre
u
dio amplifi
e
s short as
p
ce need ad
d
a
nd-phone.
Ma
x
2.1
32
Ma
x
2
a
nd-free.
e
outwork.
Max
2.1
o
wer supply,
fect perfor
m
e
r.
p
ossible, for
d
ESD prot
e
x
U
n
V
d
B
K
o
x
U
n
V
p
o
h
V
Unit
V
Page 36 of 4
4
connect
m
ance at RF
a better
e
ction.
n
it
B
o
hm
n
it
p
p
m
4