Inter-m DPA-300Q, Руководство по эксплуатации

Страница: 11 / 20

DIGITAL POWER AMPLIFIER
9
DPA-300T/300Q, DPA-300TO/300QO
Block Diagram
Block Diagram
-V
A
+
V
A
-H
V
+
H
V
D
C
A
C
S
T
-B
Y
M
A
IN
R
EC
T
IF
IE
R
D
C
-D
C
S
M
PS
P
W
M
PG
M
2
+
PG
M
2
-
G
N
D
PG
M
IN
PU
T
PG
M
2
V
O
LU
M
E
P
R
I+
P
R
I-
G
N
D
P
R
I
C
O
M
1
P
R
I S
EL
EC
T
0
dB
0
dB
P
R
I V
O
LU
M
E
+
1
2
dB
+
1
2
dB
P
/C
LP
F
3
5
kH
z
G
A
IN
=
0
/-
3
dB
P
R
O
T
EC
T
IO
N
O
C
P
, O
T
P
C
LI
P(
Y
EL
)
S
IG
(G
RN
)
-1
0
dB
(G
RN
)
1
0
0
/
7
0
V
S
W
IT
C
H
P
G
M
/P
R
I T
O
G
G
LE
2
nd
O
R
D
ER
L
P
F
FA
N
FA
N
C
O
N
T
R
O
L
FA
N
S
T
A
R
T
6
5
ŭ
P
R
O
T
EC
T
M
O
R
E
T
H
A
N
8
5
ŭ
T
EM
P
ER
A
T
U
R
E
D
ET
EC
T
IO
N
+
H
V
-H
V
PG
M
1
+
PG
M
1
-
G
N
D
2
P
W
M
PG
M
1
V
O
LU
M
E
S
P
EA
K
ER
O
U
T
P
U
T
0
dB
+
1
2
dB
LP
F
3
5
kH
z
G
A
IN
=
0
/-
3
dB
P
R
O
T
EC
T
IO
N
O
C
P
, O
T
P
C
LI
P(
Y
EL
)
S
IG
(G
RN
)
-1
0
dB
(G
RN
)
1
0
0
/
7
0
V
S
W
IT
C
H
P
G
M
/P
R
I T
O
G
G
LE
2
nd
O
R
D
ER
L
P
F
FA
N
FA
N
C
O
N
T
R
O
L
FA
N
S
T
A
R
T
6
5
ŭ
P
R
O
T
EC
T
M
O
R
E
T
H
A
N
8
5
ŭ
T
EM
P
ER
A
T
U
R
E
D
ET
EC
T
IO
N
+
H
V
-H
V
C
H
1
(+
)
C
H
1
(-
)
C
H
2
(+
)
C
H
2
(-
)
PG
M
IN
PU
T
0
dB
PG
M
3
+
PG
M
3
-
G
N
D
P
W
M
PG
M
1
V
O
LU
M
E
S
P
EA
K
ER
O
U
T
P
U
T
0
dB
+
1
2
dB
LP
F
3
5
kH
z
G
A
IN
=
0
/-
3
dB
P
R
O
T
EC
T
IO
N
O
C
P
, O
T
P
C
LI
P(
Y
EL
)
S
IG
(G
RN
)
-1
0
dB
(G
RN
)
1
0
0
/
7
0
V
S
W
IT
C
H
P
G
M
/P
R
I T
O
G
G
LE
2
nd
O
R
D
ER
L
P
F
FA
N
FA
N
C
O
N
T
R
O
L
FA
N
S
T
A
R
T
6
5
ŭ
P
R
O
T
EC
T
M
O
R
E
T
H
A
N
8
5
ŭ
T
EM
P
ER
A
T
U
R
E
D
ET
EC
T
IO
N
+
H
V
-H
V
C
H
3
(+
)
C
H
3
(-
)
3
DPA-300T