Inter-M DPA-300QO - Manual (Page 11)

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