BH3541F,BH3544F,BH3547F,BH3548F
●Block
diagram
V CC
8
O UT2
7
BIA S
6
IN2
5
Technical Note
B IAS
0d B
(6d B)
TS D
180 k
(90 k)
180 k
(9 0k)
0 dB
(6d B)
MUTE
1
OU T1
2
MUTE
3
I N1
4
G ND
( ) are BH3544F, BH3547F, BH3548F values.
Fig. 13
●Measurement
circuit
32
SW7
1
330μ
16
2
V V
7AC
R5
CV
CC
47μ
2
VCC
8
OUT2
7
BIAS
6
IN2
5
1μ
1
SW5
SW8B
A IQ
10μ
V
IN
2
1
2
SWBA
0dB
(6dB)
BIAS
180k
(90k)
V
RR
TSD
V
CC
+
0dB
(6dB)
180k
(90k)
MUTE
32
SW1
1
1
330μ
OUT1
V
TM
2
MUTE
+
3
IN1
4
GND
SW3
1μ
1
2
V
IN
1
16
2
V
1AC
V
R3
( ) are BH3544F, BH3547F, BH3548F values.
Fig. 14
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2010.05 - Rev.A