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3
EM3046
or
MODEL 39
RVC
100k
1.3V
2
µ2
ES3126
1.3V
48k
8k4
0
µ1
100k
- C
REGULATOR
SLOW
AVERAGE
DETECTOR
FAST
AVERAGE
DETECTOR
CURRENT
REFERENCE
2:1
COMPRESSION
CONTROL
0
µ1
82n
12k
C2
0
µ1
C1
3n9
- A
- B
68k
RECTIFIER
D
50k
50k
2
µ2
100k
50k
50k
48k
C6
VB
C3
C4
GS3023
47n
C5
9
1
5
3
6
8
4
2
7
11
14
13
10
12
2
µ2
2
µ2
2
µ2
RVC
100k
RMPO=0
1.3V
48k
8k4
0
µ1
100k
- C
2
µ2
REGULATOR
SLOW
AVERAGE
DETECTOR
FAST
AVERAGE
DETECTOR
CURRENT
REFERENCE
2:1
COMPRESSION
CONTROL
0
µ1
C3
C4
82n
12k
C2
0
µ1
C1
3n9
68k
RECTIFIER
D
50k
50k
2
µ2
100k
50k
50k
48k
C6
VB
VIN
3k9
CHP=0
µ1
- B
- A
50k
GS3023
47n
C5
9
1
5
3
6
8
4
2
7
11
14
13
10
12
Fig.1 Production Test Circuit
All resistors in ohms, all capacitors in farads unless otherwise stated.
All resistors in ohms, all capacitors in farads unless otherwise stated.
Fig. 2 Typical Hearing Instrument Application
RECOMMENDATIONS: 2.2
µF capacitor connected to pin11
No components connected to pin 14