521 - 71 - 02

3

Fig. 1 Production Test Circuit

Fig. 2 Typical Hearing Instrument Application

All resistors in ohms, all capacitors in farads unless otherwise stated.

All resistors in ohms, all capacitors in farads unless otherwise stated.

C1

0

µ1

C2

0

µ1

2

µ2

C3

0

µ15

C4

33n

C5

22n

GS3026

12k

48k

REG.

48k

-A

RECT.

B

8:1

COMPRESSION

CONTROL

Any Knowles

class D

integrated

receiver

Any Knowles

or Microtronic

Microphone

Rvc

R

TH

2

1

2

3

5

6

4

7

C1

0

µ1

C2

0

µ1

C3

0

µ15

C4

33n

C5

22n

GS3026

12k

3k9

48k

50k

REG.

48k

-A

RECT.

B

8:1

COMPRESSION

CONTROL

Rvc=200k

R

1

2

3

5

6

4

7