BA6110FS

Standard ICs

Fig.3 Voltage-controlled amplifier (electronic volume control)

150k

9

10k

100k

(Offset adjustment)

10k

330k

BA6110FS

11

12

1

7

15

5

3

14

OUT

Ω

30k

Ω

11

3

200

Ω

100k

BA6110FS

12

5

1

9

7

IC

15

14

OUT

150pF

R

100k

20k

Ω

Fig.4 Voltage control low pass filter

3

200

100k

Ω

BA6110FS

1

7

15

14

R

R

15V

9

5

11

12

3

200

Ω

100k

Ω

100k

Ω

BA6110FS

1

7

15

14

V

200

Ω

20k

Ω

9

5

11

12

2C

200pF

C 100pF

200

Fig.5 Voltage-controlled secondary low pass filter