LM386

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

6 of 8

www.unisonic.com.tw

QW-R107-007.H

TYPICAL APPLICATIONS CIRCUIT

+

-

Vs

FROM

DETECTOR

1

2

3

4

5

6

7

8

10KΩ

250μF

+

0.05μF

AM Radio Power

Amplifier

+

10μF

10μF

+

Cc

10KΩ

R1

C1

2200pF

0.05μF

+

8Ω

SPEAKER

FERRITE

BEAD

47Ω

Note 1: Twist Supply lead and supply ground very tightly.

Note 2: Twist speaker lead and ground very tightly.

Note 3: Ferrite bead in Ferroxcube K5-001-001/3B with 3 turns of wire.

Note 4: R1C1 band limits input signals.

Note 5: All components must be spaced very closely to IC.

47