Jul 08

LM386 Intercom

Intercom-schematic-diagram

LM386 Intercom Circuit Schematic Diagram

Intercom-circuit

LM386 Intercom Board and Components Layout

Parts List

Resistor :

  • R1 …………………………………. 10
  • R2 ………………………………. 5,6K

Capacitor :

  • C1 ……………………………. 220pF
  • C2,C5,C6 …………………… 100uF
  • C3 ……………………………. 47KpF
  • C4 ………………………….. 100KpF

Integrated Circuit :

  • IC1 …………………………… LM386

Transfomer :

  • T1 …………….. Transformer  1 : 25

Other :

  • Speaker 2″ ………………….. 8 ohm