Telephone Amplifier by LF351+TBA820M
circuit Telephone Amplifier by LF351+TBA820M
If phone your light exceedingly ring. Invite come to this way. I thinks this circuit can help. It is Telephone Amplifier circuit. By have pillar equipment be IC LF351 perform enlarge telephone signal from pick up give the power goes up. Before transmit to IC TBA820M for amplify with a loudspeaker next sir. And VR1 perform fine the loud sound or the silent
is extremely fond of something. See circuit detail enhances in a picture.
Related Links
Telephone circuit
telephone amplifier circuit
More circuit by IC LF351
More Circuit by IC TBA820
Telephone Audio Interface
Phone Hold With Music
Circuit Telephone Ringer by IC KA2411
Categories: Power Amplifier, Telephone Tags: LF351, tba820m, Telephone amplifier
or 
