LM380 Audio Amplifier | Electronic Project Circuits

Posts Tagged ‘LM380 audio amplifier’

LM380 mini size Amplifier

This be mini size power amplifier 2 watt OTL that use IC LM380. Be base readymade circuit for side sound work and the communication. Which use outside equipment adds least. The C6 can choose get many the value since 47uF to at 470uF which , have a voice good bass. The C3 use for decrease tall frequency or noise. It be valuable stay between 0.0047uF sections arrive at 0.047uF. And use to The 12V power supply from , car battery or the other. The detail is other , see in the circuit.

Be the first to comment - What do you think? Posted by admin - January 17, 2010 at 9:21 pm

Categories: Power Amplifier Tags: LM380 audio amplifier, Mini amp IC

Mini intercom by one ic op-amp

This is mini size intercom circuit. It uses IC Op-amp number LM380 just one as a result can work already. When switch S1 stay in a position speaks loud show in circuit picture. The loudspeaker of mother station will perform to is microphone for drive op-amp. By change step up transformer or T1. The switch of child station will must is in a position listens. The voltage of power supply stay in 8-20Volt sections.