This audio amplifier circuit is useful in classrooms to reduce the strain of lecturing ,if the surrounding environment is noisy. It uses the power amplifier IC LM380 that gives 2 watts output which is ...

ok, so im just fooling around with audio circuit related stuff trying to learn new stuff, and I have some questions.<BR><BR>I am making a Bandpass filter with peak ...

This low noise microphone amplifier is build with MAT02 produced by PMI. This mic amplifier is very performant and has a very low noise level. The amplification can be 20dB or 23.5dB (10x or 15x ) ...

Mods please move if the wrong forum, thanks. Hey all, I have a problem when playing Portal 2 online with my 11 year old nephew--namely that I'm hearing a echo of my own voice with about a 1 second or ...

In a split decision, the US Court of Appeals for the Federal Circuit affirmed a Patent Trial and Appeal Board (PTAB) decision finding a patent invalid despite a 2011 Federal Circuit decision that ...