[sdiy] [synth-diy] lock-in amplifiers
cheater00 at gmail.com
Sun Jan 26 18:30:42 CET 2014
On Sun, Jan 26, 2014 at 6:07 PM, Donald Tillman <don at till.com> wrote:
> On Jan 26, 2014, at 7:50 AM, cheater00 . <cheater00 at gmail.com> wrote:
>> I've recently stumbled upon the concept of a lock-in amplifier.
>> Basically, it is a way to recover an AM signal from a carrier, even if
>> the carrier is buried deep in noise.
> Your description is difficult to follow, but I'm pretty sure this is exactly the same technique that's used to detect the L-R multiplex signal in Stereo FM.
At what point do you get lost?
Try reading the Wikipedia and SRS articles. They must be written by
people smarter than me.
More information about the Synth-diy