Documents 18-Lock-in-amplifiers

Lock-in amplifiers http://www.lockin.de/ Frequency dependence of noise • Low frequency ~ 1 / f • • • Signals and noise Total noise in 10 Hz bandwidth Signal at DC…

Documents Lock-in amplifiers . Signals and noise Frequency dependence of noise Low frequency ~ 1 / f...

Slide 1 Lock-in amplifiers http://www.lockin.de/ Slide 2 Signals and noise Frequency dependence of noise Low frequency ~ 1 / f –example: temperature (0.1 Hz), pressure…