Feedback in Electromechanical Drive Systems
The majority of published Mössbauer experiments make use of an electromechanical drive system (loudspeaker system or, as it will be referred to in this paper, transducer).† In most of these cases, the very efficient combination with a multichannel analyzer has been used. In several experiments with very different physical problems under investigation and with different isotopes, the setup described here proved to be very useful, reliable, and economical. This setup has essentially been described elsewhere , but some of its features are summarized here again to demonstrate the situation in which the feedback system, our main topic, is applied.
KeywordsReference Signal Sine Wave Feedback System Frequency Response Function Fourier Amplitude
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