Государственный Университет "Львовская Политехника"
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Digital measuring device for CLR-parameters has source of harmonic signal, phase changer oj basis of operative amplifier in mode of integrator, linear transformer of complex resistance to voltage, switch, normally closed and normally open contacts of that one are connected to output and input of phase changer, respectively, phase-sensitive and amplitude detectors. To increase accuracy of measurement output of source of alternating signal is connected to input of phase changer, input of transformer – to input of amplitude detector and common contact of switch, and output – to measuring input of phase-sensitive detector.
UA3565335A1983-03-211983-03-21Digital measuring devices for clr-parameters
UA6351A1
(en)