Transcription of IET LCR PRIMER
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PRECISION INSTRUMENTS FOR TEST AND MEASUREMENT LCR Measurement PRIMER 1st Edition, Feburary 2018 COPYRIGHT 2018 IET Labs Inc. LCR Measurement PRIMER 2 of 78 Contents 1 What is Impedance? 6 Phase Shift .. 6 Series vs. Parallel Equivalencies .. 7 2 History of Impedance Measurement 11 A Bridge to the Future Capacitance Measurements through the Ages .. 11 Analog Bridges .. 11 The Transformer & Printed Circuit Boards .. 12 3 Basic Measurement Techniques 15 4 Note: 1- terminal = 1 wire = 1 lead = 1 connection 21 Two-Terminal Measurements .. 21 Four-Terminal Measurements .. 21 Three-Terminal (or Guarded) Measurements.
LCR Measurement Primer 6 of 78 1 What is Impedance? Electrical Impedance (Z), is the total opposition that a circuit presents to alternating current. Impedance changes according to the components in the circuit and the frequency of the
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