Measuring attenuation, gain, phase shift or derived characteristics of electric four pole networks, i.e. two-port networks; Measuring transient response (in line transmission systems H04B3/46)

Full Title

Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom > Measuring attenuation, gain, phase shift or derived characteristics of electric four pole networks, i.e. two-port networks; Measuring transient response (in line transmission systems H04B3/46)

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• G01R 27/30 with provision for recording characteristics, e.g. by plotting Nyquist diagram
• G01R 27/32 in circuits having distributed constants