Title :
Impedance Measurements with Directional Couplers and Supplementary Voltage Probe
Author_Institution :
Federal Telecommunication Laboratories, Inc., Nutley, N.J.
Abstract :
Impedance measurements may be made at very-high frequencies and above with the impedometer, consisting of two oppositely connected directional couplers and a voltage probe in a short transmission line. An experimental model for frequencies between 50 and 500 Mc is described.
Keywords :
Directional couplers; Impedance measurement; Probes; Pulse circuits; Pulse measurements; Reflection; Resistors; Steady-state; Transmission line theory; Voltage;
Journal_Title :
Proceedings of the IRE
DOI :
10.1109/JRPROC.1949.234285
