Voltage standing wave ratio bridge measuring circuit

Telecommunications – Transmitter – Measuring – testing – or monitoring of transmitter

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Details

324 58B, 455 67, H03C 162, H04B 1700

Patent

active

047395150

ABSTRACT:
A method and apparatus for measuring the voltage standing wave ratio on a radio frequency transmission line. The bandwidth of radio frequency signals over which the apparatus accurately operates is improved by the use of a filter to unload terminating resistors at low frequencies and by the use of an inductive element in the measuring circuit to compensate for phase lag induced by elements of the measuring circuit.

REFERENCES:
patent: 2588390 (1952-03-01), Jones
patent: 2734169 (1956-02-01), Douma
patent: 2797387 (1957-06-01), Adams et al.
patent: 2808566 (1957-10-01), Douma
patent: 3020529 (1962-02-01), Turner
patent: 3145338 (1964-08-01), Downs
patent: 3683274 (1972-08-01), Martin
patent: 4075554 (1978-02-01), Mecklenburg
patent: 4110685 (1978-08-01), Leenerts

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