DEVICE WHICH MEASURES POWER IN WAVEGUIDE CIRCUITS Russian patent published in 1997 - IPC

FIELD: radio instruments for microwave devices. SUBSTANCE: waveguide has piece of rectangular waveguide in which absorbing plate is located in plane of inner surface of wide wall. Two temperature sensors which have equal length and are connected to indication unit are mounted on absorbing plate. Said temperature sensors are displaced with respect to each other in lateral and longitudinal directions. In longitudinal direction distance between detectors is less than quarter wave of waveguide. In lateral direction distance between edge of piece of rectangular waveguide to end of further temperature sensor conform to equation which is given in invention specification. Device may be used for measurement of passing high level power in transmission lines of transmitters, radars, accelerators of charged particles, test beds. EFFECT: decreased variable constituent of mismatch error. 6 dwg, 3 tbl