(57) The invention relates to a device for the combination without r.f. power loss of
two or more microwave transmitters running in parallel and with any power ratio, comprising
as basic components in cascade connection and with the interposition of rotative joints
and, where necessary, of transition connections with the rotative joints, a first
orthogonal mode input transducer (OMT1), a first rotative polarizer (P1) which can
receive at the input an elliptically polarized field and supply at the output a linearly
polarized field, a second rotative polarizer (P2) which can receive at the input a
linearly polarized field and supply at the output a linearly polarized field which,
however, in an intermediate part has got a transformation into a circular polarization,
a second orthogonal mode output transducer (OMT2) and two motors (M1, M2) commanding
the rotational motions of said two polarizers (P1, P2) and being controlled by a computer
which gets monitoring data from a detector diode (DR) connected with the transversal
branch of said output transducer.
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