Microwave power amplitude limiter

Claim 1

A MICROWAVE POWER AMPLITUDE LIMITER COMPRISING: (A) PASSIVE REFLECTING MEANS HAVING A REFLECTION COEFFICIENT WHICH VARIES INVERSELY WITH THE AMPLITUDE OF INCIDENT MICROWAVE POWER FOR REFLECTING A PORTION OF THE INCIDENT MICROWAVE ENERGY TO BE LIMITED, THE REFLECTED MICROWAVE ENERGY HAVING A RELATIVELY CONSTANT POWER LEVEL, SAID PASSIVE REFLECTING MEANS INCLUDING: (1) A WAVEGUIDE SECTION HAVING ONE END TERMINATED BY THE CHARACTERISTIC IMPEDANCE OF SAID WAVEGUIDE SECTION, AND (2) A SEMICONDUCTOR LIMITER DIODE ELECTRICALLY AND PASSIVELY CONNECTED ACROSS SAID WAVEGUIDE SECTION IN PARALLEL ORIENTATION TO THE DIRECTION OF THE ELECTRIC VECTOR OF THE DOMINANT TRANSVERSE ELECTRIC MODE OF SAID WAVEGUIDE SECTION; AND (B) JUNCTION MEANS CONNECTED TO SAID WAVEGUIDE SECTION OF SAID PASSIVE REFLECTING MEANS FOR ISOLATING MICROWAVE ENERGY SUPPLIED TO SAID PASSIVE REFLECTING MEANS TO BE LIMITED FROM MICROWAVE ENERGY REFLECTED BY SAID PASSIVE REFLECTING MEANS.