Barkhausen–Kurz tube, also called the retarding-field tube, reflex triode, B–K oscillator, and Barkhausen oscillator was a high frequency vacuum tube...

magnetic field is changed Barkhausen stability criterion, in electronic circuits Barkhausen–Kurz tube, electronic vacuum tube oscillator This page lists...

magnetic domains. In 1920, he invented the Barkhausen–Kurz oscillator, with K. Kurz, the first vacuum tube electronic oscillator to use electron transit-time...

microwave range; before its invention the only sources were the Barkhausen–Kurz tube and split-anode magnetron, which were limited to very low power....

the first low-power microwave vacuum tubes had been developed using new principles; the Barkhausen–Kurz tube and the split-anode magnetron. These could...

the microwave region at 13.5 cm (2.22 GHz). The transmitter used a Barkhausen–Kurz tube (the first microwave generator) that produced only 0.1 watt. Unsuccessful...

and Calais, France. The radiated power, produced by a miniature Barkhausen–Kurz tube located at the dish's focus, was one-half watt. A 1933 military microwave...

modulation) vacuum tubes were developed, in which electrons traveled in "bunches" through the tube. The first of these was the Barkhausen–Kurz oscillator (1920)...

continuous sources of high frequency radio waves were developed: the Barkhausen–Kurz tube, the first oscillator which could produce power at UHF frequencies;...

tube, the "reflector" or "repeller", which caused the electrons to turn around and start flowing back toward the gun, similar to the Barkhausen–Kurz tube...