Barkhausen–Kurz tube - meaning and definition. What is Barkhausen–Kurz tube
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What (who) is Barkhausen–Kurz tube - definition


BarkhausenKurz tube         
  • Experimental low power 3 GHz AM communication link from 1938 uses Barkhausen-Kurz tubes for both transmitting and receiving
  • The first experimental [[microwave relay]] system, a 1.7 GHz link 40 miles across the English channel in 1931, used a Barkhausen-Kurz tube mounted at the focus of the 10 foot dish shown.  It had a radiated power of about 1/2 watt.
HIGH FREQUENCY VACUUM TUBE ELECTRONIC OSCILLATOR
Barkhausen-Kurz tube
The BarkhausenKurz tube, also called the retarding-field tube, reflex triode, B–K oscillator, and Barkhausen oscillator was a high frequency vacuum tube electronic oscillator invented in 1920 by German physicists Heinrich Georg Barkhausen and Karl Kurz. It was the first oscillator that could produce radio power in the ultra-high frequency (UHF) portion of the radio spectrum, above 300 MHz.
Tube (container)         
SOFT, SQUEEZABLE CONTAINER WHICH CAN BE USED FOR THICK LIQUIDS SUCH AS ADHESIVE, CAULKING, OINTMENT, AND TOOTHPASTE
Toothpaste tube; Tube (packaging); Collapsible tube; Squeeze tube
A tube, squeeze tube, or collapsible tube is a collapsible package which can be used for viscous liquids such as toothpaste, artist's paint, adhesive, caulk, & ointments. Basically, a tube is a cylindrical, hollow piece with a round or oval profile, made of plastic, paperboard, aluminum, or other metal.
Tubeworm         
INDEX OF ANIMALS WITH THE SAME COMMON NAME
Tube worm (body plan); Tubeworm; Tube Worm; Tubeworms; Tube worms
·noun Any annelid which constructs a tube; one of the Tubicolae.