helitron

helitron

[′hel·ə‚trän]
(electronics)
An electrostatically focused, low-noise backward-wave oscillator; the microwave output signal frequency can be swept rapidly over a wide range by varying the voltage applied between the cathode and the associated radio-frequency circuit.
References in periodicals archive ?
Recently a novel family of eukaryotic transposable elements, termed Helitrons was discovered.