Dielectric based submillimeter backward wave oscillator circuit

Details Dielectric based submillimeter backward wave oscillator circuit Dielectric based submillimeter backward wave oscillator circuit

1982-10-13

1984-07-10

Miller, Stanley D.

Oscillators

Beam tube

With electron bunching or velocity variation means

315 36, 315 393, 333162, H01J 2540, H03B 908

Patent

active

044595620

ABSTRACT:
A ladder circuit especially useful in backward wave oscillators operating in the 500 GHz to 2,000 GHz range comprises a waveguide (10) having disposed therein transversely oriented slabs (16) which contact an upper wall (22) of waveguide (10). The edges of slabs (11) adjacent the physical center of waveguide (10) along which is directed an electron beam (19) have respective curved segments (11) and stubs (12) and (13) of electrically conductive, non-magnetic material supported thereon. The ends of slabs (16) include metal layers (17) and (18) at respective opposite ends to provide a conductive leakage path. A ridge bar (20) is attached to the inside of the bottom wall (21) of the waveguide (10) and includes a concave upper surface which partially straddles electron beam (19). The inside width of the waveguide (10) is approximately one-half wavelength as determined by the frequency of operation of the backward wave oscillator.

REFERENCES:
patent: 3610999 (1971-10-01), Falce et al.
patent: 4422012 (1983-12-01), Kosmahl

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