Velocity modulation microwave amplifier with multiple band inter

Details Velocity modulation microwave amplifier with multiple band inter Velocity modulation microwave amplifier with multiple band inter

1991-02-19

1992-11-10

LaRoche, Eugene R.

Amplifiers

With electron beam tube amplifying device

330 45, 315 36, 315 543, H01J 2561

Patent

active

051627477

ABSTRACT:
Two or more signal interaction structures (16,18), which may be klystron or traveling wave structures (32,50), are axially disposed in series between an electron gun (12) and a collector (14) for selectively velocity modulating an electron beam (20) generated by the gun (12) with a microwave input signal (IN1,IN2) and extracting a resulting amplified microwave output signal (OUT1,OUT2) from the beam (20). The interaction structures (16,18) are designed to operate in different frequency bands, for example the X and Ku bands, with only one of the structures (16,18) having an input signal (IN1,IN2) applied thereto at any given time. The interaction structures (16,18) are further designed such that the structures (16,18) which are not being used do not affect the structure (16,18) which is being used.

REFERENCES:
patent: 2954553 (1960-09-01), Gruenberg
patent: 2972081 (1961-02-01), Bridges et al.
patent: 2974252 (1961-03-01), Quate
patent: 3009078 (1961-11-01), Ashkin
patent: 3090925 (1963-05-01), Adler et al.
patent: 3101449 (1963-08-01), Ashkin
patent: 3227959 (1966-01-01), Kluver
patent: 3258706 (1966-06-01), Sturrock
patent: 3264568 (1966-08-01), Goerz, Jr. et al.
patent: 3289032 (1966-11-01), Rubert et al.
patent: 3753030 (1973-08-01), McManus
patent: 4931695 (1990-06-01), Symons

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