Electron beam tube arrangements having primary and secondary output cavities

A linear electron beam tube amplifying arrangement, comprising:

• a primary output cavity;
• amplification means, responsive to a high frequency input signal, for producing an amplified output signal in said primary output cavity, said amplification means including an input cavity, means for applying said high frequency input signal to said input cavity, and means for generating an electron beam, said electron beam being modulated by said input signal and interacting with said primary output cavity to produce said amplified output signal in said primary output cavity;
• a secondary output cavity;
• first coupling means for coupling said amplified output signal from said primary output cavity to said secondary output cavity, said first coupling means including a coupling loop located in said primary output cavity;
• and
• second coupling means for coupling said amplified output signal out of said secondary output cavity,
• wherein said first coupling means further comprises another coupling loop located in said secondary output cavity, said another coupling loop being connected to said coupling loop located in said primary output cavity, and
• wherein at least one of the position of said another coupling loop in said secondary output cavity and the orientation of said another coupling loop in said secondary output cavity is adjustable.

A linear electron beam tube amplifying arrangement, comprising:

• a primary output cavity;
• amplification means, responsive to a high frequency input signal, for producing an amplified output signal in said primary output cavity, said amplification means including an input cavity, means for applying said high frequency input signal to said input cavity, and means for generating an electron beam, said electron beam being modulated by said input signal and interacting with said primary output cavity to produce said amplified output signal in said primary output cavity;
• a secondary output cavity;
• first coupling means for coupling said amplified output signal from said primary output cavity to said secondary output cavity, said first coupling means including a coupling loop located in said primary output cavity;
• and
• second coupling means for coupling said amplified output signal out of said secondary output cavity,
• wherein said first coupling means further comprises another coupling loop located in said secondary output cavity, said another coupling loop being connected to said coupling loop located in said primary output cavity, and
• wherein at least one of the position and orientation of said coupling loop located in said primary output cavity is adjustable independently of said another coupling loop.

A linear electron beam amplifying arrangement, comprising:

• a primary output cavity;
• amplification means, responsive to a high frequency input signal, for producing an amplified output signal in said primary output cavity, said amplification means including an input cavity, means for applying said high frequency input signal to said input cavity, and means for generating an electron beam, said electron beam being modulated by said input signal and interacting with said primary output cavity to produce said amplified output signal in said primary output cavity;
• a secondary output cavity, said secondary output cavity including a wall;
• first coupling means for coupling said amplified output signal from said primary output cavity to said secondary output cavity, said first coupling means including a coupling loop located in said primary output cavity;
• second coupling means for coupling said amplified output signal out of said secondary output cavity;
• and
• at least one projection which extends from said wall into said secondary output cavity and which is movably disposed in said secondary output cavity.

A linear electron beam tube amplifying arrangement, comprising:

• a primary output cavity;
• amplification means, responsive to a high frequency input signal, for producing an amplified output signal in said primary output cavity, said amplification means including an input cavity, means for applying said high frequency input signal to said input cavity, and means for generating an electron beam, said electron beam being modulated by said input signal and interacting with said primary output cavity to produce said amplified output signal in said primary output cavity;
• a secondary output cavity;
• first coupling means for coupling said amplified output signal from said primary output cavity to said secondary output cavity, said first coupling means including a coupling loop located in said primary output cavity;
• and
• second coupling means for coupling said amplified output signal out of said secondary output cavity;
• wherein said secondary output cavity comprises a wall with a dome formation, and
• wherein said first coupling means further comprises means for connecting said coupling loop to said dome formation.

A linear electron beam tube amplifying arrangement, comprising:

• a primary output cavity;
• amplification means, responsive to a high frequency input signal, for producing an amplified output signal in said primary output cavity, said amplification means including an input cavity, means for applying said high frequency input signal to said input cavity, and means for generating an electron beam, said electron beam being modulated by said input signal and interacting with said primary output cavity to produce said amplified output signal in said primary output cavity;
• a secondary output cavity;
• first coupling means for coupling said amplified output signal from said primary output cavity to said secondary output cavity, said first coupling means including a coupling loop located in said primary output cavity;
• and
• second coupling means for coupling said amplified output signal out of said secondary output cavity,
• wherein said first coupling means comprises means for permitting a variable degree of coupling between said primary and secondary output cavities, at least one of the position of said coupling loop in said primary output cavity and the orientation of said coupling loop in said primary output cavity being adjustable so as to adjust the degree of coupling between said primary and secondary output cavities.