Stage of a power generator of high frequency current
AssigneeElectricite de France (Service National)
InventorsGeorges Roussy, Michel Moneuse, William Benoit, Bernard Dichtel, Jean-Marie Jacomino
Life of this patent
Estimating the term…
Abstract
Output amplifier stage (1) of a high frequency generator (1) with tube (2) operating in class B or C has its output (5) looped back on the input (4) by means of a coaxial line (31) with a length equal to approximately the wave length corresponding to the operating frequency. The apparent gain of the amplifier stage (1) is thus increased and the output power from an intermediate amplifier (24) can be correspondingly reduced, amplifying a stable signal at the operating frequency.
Claims12
Output amplifier stage (1) of a generator generating a high frequency current with wave length λ, designed to power a load impedance (12), comprising a triode or a tetrode (2) polarized to operate in class B or C, the triode or the tetrode (2) being provided with a cathode (4), and an anode (5), characterized in that the anode (5) of the triode or the tetrode (2) is coupled back to the cathode (4) so as to cause a positive reaction through a wide band line (31), with distributed constants or distributed local impedances with an input (33) coupled to the anode (5) and an output coupled to the cathode (4).
High frequency generator characterized in that it comprises an output amplifier stage (1) according to any one of the preceding claims.
Dependencies are inferred from the claim text.