High frequency generator

Details High frequency generator High frequency generator

1987-03-12

1989-02-21

Laroche, Eugene R.

Modulators

Amplitude modulator

Nonlinear device controlled by modulating signal

331117FE, 331168, 328 80, H03B 518

Patent

active

048068845

ABSTRACT:
A high frequency generator for sinusoidal output power includes an LC-parallel resonance circuit as an output circuit. A plurality of HF-modules of small output are coupled to the output circuit. Each HF-module consists of a controlled switch S1.1, S1.2, which is wired with a .lambda./4-line LL1, LL2. The coupling-in of the sinusoidal high frequency power occurring at the outputs of the .lambda./4-lines LL1, LL2 onto the output circuit occurs through coupling condensers CK1, CK2 and primary coils L1, L2. The voltage supply U.sub.B is provided by a timed circuit network portion 1, to which the line voltage 2 and a desired value 3 for the modulation of the HF-output power are fed. The operating voltage UB is fed to each HF-module through its own switch S2.1, S2.2, a filter condenser CL1, C12 and a .lambda./4-line LL7, LL8. Short-circuiting switches SK1, SK2 in parallel with each control switch S1.1, S1.2 see to it, in case of a switch malfunction, that the output circuit is only minimally detuned.

REFERENCES:
patent: 3139586 (1964-06-01), Dolan
patent: 4528524 (1985-07-01), Bert

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