Oscillators – L-c type oscillators
Patent
1991-04-29
1992-05-12
Pascal, Robert J.
Oscillators
L-c type oscillators
331171, H03B 100
Patent
active
051131579
ABSTRACT:
A high-frequency electron tube power oscillator includes a multi-grid electron tube (1) in which the output power is adjusted by means of an adjustable impedance element (5) connected in series with the cathode line of the tetrode (1). In order to reduce the dissipated power in the adjustable impedance element (5), the voltage across the impedance element is connected to the screen grid of the tetrode (1) through an amplifier (6) constituted by a triode (9) and a current source (10).
REFERENCES:
patent: 4761618 (1988-08-01), Patron et al.
patent: 4761619 (1988-08-01), Patron
patent: 4954792 (1990-09-01), Patron
Patron Christian S. A. E.
Sowinski Eugene J.
Franzblau Bernard
Pascal Robert J.
U.S. Philips Corporation
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