Oscillators – Plural oscillators – Oscillator used to vary amplitude or frequency of another...
Patent
1986-02-27
1987-10-13
Grimm, Siegfried H.
Oscillators
Plural oscillators
Oscillator used to vary amplitude or frequency of another...
331113A, 363133, H03K 330
Patent
active
047001470
ABSTRACT:
An oscillator circuit for generating a square wave output for space or terrestrial applications comprising a main oscillator and a saturable transformer forming the feedback loop of the power inverter. According to the invention, a synchronization circuit comprises transistors for shortcircuiting respective branches of the primary winding of this transformer upon detection of signal from differentiators connected to the main oscillator. Means connects a main limiting resistor to the center tap of the primary winding so that flux inversion is effected in the saturable transformer at the end of a power inverter recovery time.
REFERENCES:
patent: 3257604 (1966-06-01), Colclaser et al.
patent: 3683208 (1972-08-01), Burens
Dubno Herbert
Grimm Siegfried H.
Ross Karl F.
Selenia Spazio
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