Oscillators – Relaxation oscillators
Patent
1977-12-15
1979-10-16
Griffin, Robert L.
Oscillators
Relaxation oscillators
328 8, 331 87, 315105, 343 171R, H04B 104
Patent
active
041715144
ABSTRACT:
A radar system having automatic compensation to the heater power applied to the final output tube for changes in the peak tube power output. Substantially constant peak power is attained for radar pulses of varying widths and over a plurality of range scales. A controlled voltage is derived in accordance with the peak of the anode power or current coupled to the final transmitter tube. The control voltage is amplified to operate a free-running bistable multivibrator the output of which is transformer coupled to the heater of the output tube.
REFERENCES:
patent: 2748316 (1956-05-01), Stevenson, Jr.
patent: 2750503 (1956-06-01), Gottier
patent: 2864058 (1958-12-01), Fredrick
patent: 2910652 (1959-10-01), Siedband
patent: 2946021 (1960-07-01), Siedband et al.
patent: 2955263 (1960-10-01), Hobrough
patent: 3296551 (1967-01-01), Staples
patent: 3351808 (1967-11-01), Hurlimann
Arnold H. W.
Bartlett M. D.
Griffin Robert L.
Ng Jin F.
Pannone J. D.
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