Electric lamp and discharge devices: systems – Cathode ray tube circuits – Cathode-ray deflections circuits
Patent
1979-02-12
1980-10-07
Blum, Theodore M.
Electric lamp and discharge devices: systems
Cathode ray tube circuits
Cathode-ray deflections circuits
315408, H01J 2970, H01J 2976
Patent
active
042271231
ABSTRACT:
An amplifier includes first and second switches coupled at a junction to form a series circuit. The series circuit is serially coupled with an inductor across a source of energizing potential. A capacitor couples the junction between the switches to a load. The switches conduct alternately under the control of a duty cycle modulator. The duty cycle modulation tends to vary the amplitude of the two opposite-polarity portions of the signal appearing across the load. A clamp is coupled to the junction of the series switch circuit and the inductor. The clamp operates during a first of the two alternate switch conduction intervals to clamp the voltage across the inductor at a fixed value. Since a direct voltage cannot be established across an inductor, the voltage across the inductor during the second switch conduction interval is established by the clamp voltage and the duty cycle, and varies with duty cycle. The amplitude of the signal at the junction of the two switches varies with duty cycle variations in such a manner as to maintain the signal of one polarity across the load at a constant amplitude.
REFERENCES:
patent: 3984729 (1976-10-01), Steckler et al.
patent: 3999101 (1976-12-01), Fischman et al.
Blum Theodore M.
Laks Joseph J.
Rasmussen Paul J.
RCA Corporation
Whitacre Eugene M.
LandOfFree
Switching amplifier for driving a load through an alternating-cu does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Switching amplifier for driving a load through an alternating-cu, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Switching amplifier for driving a load through an alternating-cu will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-620975