Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1976-12-06
1978-06-27
Heyman, John S.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307297, 307310, 330296, 328 26, H02M 700
Patent
active
040977684
ABSTRACT:
A rectifier system for rectifying small amplitude alternating voltage signals has a first amplifier and a control amplifier. The alternating voltage signals are supplied to the first amplifier which has its operating point set between linear operation and cut-off to achieve rectifying operation. The operating point of the first amplifier is established by a control amplifier which supplies a control voltage for setting the operating point of the first amplifier. The first amplifier and control amplifier each have a transistor arranged in the same fundamental circuit and each of which are connected to the same supply voltage. The transistor in the control amplifier, however, has an amplification which is large in comparison with the amplification of the transistor in the first amplifier. The operating point of the first amplifier is stablized by the control amplifier despite fluctuations in the supply voltage or the temperature to which both amplifiers are exposed.
REFERENCES:
patent: 3906386 (1975-09-01), Hongu et al.
patent: 3958170 (1976-05-01), Hodgson
patent: 3970870 (1976-07-01), Horichi
patent: 3970876 (1976-07-01), Allen et al.
patent: 3987317 (1976-10-01), Hongu et al.
Heyman John S.
Siemens Aktiengesellschaft
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