Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1982-09-27
1985-06-11
Miller, Stanley D.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
328 26, 363127, 307260, 307490, 307496, 307494, 330257, 330261, 330252, 323315, 329166, H03K 508, H03K 513
Patent
active
045231052
ABSTRACT:
An amplifier, including a pair of emitter coupled non-complementary transistors operated at constant emitter, base and collector potentials, provides a bidirectional output current proportional to an AC signal to be rectified. The output current is applied to a common base connection of a pair of complementary emitter-coupled base-coupled transistors having a common emitter connection coupled via a linearizing feedback resistor to the base electrode of one of the amplifier transistors and via a load to a source of reference potential. The collector potentials of the complementary transistors are regulated and a full wave rectified output signal is produced by a cascade connection of complementary current mirror amplifiers having inputs coupled to the collector electrodes of the complementary transistors and an output coupled to the point of reference potential via a further load thereby providing the combined advantages of improved linearity and dynamic range characteristic of feedback types of rectifiers and improved stability and wide bandwidth characteristic of feedforward rectifiers.
REFERENCES:
patent: 3566145 (1971-02-01), Goodale
patent: 4336586 (1982-06-01), Lunn
patent: 4360866 (1982-11-01), Main et al.
patent: 4445054 (1984-04-01), Ishii
Designing With Operational Amplifiers, by Jerald Graeme, 1977, McGraw Hill, Chapter 5, pp. 126-148.
Applications of Operational Amplifiers, Third-Generation Techniques, J. G. Graeme, McGraw-Hill Book Company, 1973, pp. 119-132.
Craft Jack
Jose David L.
Pike Winthrop S.
Coalter R. G.
Emanuel P. M.
Miller Stanley D.
Rasmussen P. J.
RCA Corporation
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