Electrical transmission or interconnection systems – Superimposed unlike currents – Different frequencies or phase
Patent
1984-12-17
1986-07-01
Shoop, Jr., William M.
Electrical transmission or interconnection systems
Superimposed unlike currents
Different frequencies or phase
307105, 307149, 330105, 330 79, H02J 302
Patent
active
045982120
ABSTRACT:
A driver circuit for applying a first signal having a desired wave form, frequency and peak to peak voltage to a coaxial transmission line which also has applied to it a second signal having a substantially higher frequency. An operational amplifier has the first signal applied to its noninverting input terminal. The output of the operational amplifier is applied across the primary winding of a driver coupling transformer through an inductor which provides high impedance to the second signal. The voltages induced in the secondary winding of the driver transformer are applied to the transmission line. The primary winding of a feedback transformer is connected in parallel with the secondary winding of the driver transformer. The voltage induced in the secondary winding in the feedback transformer are applied by a feedback circuit including an R.C. filter to the inverting input terminal of the operational amplifier. The signal applied to the inverting input terminal includes both an A.C. component and a D.C. component, which components cause the output current of the operational amplifier to induce in the secondary winding of the driver transformer a signal, the wave form, frequency and peak to peak voltage of which substantially equal those of the first signal applied to the noninverting input terminal of the operational amplifier.
REFERENCES:
patent: 2215777 (1940-09-01), Benz
patent: 2542087 (1951-02-01), Kreithen
patent: 2719191 (1955-09-01), Hermes
patent: 2751442 (1956-06-01), Ketchledge
patent: 2827576 (1958-03-01), Wohlers
patent: 3030022 (1962-04-01), Gittleman
patent: 3043965 (1962-07-01), Scarbrough et al.
patent: 3134080 (1964-05-01), Story
patent: 3341786 (1967-09-01), Stull
patent: 3368159 (1968-02-01), Richman
patent: 3445781 (1969-05-01), Wolcott
patent: 3564441 (1971-02-01), Eide
patent: 3577179 (1971-05-01), West
patent: 3648188 (1972-03-01), Ratcliff
patent: 3684975 (1972-08-01), Valfre
patent: 3820036 (1974-06-01), Akiyama
patent: 4105941 (1978-08-01), Routh
patent: 4156859 (1979-05-01), Forward et al.
patent: 4175465 (1979-11-01), Schmoll
patent: 4253070 (1981-02-01), Carlsen, II
patent: 4453131 (1984-06-01), Paullus
Honeywell Inc.
Ip Shik Luen Paul
Medved A.
Sapelli A. A.
Shoop Jr. William M.
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