Matrix amplifying circuit

Details Matrix amplifying circuit Matrix amplifying circuit

1975-04-09

1976-11-16

Olms, Douglas W.

1791004ST, 179 1GQ, H04R 500, H04H 500

Patent

active

039925900

ABSTRACT:
A matrix amplifying circuit comprises a first operational amplifier having an inverting and a non-inverting input terminal. The sum of the first and second channel signals is applied to the inverting terminal. The difference of the two channel signals is applied to the non-inverting terminal. The matrix amplifier substracts these sum and difference signals and a second operational amplifier adds them. This second amplifier has an inverting input terminal to which the sum signal and the difference signal are respectively supplied. These first and second operational amplifiers respectively produce first and second channel signals, as outputs thereof.

REFERENCES:
patent: 3076057 (1963-01-01), Baugh
patent: 3629719 (1971-12-01), Heller
patent: 3746792 (1973-07-01), Scheiber
patent: 3757241 (1973-09-01), Kime et al.

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