RC coupling filter, especially an input filter, for receivers of

Details RC coupling filter, especially an input filter, for receivers of RC coupling filter, especially an input filter, for receivers of

1985-12-17

1987-05-05

Mullins, James B.

Amplifiers

Signal feedback

Phase shift means in loop path

330303, 330306, H03F 134

Patent

active

046635971

ABSTRACT:
A RC coupling filter, especially an input filter for receivers of centralized ripple control systems, with at least two similar active RC four terminal networks with at least one amplifier each, each four terminal network having an input and every two adjacent RC four terminal networks being interconnected by means of exactly one coupling admittance connected between the inputs of the adjacent RC four terminal network, wherein, if the signal to be filtered is introduced into the input of the first RC four terminal network, a feeding admittance is connected at one end to the input of the first RC four terminal network, the signal to be filtered being introduced into the other end of the feeding admittance.

REFERENCES:
patent: 3936777 (1976-02-01), Rollett et al.
patent: 4147997 (1979-04-01), Greaves
patent: 4551686 (1985-11-01), Benzinger

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