Feedforward distortion cancellation circuit

Details Feedforward distortion cancellation circuit Feedforward distortion cancellation circuit

1990-02-06

1991-09-24

Mullins, James B.

Amplifiers

With pilot frequency control means

330149, 330151, H03F 132

Patent

active

050517040

ABSTRACT:
A feedforward distortion cancellation circuit active control of both cancellation loops and a pilot signal and using least means squared circuits in both cancellation loops is disclosed. According to the invention, by using a pilot signal as the reference signal in a least means squared cancellation circuit, the required level of cancellation is reduced and thus it is easier to fabricate the circuit and the circuit is more stable.

REFERENCES:
patent: 4926134 (1990-05-01), Olver

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