Reduction of undesired harmonic components

Details Reduction of undesired harmonic components Reduction of undesired harmonic components

1986-12-22

1989-03-07

Masinick, Michael A.

Telecommunications

Transmitter

Having harmonic radiation suppression

455103, 330124R, 330126, H04B 104

Patent

active

048114227

ABSTRACT:
Reduction of undesired r.f. harmonics, generated in the highest power power amplifier of a transmitter, is achieved by providing at least one alternate path for the undesired harmonics incorporating a relatively low powered power amplifier for at least one undesired harmonic component and causing the harmonic, in this alternate path, to have an amplitude that is substantially equal and a phase 180 degrees relative to the corresponding harmonic output from the main path and combining the outputs of the paths.

REFERENCES:
patent: 3202928 (1965-08-01), Prior
patent: 3458816 (1969-07-01), O'Brien

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