Kim Thomas Lancaster

US Patent:

20160056881, Feb 25, 2016

Filed:

Aug 21, 2015

Appl. No.:

14/832982

Inventors:

- Bethesda MD, US
Kim Thomas LANCASTER - New Hope PA, US
Douglas V. MCKINNON - Littleton CO, US
Novellone ROZARIO - Trenton NJ, US
Jason Michael TEIXEIRA - Swedesboro NJ, US

International Classification:

H04B 7/185
H03F 3/19
H03F 3/21
H03F 1/02

Abstract:

A high-linearity linearizer system includes a multi-stage linearizer circuit formed by cascading multiple linearizer circuits. The multi-stage linearizer circuit is configured to pre-distort an input signal to generate a pre-distorted signal. A non-linear high-power amplifier (HPA) having non-linear characteristics is coupled to the multi-stage linearizer circuit and is configured to amplify the pre-distorted signal. Pre-distortion characteristics of the multi-stage linearizer circuit are configured to counter the non-linear characteristics of the non-linear HPA and to compensate a non-linearity of the non-linear HPA to achieve a desired level of linearity.