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Ulbricht; Gerald
Rothenbach, DE
No. of patents:

Patent Number Title Of Patent Date Issued
7305046 I/Q modulator with carrier predistortion December 4, 2007
An I/Q modulator used for processing an I/Q signal to obtain a predistorted output signal. The I/Q signal has an I component and a Q component, and comprises a predistorter for predistorting, with a predistortion signal, a carrier signal, which comprises a first subcomponent and a se
7158582 Digital I/Q modulator having a predistortion January 2, 2007
An I/Q modulator processes a time-discrete I/Q signal comprising an I component and a Q component. The I/Q signal is based on a sampling frequency which is equal to four times a carrier frequency of a carrier signal onto which the I/Q signal is modulated. A predistorter of the modula
6657492 System for estimating a non-linear characteristic of an amplifier December 2, 2003
In a method for estimating a non-linear characteristic of an amplifier, an input signal is provided, a reference signal is determined based on the power of the input signal, the input signal is amplified using said amplifier in order to produce an amplified signal, a measurement signal i

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