The present invention relates to a lineariser for use with an amplifier and to a method of linearising an amplifier. The lineariser comprises an input to receive an input signal and an output for outputting an adjusted signal. A gain variations adjustment means are provided for adjusting amplitude dependent gain variations of the signal. A phase variations adjustment means are provided for adjusting amplitude dependent phase variations of the signal. Said gain and phase variations adjustment means are adapted to be individually adjustable elements on the signal path between said input and output. A variable gain amplifier is provided on the signal path between the gain variations adjustment means and phase variations adjustments means. The adjusted signal is then input to said amplifier.
申请公布号
WO0237669(A1)
申请公布日期
2002.05.10
申请号
WO2001EP12429
申请日期
2001.10.25
申请人
NOKIA CORPORATION;PEKONEN, ELIAS;HACZEWSKI, ANDRZEJ;BHARJ, JASPAL