<p>An apparatus in one example comprises a differential amplifier and a differential mixer. The differential amplifier is configured to receive a multi-octave differential input signal and output an amplified multi-octave differential output signal. The differential amplifier is also configured to substantially reduce second order harmonic distortion of the amplified multi-octave differential output signal through common mode rejection. The differential mixer configured to multiply the amplified multi-octave differential output signal with a local oscillator input signal and output an up-converted sub-octave differential output signal. The multi-octave differential input signal and the up-converted sub-octave differential output signal comprise a substantially same bandwidth.</p>
申请公布号
EP1923992(A1)
申请公布日期
2008.05.21
申请号
EP20070115706
申请日期
2007.09.05
申请人
NORTHROP GRUMMAN CORPORATION
发明人
KINTIS, MARK;FONG, FLAVIA S.;CHERRETTE, ALAN;KORETZKY, EDWARD V.;RIVERA, JUAN;ROWAN, GREGORY H.;YAMAUCHI, DERRICK M.