1.4 - 2.4 GHz RF Predistortion Tube Linearizer
The model Lin2000 RF predistortion tube linearizer for the digital audio broadcast and PCS markets operates across the 1.4 to 2.4 GHz frequency band. Linear gain is 15 dB with 6 to 10 dB of gain expansion. The linearizer is adjustable to match well with either traveling-wave tubes or Klystron tubes and has demonstrated greater than 25 dB of carrier-to-interference (C/I) improvement. (A model variation has demonstrated greater than 15 dB of C/I improvement with Si LDMOS power amplifiers.)
Filtronic Solid State, Santa Clara, CA (408) 988-1845.