4 or 6 wideband digital upconverter channels VersaCREST? crest reduction engine reduces demands on external power amplifiers One 20-bit complex input port (I/Q interleaved), shared among 4 or 6 processing channels Two 18-bit output ports for parallel I and Q, or interleaved I and Q on a single port All-pass phase equalizer filters (meets cdma2000 requirements) Programmable RAM coefficient FIR filters (RCF) with resampling FIR interpolating filters and Fifth-order interpolating CIC filter Full complex NCO, 32-bit tuning resolution (fine), worst spur better than - 105 dBc Complex FIR filter for frequency equalization Power monitoring and output Automatic Gain Control 16-bit/8-bit MicroPort or SPI/SPORT compatible serial port 3.3 V I/O and 1.8 V core supplies