AD6633
FEATURES
4 or 6 wideband digital upconverter channels Versa CREST crest reduction engine reduces demands on external power amplifiers One 20-bit plex input port (I, Q interleaved), shared among 4 or 6 processing channels Two 18-bit output ports for parallel I and Q or a single 18-bit output port for interleaved I and Q All-pass phase equalizer filters (meets IS-95 requirements) Programmable RAM coefficient FIR filters (RCF) with resampling FIR interpolating filters, 2 per channel Fifth-order interpolating CIC filter, 1 per channel Full plex NCO, 32-bit tuning resolution (fine), worst spur better than
- 105 d Bc, 1 per channel plex FIR filter for frequency equalization or additional filtering Output automatic gain control Full plex posite NCO, 6-bit tuning resolution 16-bit/8-bit Micro Port (Intel® or Motorola® mode) Serial control port (SPI®- or SPORT-patible) 3.3 V I/O and 1.8 V core supplies JTAG boundary scan User-configurable, built-in, self-test (BIST) capability
GENERAL...