AD6633 Datasheet PDF | Analog Devices

Analog Devices AD6633

The AD6633 is a multichannel, wide bandwidth digital upconverter (DUC) with crest factor reduction (CFR) technology, which is available in 4-channel or 6-channel versions. It processes 20-bit baseband input data and generates 18-bit, wideband, real, or complex output data at up to 125 MSPS. This rate is suitable for driving digital-to-analog converters (DACs) at the first intermediate frequency (IF) directly.

Part No.	AD6633
Datasheet	AD6633 Download
Manufacturer	Analog Devices
Description	Multichannel Digital Upconverter
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FEATURES

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 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 complex NCO, 32-bit tuning resolution (fine), worst spur better than −105 dBc, 1 per channel Complex FIR filter for frequency equalization or additional filtering Output automatic gain control Full complex composite NCO, 6-bit tuning resolution 16-bit/8-bit MicroPort (Intel® or Motorola® mode) Serial control port (SPI®- or SPORT-compatible) 3.3 V I/O and 1.8 V core supplies JTAG boundary scan User-configurable, built-in, self-test (BIST) capability GEN...