Analog Devices ADAR3003 Product Info

The ADAR3003 is a 27GHz to 31GHz transmit, 1-beam input, and 4-dual polarized element outputs, beamforming chip for polarized phased arrays. Each of the eight RF paths provide a ≥31.5 dB gain adjustment range and 360° phase adjustment range, with a gain and phase resolution of less than ≤0.5 dB and 5.625°, respectively, via the variable amplitude and phase (VAP) blocks. Each VAP contains a digital stepped attenuator (DSA) and phase shifter unit (PSU). Each path has an integrated RF power detector at its output, with a 18dB measurement range.

Access of all the on-chip control registers and memory is through a simple 3-wire or 4-wire serial port interface (SPI). In addition, four address pins allow SPI control of up to 16 devices on the same serial lines. The random access memory (RAM) has storage for up to 128 beamstates, organized into 64 beamstates per beam polarization. The on-chip sequencer selects and advances the beamstate being sourced from either the RAM or the first-in, first-out (FIFO).

The ADAR3003 is available in a 128-ball 5mm × 5mm wafer level chip-scale package (WLCSP) and is specified from −40°C to +85°C.

APPLICATIONS

• Air Terminals
• Ground Terminals
• Maritime Terminals