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The ADAR3002ACBZ is a beamforming chip for polarised phased arrays, featuring 17.7 GHz to 21.2 GHz reception, 2 beams, and 4 dual-polarisation elements. Each of the 16 RF paths provides a gain adjustment range of ≥31 dB and 360-degree phase adjustment through variable amplitude and phase (VAP) blocks, with resolutions of ≤0.5 dB and 5.625 degrees, respectively. Each VAP includes a digital step attenuator (DSA) and a phase shifter unit (PSU).

On-chip control registers and memory can be accessed via a simple 3-wire or 4-wire serial port interface (SPI). Additionally, the SPI can control up to sixteen devices on the same serial line via four address pins. Random access memory (RAM) can store up to 256 beam states, with each beam organised into 64 beam states per polarisation. The timing controller selects and advances beam states from RAM or FIFO.

The ADAR3002ACBZ is packaged in a 176-ball 6.6 x 6.6 mm wafer-level chip-scale package (WLCSP) with an operating temperature range of −40°C to +85°C.

ADAR3002ACBZ Applications  

Mobile Ka-band satellite communication applications  

Airports  

Ground terminals  

Maritime terminals  

ADAR3002ACBZ Key Features  

Frequency range: 17.7 GHz to 21.2 GHz  

Noise figure (with electronic gain): 2.0 dB  

Low power consumption: 362 mW (nominal bias settings)

8 programmable amplifier bias settings

RMS gain error = 0.2 dB

RMS phase error = 2.3 degrees

Coherent gain at 19.5 GHz = 25.1 dB

All 8 inputs driven

Single-channel gain at 19.5 GHz = 7.1 dB

At 19.5 GHz, IIP3 = -21.6 dBm  

At 19.5 GHz, IP1dB = -29.4 dBm  

Cross-polarisation isolation = 25 dB  

Phase adjustment range from 0 to 360 degrees  

5.625-degree step size/resolution

≥31 dB gain adjustment range  

≤0.5 dB gain resolution  

Memory for storing 256 pre-stored beam positions  

64 beam states per beam per polarisation  

User-programmable timing controller for selecting beam states  

FIFO memory for storing 64 beam positions  

16 beam states per beam per polarisation

Variable SPI length enables flexible and efficient beam commands

Update, reset, and mute 1 to 16 aperture beams

8-bit ADC with integrated temperature sensor and AMUX pin

3-wire or 4-wire SPI

• 1.Is the inventory and price seen on the platform accurate?

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• 6.Can the company issue an invoice?

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