Overview

Features and Benefits

  • 8 GHz to 16 GHz frequency range
  • Half-duplex for transmit and receive modes
  • Single-pin transmit and receive control
  • 360° phase adjustment range
  • 2.8° phase resolution
  • ≥31 dB gain adjustment range
  • ≤0.5 dB gain resolution
  • Bias and control for external transmit and receive modules
  • Memory for 121 prestored beam positions
  • Four −20 dBm to +10 dBm power detectors
  • Integrated temperature sensor
  • Integrated 8-bit ADC for power detectors and temperature sensor
  • Programmable bias modes
  • 4-wire SPI interface

Product Details

The ADAR1000 is a 4-channel, X and Ku frequency band, beamforming core chip for phased arrays. This device operates in half-duplex between receive and transmit modes. In receive mode, input signals pass through four receive channels and are combined and output at the common RF_IO pin. In transmit mode, the RF_IO input signal is split and passes through the four transmit channels. In both modes, the ADAR1000 provides a ≥31 dB gain adjustment range and a full 360° phase adjustment range in each radio frequency (RF) channel, with 6-bit resolution (less than ≤0.5 dB and 2.8°, respectively).

A simple 4-wire serial port interface (SPI) controls all of the on-chip registers. In addition, two address pins allow SPI control of up to four devices on the same serial lines. Dedicated transmit and receive load pins also provide synchronization of all ADAR1000 chips in the same array, and a single pin controls fast switching between the transmit and receive modes.

The ADAR1000 is fabricated in a silicon-germanium, bipolar CMOS (BiCMOS) process. The device is available in a compact, 88-terminal, 7 mm × 7 mm, LGA package and is specified from −40°C to +85°C.

APPLICATIONS

  • Phased array radar
  • Satellite communications systems

Keysight SystemVue model is available. Please contact ADI at beamformer@analog.com.

PathWave System DesignThe ADAR1000 Keysight SystemVue model is based on measured data and captures gain, phase, NF, IP3 & P1dB across frequency, for both transmit and receive paths. The model comes with a complete phased array workspace wherein different array configurations can chosen and beam array patterns simulated.

Product Lifecycle icon-recommended Recommended for New Designs

This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.

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    Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.