ADF4159
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ADF4159

Direct Modulation/Fast Waveform Generating, 13 GHz, Fractional-N Frequency Synthesizer

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Info : RECOMMENDED FOR NEW DESIGNS tooltip
Info : RECOMMENDED FOR NEW DESIGNS tooltip
Part Models 4
1ku List Price Starting From $9.21
Features
  • RF bandwidth to 13 GHz
  • High and low speed FMCW ramp generation
  • 25-bit fixed modulus allows subhertz frequency resolution
  • PFD frequencies up to 110 MHz
  • Normalized phase noise floor of −224 dBc/Hz
  • FSK and PSK functions
  • Sawtooth, triangular, and parabolic waveform generation
  • Ramp superimposed with FSK
  • Ramp with 2 different sweep rates
  • Ramp delay, frequency readback, and interrupt functions
  • Programmable phase control
  • 2.7 V to 3.45 V analog power supply
  • 1.8 V digital power supply
  • Programmable charge pump currents
  • 3-wire serial interface
  • Digital lock detect
  • ESD performance: 3000 V HBM, 1000 V CDM
  • Qualified for automotive applications
Additional Details
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The ADF4159 is a 13 GHz, fractional-N frequency synthesizer with modulation and both fast and slow waveform generation capability. The part uses a 25-bit fixed modulus, allowing subhertz frequency resolution.

The ADF4159 consists of a low noise digital phase frequency detector (PFD), a precision charge pump, and a programmable reference divider. The Σ-Δ-based fractional interpolator allows programmable fractional-N division. The INT and FRAC registers define an overall N divider as N = INT + (FRAC/225).

The ADF4159 can be used to implement frequency shift keying (FSK) and phase shift keying (PSK) modulation. Frequency sweep modes are also available to generate various waveforms in the frequency domain, for example, sawtooth and triangular waveforms. Sweeps can be set to run automatically, or each step manually triggered by an external pulse. The ADF4159 features cycle slip reduction circuitry, which enables faster lock times without the need for modifications to the loop filter.

Control of all on-chip registers is via a simple 3-wire interface. The ADF4159 operates with an analog power supply in the range of 2.7 V to 3.45 V and a digital power supply in the range of 1.62 V to 1.98 V. The device can be powered down when not in use.

Applications

  • Communications infrastructure
  • Communications test equipment
  • Instrumentation
  • FMCW radars

Part Models 4
1ku List Price Starting From $9.21

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Documentation

Video

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
ADF4159CCPZ
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ADF4159CCPZ-RL7
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ADF4159WCCPZ
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ADF4159WCCPZ-RL7
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Software & Part Ecosystem

Evaluation Kits 2

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EVAL-TINYRAD

Evaluating the TINYRAD 24 GHz Demonstration Platform

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EVAL-TINYRAD

Evaluating the TINYRAD 24 GHz Demonstration Platform

Evaluating the TINYRAD 24 GHz Demonstration Platform

Features and Benefits

  • 24 GHz to 24.25 GHz MIMO FMCW radar
  • Flexible FMCW measurement timing
  • Suitable for target detection and tracking
  • Range resolution of 60 cm, range = 100 m (for RCS = 1 m2)
  • 3 dB beam width = 75° in azimuth and 15° in elevation, azimuth resolution using MIMO angle estimation = 20°
  • 1 PCB, 85 mm × 55 mm
  • 2 front side transmit antennas
  • 4 front side receive antennas
  • Reverse side ADF5901 24 GHz transmit monolithic microwave integrated circuit (MMIC)
  • Reverse side ADF5904 24 GHz receive MMIC
  • Reverse side ADF4159 13 GHz phase-locked loop (PLL)
  • Reverse side ADAR7251 16-bit, 4-channel ADC
  • Reverse side ADSP-BF706 Blackfin DSP
  • Accompanying software controls all functions from a PC
  • Externally powered via the USB connection

Product Detail

The EV-TINYRAD24G is a radar evaluation module that allows the implementation and testing of radar sensing applications in the 24 GHz industrial, scientific, and medical (ISM) band. The EV-TINYRAD24G uses frequency modulated continuous wave (FMCW) radio signals and an integrated antenna array in a multiple input multiple output (MIMO) radar scheme. The combined antennas, similar to digital beamforming (DBF), allow the TINYRAD module to detect the distance, speed, and angular position of multiple targets simultaneously. The raw analog-to-digital converter (ADC) data is forwarded by the onboard Blackfin® ADSP-BF706 digital signal processor (DSP) to the PC. The PC evaluation software, with an included graphical user interface (GUI), performs radar signal processing steps to yield radar point clouds that can be visualized as range doppler or range angle plots. The radar algorithms are also available as MATLAB and Python code and enable quick development of user defined, application specific code.

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EVAL-ADF4159

ADF4159 Evaluation Board

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EVAL-ADF4159

ADF4159 Evaluation Board

ADF4159 Evaluation Board

Product Detail

This page contains ordering information for the evaluation board used to evaluate the ADF4159 Direct Modulation/Fast Waveform Generating, 13 GHz, Fractional-N Frequency Synthesizer.

Tools & Simulations 2

Reference Designs 2

Block Diagram of ADF4159, AD8065 Active Loop Filter, and 11.4 GHz to 12.8 GHz VCO

Ultra-Fast Settling PLL with RF to 13 GHz

Figure 1. CN0566 Simplified Block Diagram

Phased Array (Phaser) Development Platform

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CN0566

Phased Array (Phaser) Development Platform

CN0566

Circuits from the lab

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Phased Array (Phaser) Development Platform

Features and Benefits

  • 10 GHz to 10.5 GHZ Beamsteering Platform
  • 360 degree Phase Shift w/ 2.8 Degree Resolution
  • 31 dB Amplitude Tuning Range w/ 0.5 dB Resolution.
  • 8-Element Linear Array Antenna
  • Digitized with PlutoSDR
  • Runs directly on a Raspberry Pi
View Detailed Reference Design external link

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