ADF4158

Direct Modulation/Waveform Generating, 6.1 GHz Fractional-N Frequency Synthesizer
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Product Details

The ADF4158 is a 6.1 GHz, fractional-N frequency synthesizer with modulation and waveform generation capability. It contains a 25-bit fixed modulus, allowing subhertz resolution at 6.1 GHz. It consists of a low noise digital phase frequency detector (PFD), a precision charge pump, and a programmable reference divider. There is a sigma-delta (Σ-Δ) based fractional interpolator to allow programmable fractional-N division. The INT and FRAC registers define an overall N-divider as N = INT + (FRAC/225).

The ADF4158 can be used to implement frequency shift keying (FSK) and phase shift keying (PSK) modulation. There are also a number of frequency sweep modes available, which 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 ADF4158 features cycle slip reduction circuitry, which leads to 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 device operates with a power supply ranging from 2.7 V to 3.3 V and can be powered down when not in use.

Applications

  • Frequency modulated continuous wave (FMCW) radar
  • Communications test equipment

Product Lifecycle

checked 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.

Evaluation Kits

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Product Details

This page contains ordering information for the evaluation board used to evaluate the ADF4158 Direct Modulation/Waveform Generating, 6.1 GHz Fractional-N Frequency Synthesizer.

Software & Systems Requirements

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Product Recommendations

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ADF4158 Companion Parts

Recommended Linear Regulators

  • For ultalow noise, 3V applications, 200mA output , we recommend the ADP151 .
  • For high accuracy, 5V applications , we recommend the ADP3334 .
  • For ultralow noise, 3V applications,150mA output , we recommend the ADP150 .
  • For a step up, 3V to 5V regulator , we recommend the ADP1613 .

Recommended Divide-by-4 Prescaler

  • For a low noise, low power, fixed RF block , we recommend the ADF5001 .

Recommended PLL Active Filter

  • For an ultralow noise, rail-to-rail amplifier , we recommend the OP184 .

Design Resources

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ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.

ADF4158 Material Declaration
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Overview

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Most Helpful Review

by SimonS
What can I say, this part is simply amazing. No idea how the folks at Analog can get so much functionality into such a small space. We have a few test fixtures that use this part, and these little devices replace a whole stack of test equipment.

All Reviews

by SimonS, 7 Nov 14
Amazing power for 16 mm2 board space
What can I say, this part is simply amazing. No idea how the folks at Analog can get so much functionality into such a small space. We have a few test fixtures that use this part, and these little devices replace a whole stack of test equipment.
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The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.


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Evaluation Boards Pricing displayed is based on 1-piece.
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.