50 MHz TO 2200 MHz Quadrature Modulator with Integrated Detector and VVA

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Product Details

The ADL5386 is a quadrature modulator with unmatched integration levels for low intermediate frequency (IF) and radio frequency (RF) transmitters within broadband wireless access systems, microwave radio links, cable modem termination systems, and cellular infrastructure equipment. The ADL5386 operates over a frequency range of 50 MHz to 2200 MHz. Its excellent phase accuracy and amplitude balance supports high data rate, complex modulation for next-generation communication infrastructure equipment.

In addition, the ADL5386 incorporates a standalone logarithmic power detector, as well as a voltage variable attenuator (VVA). The attenuator has its own separate input and output pins for easy cascading with filters and buffer amplifiers. The wide dynamic range of the power detector and VVA provides flexibility in the choice of the signal monitoring point in the transmitter system.

The wide baseband input bandwidth of 700 MHz allows for either baseband drive or a drive from a complex IF signal. Typical applications are in IF or direct-to-RF radio-link transmitters, cable modem termination systems, broadband wireless access systems, and cellular infrastructure equipment.

The ADL5386 takes signals from two differential baseband inputs and modulates them onto two carriers in quadrature with each other. The two internal carriers are derived from a single-ended, external local oscillator (LO) input signal at twice the frequency as the desired output. The output amplifier is designed to drive a 50 Ω load.

The ADL5386 consists of two die, one fabricated using the Analog Devices, Inc., advanced SiGe bipolar process, and the other using an external GaAs process. The ADL5386 is packaged in a 40-lead, Pb-free LFCSP_VQ with an exposed paddle. Performance is specified over the −40°C to +85°C range. A Pb-free evaluation board is also available.


  • Radio-link infrastructures
  • Cable modem termination systems
  • Wireless/cellular infrastructure systems
  • Wireless local loops
  • WiMAX/broadband wireless access systems

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.

Evaluation Kits


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EVAL-ADL5386 Circuit Diagram

Product Details

ADL5386-EVALZ is 4-layer, FR4-based evaluation board. For normal operation, it requires a 5 V/300 mA power supply and the 5 V power supply should be connected to the clip leads labeled VPOS and GND. The LO and baseband inputs (which should be biased at 0.5 V) are applied to edge-mounted SMA-type RF connectors (labeled LO, IP, IN, QP, and QN). The IQ modulator output can be configured to drive the ADL5386's VVA block. Alternatively, the IQ modulator's output can be accessed directly at the SMA connector labeled VMOD. An AGC mode can be implemented using the on-board log detector/controller. DC voltage proportional to die temperature is available at the clip leads labeled TEMP.

Tools & Simulations

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Design Tools

Product Recommendations

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ADL5386 Companion Parts

Recommended Differential Dual Baseband TxDAC's

Recommended PLL's

  • For high performance with integrated VCO: ADF4350.
  • For higher performance, higher frequency and faster locktimes: ADF4106, ADF4156.

Recommended RF/IF Driver Amplifiers and Gain Blocks

Reference Materials

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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.

ADL5386 Material Declaration
PCN-PDN Information Quality And Reliability Symbols and Footprints


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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.