AD8349

PRODUCTION

700 MHz TO 2.7 GHz Direct Up-Conversion Quadrature Modulator

Data Sheet (Rev. B) Product Selection Table
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Overview

  • Output Frequency Range 700 MHz - 2.7 GHz
  • I/Q Base-band Frequency range dc – 160 MHz
  • Output Power 5.6 dBm @ 2140 MHz
  • Quadrature Phase Accuracy 0.3 degrees
  • Amplitude Balance 0.1 dB
  • Low Noise Floor -156 dBm/Hz
  • Output Switch Disable Function
  • Single 5 V Supply
  • Pin Compatible with AD8346 / AD8345

The AD8349 is high performance quadrature modulator design for use as a single stage up-converter within wireless infrastructure equipment.

The AD8349 provides a high output power and very low noise floor supporting a significant improvement in the output signal range. Additionally the excellent phase and amplitude balance accuracy support a higher sideband suppression specification enabling higher order / capacity QAM modulated radios.

The AD8349 has been tested for use over the common Cellular bands (900 MHz, 1.9 GHz, 2.1 GHz) meeting the needs as specified by the CDMA/GSM Edge/W-CDMA standards.

The AD8349 is supplied in 16-lead Thin Shrunk Small Outline (TSSOP) package, and fully specified over -40ºC to 85ºC temperature range.

APPLICATIONS

  • Cellular/PCS communication systems infrastructure
    • WCDMA/CDMA2000/PCS/GSM/EDGE
  • Wireless LAN/wireless local loop
  • LMDS/broadband wireless access systems

AVAILABILITY

Samples (part number AD8349ARE) and an evaluation board (part number AD8349-EVAL) are available. Other Modulator / Demodulator Products

  • AD8345 - 250 - 1000 MHz RF / IF Quadrature Modulator
  • AD8346 - 2.5 GHz Direct Conversion Quadrature Modulator
  • AD8347 - 800 MHz to 2.7 GHz RF / IF Quadrature Demodulator
  • AD8348 - 50 - 1000 MHz RF / IF Quadrature Demodulator

    •
    AD8349
    700 MHz TO 2.7 GHz Direct Up-Conversion Quadrature Modulator
    AD8349 Functional Block Diagram AD8349 Pin Configuration
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    Documentation

    Data Sheet 1

    Application Note 6

    Technical Articles 4

    Evaluation Design File 1

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    Software Resources

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    Hardware Ecosystem

    Parts Product Life Cycle Description
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    		RECOMMENDED FOR NEW DESIGNS Dual, 16-Bit, 1000 MSPS, TxDAC+® Digital-to-Analog Converter
    AD9122
    		PRODUCTION Dual, 16-Bit, 1230 MSPS, TxDAC+® Digital-to-Analog Converter
    AD9146
    		RECOMMENDED FOR NEW DESIGNS Dual, 16-Bit, 1230 MSPS, TxDAC+® Digital-to-Analog Converter
    AD9117
    		PRODUCTION Dual Low Power, 14-Bit TxDAC Digital-to-Analog Converters
    AD9717
    		PRODUCTION Dual, 14-Bit Low Power Digital-to-Analog Converters
    AD9783
    		PRODUCTION Dual 16-Bit, LVDS Interface 500 MSPS DAC
    Phase-Locked Loop (PLL) Synthesizers 3
    ADF4350
    		PRODUCTION Wideband Synthesizer with Integrated VCO
    ADF4106
    		PRODUCTION 6 GHz integer-N PLL
    ADF4156
    		PRODUCTION 6.2 GHz Fractional-N Frequency Synthesizer
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    Tools & Simulations

    ADIsimRF

    ADIsimRF is an easy-to-use RF signal chain calculator. Cascaded gain, noise, distortion and power consumption can be calculated, plotted and exported for signal chains with up to 50 stages. ADIsimRF also includes an extensive data base of device models for ADI’s RF and mixed signal components.

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    ADIsimPLL™

    ADIsimPLL enables the rapid and reliable evaluation of new high performance PLL products from ADI. It is the most comprehensive PLL Synthesizer design and simulation tool available today. Simulations performed include all key non-linear effects that are significant in affecting PLL performance. ADIsimPLL removes at least one iteration from the design process, thereby speeding the design- to-market.

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    Evaluation Kits

    EVAL-AD8349

    AD8349 Evaluation Board

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    Product Details

    AD8349-EVALZ is 4-layer, FR4-based evaluation board. For normal operation, it requires a 5 V/200 mA power supply which should be connected to the clip leads labeled VPOS and GND. The LO and baseband inputs (which should be biased at 0.4 V) are applied to edge-mounted SMA-type RF connectors (labeled LO, IP, IN, QP,and QN). The AD8349 output is available at the SMA connector labeled VOUT.
    EVAL-AD8349
    AD8349 Evaluation Board

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