AD8349 700 MHz TO 2.7 GHz Direct Up-Conversion Quadrature Modulator

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

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.

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

Features and Benefits
  • 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
RF & Microwave
Data Sheets
Documentnote
AD8349: 700 MHz to 2700 MHz Quadrature Modulator Data Sheet (Rev. B)PDF 729 kB
Application Notes
Documentnote
AN-0996: The Advantages of Using a Quadrature Digital Upconverter (QDUC) in Point-to-Point Microwave Transmit Systems (Rev. 0)PDF 219 kB
AN-1039: Correcting Imperfections in IQ Modulators to Improve RF Signal Fidelity (Rev. 0)PDF 202 kB
AN-924: Digital Quadrature Modulator Gain (Rev. A)PDF 105 kB
AN-808: Multicarrier CDMA2000 Feasibility (Rev. 0)PDF 1535 kB
AN-826: A 2.4 GHz WiMAX Direct Conversion Transmitter (Rev. B)PDF 417 kB
Order Information
Part NumberPackagePacking QtyTemp RangePrice 100-499Price 1000+RoHS
AD8349AREZ Production16 ld TSSOP_EP (3.0mm pad size)OTH 96-40 to 85C5.275.02Y
AD8349AREZ-RL7 Production16 ld TSSOP_EP (3.0mm pad size)REEL 1000-40 to 85C05.02Y
Evaluation Boards
Part NumberDescriptionPriceRoHS
AD8349-EVALZEvaluation Board100.19Y
Reference Materials
AD8349: 700 MHz to 2700 MHz Quadrature Modulator Data Sheet  (Rev B, 02/2012) AD8349
AD8349: 700 MHz to 2700 MHz Quadrature Modulator Data Sheet (Rev. B) ad8349
AN-808: CDMA2000多载波系统可行性研究 (Rev. 0) adl5330
AN-0996: The Advantages of Using a Quadrature Digital Upconverter (QDUC) in Point-to-Point Microwave Transmit Systems (Rev. 0) ad9857
AN-1039: Correcting Imperfections in IQ Modulators to Improve RF Signal Fidelity (Rev. 0) ad8346
AN-924: Digital Quadrature Modulator Gain (Rev. A) ad9856
AN-1039: 校正IQ调制器缺陷，提高射频信号保真度 (Rev. 0) ad8346
AN-924: 数字正交调制器增益 (Rev. A) ad9856
AN-0996: 在点对点微波发射系统中使用正交数字上变频器(QDUC)的优势 (Rev. 0) ad9857
AN-808: Multicarrier CDMA2000 Feasibility (Rev. 0) ad9863
AN-826: 2.4 GHz WiMAX直接变频发射机[中文版] (Rev. B) adl5330
AN-826: A 2.4 GHz WiMAX Direct Conversion Transmitter (Rev. B) adl5330
RF Source Booklet adf9010
Single Chip Realizes Direct-Conversion Rx ad8346
Single-Sideband Upconversion of Quadrature DDS Signals to the 800-to-2500MHz ad8345
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