Modulators / Demodulators

Modulators and demodulators from Analog Devices operate at frequencies up to 6 GHz and feature a combination of high performance, broadband operating frequency, and flexibility.

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    Circuits from the Lab

    CN-0144: Broadband Low Error Vector Magnitude (EVM) Direct Conversion Transmitter Using LO Divide-by-2 Modulator (pdf 198 KB)

    CN-0134: Broadband Low Error Vector Magnitude (EVM) Direct Conversion Transmitter (pdf, 397 KB)

    CN-0070: Precise Control of I/Q Modulator Output Power Using the ADL5386 Quadrature Modulator and the AD5621 12-Bit DAC (pdf, 128 KB)

    CN:0062: Interfacing the ADL5382 Quadrature I/Q Demodulator to the AD9262 16-Bit Continuous Time Sigma-Delta ADC as an RF-to-Bits Solution (pdf, 104 KB)

    CN-0021: Interfacing the ADL5375 I/Q Modulator to the AD9779A Dual-Channel, 1 GSPS High Speed DAC (pdf, 132 KB)

    CN-0020: Interfacing the ADL5374 I/Q Modulator to the AD9779A Dual-Channel, 1 GSPS High Speed DAC (pdf, 127 KB)

    CN-0019: Interfacing the ADL5373 I/Q Modulator to the AD9779A Dual-Channel, 1 GSPS High Speed DAC (pdf, 127 KB)

    CN-0018: Interfacing the ADL5372 I/Q Modulator to the AD9779A Dual-Channel, 1 GSPS High Speed DAC (pdf, 122 KB)

    CN-0017: Interfacing the ADL5371 I/Q Modulator to the AD9779A Dual-Channel, 1 GSPS High Speed DAC (pdf, 122 KB)

    CN-0016: Interfacing the ADL5370 I/Q Modulator to the AD9779A Dual-Channel, 1 GSPS High Speed DAC (pdf, 122 KB)

    Modulators/Demodulators Application Notes

    AN-1100: Wireless Transmitter IQ Balance and Sideband Suppression (pdf, 185 KB)

    AN-0996: The Advantages of Using a Quadrature Digital Upconverter (QDUC) in Point-to-Point Microwave Transmit Systems"> (pdf, 219 KB)

    AN-920: Gain, LO, and Phase Compensation in a Single Sideband Transmitter Using the AD9788 TxDAC and ADL5372 Quadrature Modulator (pdf, 232 KB)

    AN-0974: Multicarrier TD-SCMA Feasibility (pdf, 634 KB)

    AN-924: Digital Quadrature Modulator Gain (pdf, 105 KB)

    AN-1039: Correcting Imperfections in IQ Modulators to Improve RF Signal Fidelity (pdf, 202 kB)

    AN-808: Multicarrier CDMA2000 Feasibility (pdf, 1535 kB)
    The goal of this application note is to determine the feasibility of implementing a multicarrier CDMA2000 transceiver and what the major subsystem performances must be.

    AN-826: A 2.4 GHz WiMAX Direct Conversion Transmitter (pdf, 417 KB)

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Demodulators

Part#Min RF Frequency (MHz)Max RF Frequency (MHz)Noise Figure (dB)Voltage Supply (V)Supply CurrentRx Mode IIP3 (dBm)VGA Range (dB)P1dB (dBm)IQ FrequencyPhase AccuracyAmplitude ErrorUS Price 1000 to 4999
ADL5380Reference Circuit Available 400 MHz 6000 MHz 11.7 4.75 to 5.25 245 mA 27.8 - 11.6 390 MHz 0.2 0.07 $5.28
ADL5382Reference Circuit Available 700 MHz 2700 MHz 15.6 4.75 to 5.25 220 mA 30.5 - 14.4 370 MHz 0.2 0.05 $5.28
ADL5387Reference Circuit Available 30 MHz 2000 MHz 12 4.75 to 5.25 180 mA 31 - 13 240 MHz 0.4 0.05 $5.28
AD8339 0 Hz 50 MHz - 4.5 to 5.5 35 mA 31 - - 50 MHz 1 0.25 $12.09
AD8333 0 Hz 50 MHz - +/- 5 44 mA 30 - - - 0.1 0.05 $9.06
AD8348 50 MHz 1000 MHz 10.75 2.7 to 5.5 48 mA 28 45 13 125 MHz 0.5 0.25 $5.01
AD8347 800 MHz 2700 MHz 11 2.7 to 5.5 64 mA 11.5 69.5 -2 65 MHz 1 0.3 $5.85
AD630 0 Hz 2 MHz - +/- 15 5 mA - - - - - - $11.57
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Demodulators w/ Integrated LO

Part#Min RF Frequency (MHz)Max RF Frequency (MHz)Noise Figure (dB)Voltage Supply (V)Supply CurrentIIP3VGA Range (dB)P1dB (dBm)IQ FrequencyPhase AccuracyAmplitude Error
ADRF6820 695 MHz 2700 MHz 18 - 220 mA 36 - - 600 MHz - 0.1
ADRF6807 700 MHz 1050 MHz 13.1 4.75 to 5.25 86 mA 26.7 - 12.8 170 MHz 0.5 0.1
ADRF6801Reference Circuit Available 750 MHz 1150 MHz 14.3 4.75 to 5.25 262 mA 25 - 12.5 275 MHz 0.3 0.05
ADRF6850 100 MHz 1 GHz 11 3.15 to 3.45 350 mA 22.5 60 12 300 MHz 0.5 0.1
ADRF6806 50 MHz 525 MHz 12.2 4.75 to 5.25 86 mA 28.5 - 12.2 170 MHz 0.5 0.1
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Modulators

Part#Min RF Frequency (MHz)Max RF Frequency (MHz)IQ BWSideband Suppress (dBc)Carrier Suppression (typ)Noise Floor (dBm/Hz)IP3 Input (typ)P-1dB output (typ)Voltage Supply (V)Supply Current
ADL5386Reference Circuit Available 50 MHz 2200 MHz 700 MHz -46 -38 -160 25 11.1 4.75 to 5.5 230 mA
ADL5375Reference Circuit Available 400 MHz 6000 MHz 750 MHz -49.9 -39.9 -157.1 23.4 10 - 174 mA
ADL5374Reference Circuit Available 3000 MHz 4000 MHz 500 MHz -50 -32.8 -159.6 22.8 12 4.75 to 5.25 173 mA
ADL5373Reference Circuit Available 2300 MHz 3000 MHz 500 MHz -57 -32 -157.1 26 13.8 4.75 to 5.25 174 mA
ADL5591 1805 MHz 1990 MHz 250 MHz -47 -39.3 -157 30 16 4.75 to 5.25 170 mA
ADL5590 869 MHz 960 MHz 250 MHz -50 -44.3 -156.6 29 16 4.75 to 5.25 170 mA
ADL5372Reference Circuit Available 1500 MHz 2500 MHz 500 MHz -45 -45 -158 27 14.2 4.75 to 5.25 165 mA
ADL5371Reference Circuit Available 500 MHz 1500 MHz 500 MHz -55 -50 -158.6 27 14.4 4.75 to 5.25 175 mA
ADL5385Reference Circuit Available 30 MHz 2200 MHz 500 MHz -50 -46 -159 26 11 4.75 to 5.5 215 mA
ADL5370Reference Circuit Available 300 MHz 1000 MHz 350 MHz -41 -50 -160 24 11 4.75 to 5.25 205 mA
AD8349 700 MHz 2700 MHz 160 MHz -35 -45 -155 21 7.6 4.75 to 5.5 135 mA
AD8345 140 MHz 1000 MHz 80 MHz -42 -42 -155 25 2.5 2.7 to 5.5 65 mA
AD8346 800 MHz 2500 MHz 70 MHz -36 -42 -147 20 -3 2.7 to 5.5 45 mA
AD630 0 Hz 2 MHz - - - - - - +/- 15 5 mA
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Modulators w/ LO

Part#Min RF Frequency (MHz)Max RF Frequency (MHz)Baseband Input BW (MHz)Sideband Suppress (dBc)Noise Floor (dBm/Hz)Voltage Supply (V)Supply CurrentIP3 Input (typ)P-1dB output (typ)Carrier Suppression (typ)
ADRF6720-27 400 MHz 3 GHz 1 GHz -40.8 -159.5 3.15 to 3.45 425 mA 31.1 10.8 -44.3
ADRF6720 700 MHz 3000 MHz 1000 MHz -37.6 -157.9 - 420 mA - 12.2 -40.3
ADRF6755 300 MHz 2300 MHz 250 MHz -45 -162 4.75 to 5.25 350 mA 20.5 8 -45
ADRF6704 2050 MHz 3000 MHz 750 -37.7 -158.3 4.75 to 5.25 226 mA 27.2 12.1 -40.6
ADRF6701 400 MHz 1250 MHz 750 -40 159.4 4.75 to 5.25 240 mA 30.1 10.1 -46.2
ADRF6703 1550 MHz 2650 MHz 750 -44 -159.7 4.75 to 5.25 240 mA 32.7 13.5 -46
ADRF6702Reference Circuit Available 1200 MHz 2400 MHz 750 -53.9 -159.6 4.75 to 5.25 240 mA 30.1 13.6 -40.6
ADRF6750 950 MHz 1575 MHz 250 -45 -162 4.75 to 5.25 310 mA 23 8.5 -45
ADF9010 840 MHz 960 MHz 20 -46 -158 3.15 to 3.45 360 mA 24 10 -40
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Vector Modulators

Part#Min RF Frequency (MHz)Max RF Frequency (MHz)Sideband Suppress (dBc)IP3 Input (typ)P-1dB output (typ)Voltage Supply (V)Supply CurrentIQ FrequencyCarrier Suppression (typ)IP1 (dB)
AD8333 0 Hz 50 MHz - 30 - +/- 5 44 mA - - 1.5
ADL5390 20 MHz 2400 MHz - 23.3 11.5 5 135 mA 230 MHz - 8.5
AD630 0 Hz 2 MHz - - - +/- 15 5 mA - - -
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