Attenuators, VGAs, Filters

RF VGAs, IF VGAs and variable gain control products from Analog Devices offer the high performance needed for communications, instrumentation, and military designs. The portfolio includes continuous analog linear-in-dB products based on X-Amp™ interpolation architectures and digital step controlled products providing as fine as 0.25 dB step and linear in volts digital control. Furthermore, our RF VGAs are highly integrated with digitally controlled multi-pole analog filters integrated on-chip as well as AGC circuits for automatic level control.

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    Circuits from the Lab

    CN-0140: High Performance, Dual Channel IF Sampling Receiver

    CN-0082: Creating a Constant Envelope Signal Using the ADL5331 RFVGA and AD8319 Log Detector

    CN-0072: Extending the Dynamic Range of the ADL5513 Logarithmic Detector Using the AD8368 Variable Gain Amplifier

    CN-0050: Stable, Closed-Loop Automatic Power Control for RF Applications

    CN-0002: Using the AD8376 VGA to Drive Wide Bandwidth ADCs for High IF AC-Coupled Applications

    RF VGAs Application Notes

    AN-1098: Methodology for Narrow-Band Interface Design Between High Performance Differential Driver Amplifiers and ADCs (pdf, 167 KB)

    AN-0974: Multicarrier TD-SCMA Feasibility (pdf, 634 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-827: A Resonant Approach to Interfacing Amplifiers to Switched-Capacitor ADCs (pdf, 203 KB)

    AN-772: A Design and Manufacturing Guide for the Lead Frame Chip Scale Package (LFCSP) (pdf, 439 KB)

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

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IF VGAs

Part# Gain ControlRF Frquency Range (MHz)Gain AccuracyOutput IP3Spectral NoiseGain (min)Gain (max)Noise Figure (dB)Min Pos SupplyMax Pos SupplySupply CurrentUS Price 1000-4999
ADRF6518Analog, Digital650MHz-37dBm--36dB66dB---400mA $11.95
ADL5201Digital700MHz-50dBm--11.5dB20dB7.5dB4.5V5.5V110mA $4.54
ADL5202Reference Circuit AvailableDigital700MHz-50dBm--11.5dB20dB7.5dB4.5V5.5V210mA $6.57
ADL5565Reference Circuit AvailableAnalog6GHz1dB54dBm1.52(nV/rtHz)0dB15.5dB8.7dB2.8V5.2V80mA $3.68
ADL5336Reference Circuit AvailableAnalog1GHz0.1dB28dBm--14.6dB19.5dB7.1dB4.5V5.5V80mA $6.57
AD8366Digital600MHz-38dBm-4.5dB20.25dB11.4dB4.75V5.25V180mA $6.57
ADRF6516Analog31MHz0.2dB35dBm--5dB45dB-3.15V3.45V360mA $10.3
ADRF6510Reference Circuit AvailableAnalog30MHz-27dBm--5dB45dB-4.75V5.25V258mA $8.99
ADL5561Analog2.9GHz-49dBm2.1(nV/rtHz)6dB15.5dB8dB3V3.6V40mA $3.68
ADL5562Reference Circuit AvailableAnalog3.3GHz-47dBm2.1(nV/rtHz)6dB15.5dB7.3dB3V3.6V80mA $3.68
AD8372Digital130MHz0.3dB35dBm--9dB32dB7.9dB4.5V5.5V212mA $6.58
AD8375Digital630MHz0.2dB50dBm1.9(nV/rtHz)-4dB20dB8.3dB4.5V5.5V125mA $4.54
AD8376Reference Circuit AvailableDigital700MHz0.2dB50dBm2(nV/rtHz)-4dB20dB8.7dB4.5V5.5V250mA $6.57
AD8368Reference Circuit AvailableAnalog800MHz0.4dB33dBm--12dB22dB9.5dB4.5V5.5V60mA $4.6
AD8370Digital750MHz-35dBm2.1(nV/rtHz)-11dB34dB7.2dB3V5.5V79mA $4.25
AD8369Digital600MHz0.5dB19.5dBm2(nV/rtHz)-5dB40dB7dB3V5.5V37mA $4.25
AD8367Analog500MHz0.2dB36.5dBm1.84(nV/rtHz)-2.5dB42.5dB6.2dB2.7V5.5V26mA $4.6
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RF VGAs

Part# Gain ControlRF Frquency Range (MHz)Gain (min)Gain (max)Noise Figure (dB)1 dB Comp Point (dBm)Output IP3Max Pos SupplySupply CurrentUS Price 1000-4999
ADL5240Digital4GHz-13.1dB18.2dB3dB17.9dBm37.5dBm5.25V93mA $3.5
ADL5243Digital4GHz-1.2dB31.3dB3.1dB25.3dBm40dBm5.25V175mA $5.79
ADL5331Reference Circuit AvailableAnalog1.2GHz-14dB17dB9dB-47dBm5.25V240mA $5.16
ADL5592Digital2.4GHz-52.1dB8.9dB4.8dB-29dBm5.5V189mA **
ADL5330Reference Circuit AvailableAnalog3GHz35dB23dB9dB1.3dBm31.5dBm5.25V215mA $5.04
ADL5390Analog2.4GHz-30dB5dB21dB8.5dBm23.3dBm5.25V135mA $7.59
AD8340Analog1GHz-32dB-2dB-11dBm24dBm5.25V130mA $7.59
AD8341Analog2.4GHz-34.5dB-4.5dB-8.5dBm17.5dBm5.25V125mA $7.59
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VGA Filters

Part# Gain ControlOutput IP3Number of ChannelsRF Frquency Range (MHz)Max Pos SupplySupply CurrentSupply Voltage (V)Voltage Supply (V)Gain (min)Gain (max)US Price 1000-4999
ADRF6518-37dBm2650MHz-400mA3.3V--36dB66dB $11.95
ADRF6516Analog35dBm231MHz3.45V360mA---5dB45dB $10.3
ADRF6510Reference Circuit AvailableAnalog27dBm230MHz5.25V258mA5.25V--5dB45dB $8.99
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