Variable Gain Amplifiers (VGA)

Variable gain amplifiers (VGAs) have been used in a variety of remote sensing and communications equipment for more than a half-century. Applications ranging from ultrasound, radar, lidar to wireless communications—and even speech analysis—have utilized variable gain in an attempt to enhance dynamic performance.

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Analog Variable Gain Amplifiers

Part# Number of Channels-3dB BandwidthGain ControlGain/Attenuate (min)Gain/Attenuate (max)Spectral NoiseSupply CurrentSupply Voltage (V)Gain AccuracyUS Price 1000-4999Min Pos SupplyMax Pos SupplyMax Neg SupplyMin Neg Supply
ADRF65182350MHzAnalog, Digital-36dB66dB-400mA3.3V- $11.95----
AD8338118MHzAnalog0dB80dB4.5(nV/rtHz)3mA5V0.5dB $4.813V5V0V0V
AD8122Reference Circuit Available-270MHzAnalog------ $9.94.5V5.5V4.5V5.5V
ADL5565Reference Circuit Available16.75GHzAnalog0dB15.5dB1.52(nV/rtHz)80mA5.2V1dB $3.682.8V5.2V--
ADL5336Reference Circuit Available1-Analog-14.6dB19.5dB-80mA-0.1dB $6.574.5V5.5V--
ADRF6516231MHzAnalog-5dB45dB-360mA-0.2dB $10.33.15V3.45V--
ADRF6510Reference Circuit Available230MHzAnalog-5dB45dB-258mA5.25V0.1dB $8.994.75V5.25V--
AD82644235MHzAnalog0dB24dB2.3(nV/rtHz)99mA5V2dB $11.95----
ADL5331Reference Circuit Available11.5GHzAnalog-14dB17dB-240mA5.25V- $5.164.75V5.25V0V0V
ADL556112.9GHzAnalog6dB15.5dB2.1(nV/rtHz)40mA3.6V- $3.683V3.6V--
ADL5562Reference Circuit Available-3.3GHzAnalog6dB15.5dB2.1(nV/rtHz)80mA3.6V- $3.683V3.6V--
AD83361115MHzAnalog-14dB46dB3(nV/rtHz)25mA12V0.5dB $4.65----
ADL539112GHzAnalog-9.5dB26.7(nV/rtHz)135mA5V- $4.954.5V5.5V--
AD83344100MHzAnalog4.5dB43.5dB740m(nV/rtHz)116mA5V0.5dB $14.66----
AD8368Reference Circuit Available1800MHzAnalog-12dB22dB-60mA5V0.4dB $4.64.5V5.5V--
AD8352Reference Circuit Available-2.2GHzAnalog3dB25dB2.7(nV/rtHz)37mA5.5V- $3.533V5.5V--
AD83371280MHzAnalog0dB24dB2.2(nV/rtHz)15mA5V0.25dB $2.49----
ADL5330Reference Circuit Available13GHzAnalog35dB23dB-215mA5.25V- $5.044.75V5.25V0V0V
AD8335470MHzAnalog-10dB38dB1.3(nV/rtHz)76mA5V0.2dB $12.14----
ADL539012.4GHzAnalog-30dB5dB-135mA5V- $7.594.75V5.25V--
AD8340--Analog-32dB-2dB-130mA-- $7.594.75V5.25V--
AD8341--Analog-34.5dB-4.5dB-125mA-- $7.594.75V5.25V--
AD8331Reference Circuit Available1120MHzAnalog-4.5dB43dB740m(nV/rtHz)25mA5V0.5dB $5.45----
AD8351-2.2GHzAnalog0dB26dB2.7(nV/rtHz)28mA5.5V- $2.683V5.5V--
AD83301150MHzAnalog0dB50dB5(nV/rtHz)20mA6V0.5dB $4.532.7V6V0V0V
AD83322120MHzAnalog-4.5dB43.5dB740m(nV/rtHz)58mA5V0.5dB $10.78----
AD83671500MHzAnalog-2.5dB42.5dB1.84(nV/rtHz)26mA5.5V0.2dB $4.62.7V5.5V--
AD8350-900MHzAnalog15dB20dB1.7(nV/rtHz)28mA11V- $2.524V11V--
AD604240MHzAnalog0dB48dB800m(nV/rtHz)31mA5V0.3dB $16.78----
AD605240MHzAnalog-14dB34dB1.8(nV/rtHz)23mA5V0.2dB $10.11----
AD603190MHzAnalog-11dB31dB1.4(nV/rtHz)20mA5V0.5dB $5.58-6.3V-4.75V
AD600235MHzAnalog0dB40dB1.4(nV/rtHz)14mA5V- $16.944.75V5.25V5.25V4.75V
AD602235MHzAnalog-10dB30dB1.4(nV/rtHz)14mA5V- $16.94-5.25V5.25V4.75V
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Digital Variable Gain Amplifiers

Part# Number of Channels-3dB BandwidthSpectral NoiseGain AccuracyGain (min)Gain (max)Supply Voltage (V)Supply CurrentUS Price 1000-4999
ADRF65182350MHz---36dB66dB3.3V400mA $11.95
ADL52011700MHz---11.5dB20dB5V110mA $4.54
ADL5202Reference Circuit Available2700MHz---11.5dB20dB5V210mA $6.57
ADL52401----13.1dB18.2dB5.25V93mA $3.5
ADL52431----1.2dB31.3dB5V175mA $5.79
AD83662600MHz--4.5dB20.25dB5V180mA $6.57
AD82601180MHz2.4(nV/rtHz)0.25dB-6dB24dB3.3V28mA $3.84
AD83722130MHz-0.3dB-9dB32dB5.5V212mA $6.58
ADL559212.4GHz-0.02dB-52.1dB8.9dB5V189mA **
AD83751630MHz1.9(nV/rtHz)0.2dB-4dB20dB5.5V125mA $4.54
AD8376Reference Circuit Available2700MHz2(nV/rtHz)0.2dB-4dB20dB5.5V250mA $6.57
AD83701750MHz2.1(nV/rtHz)--11dB34dB5.5V79mA $4.25
AD83241100MHz157(nV/rtHz)1dB-25.5dB33.5dB3.3V207mA $1.35
AD83691600MHz2(nV/rtHz)0.5dB-5dB40dB5.5V37mA $4.25
AD83271160MHz64(nV/rtHz)1dB-18dB30dB5V105mA **
AD83251100MHz56(nV/rtHz)1dB-29.5dB30dB5V133mA $3.34
AD83211120MHz20(nV/rtHz)1dB-27.4dB26dB9V90mA **
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