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Analog Devices Attenuator : Please tell me the reference circuit diagram and control method when using HMC346AMS8GE.
RF and microwave
See the schematic on page 5 of the datasheet below. An external op amp circuit is required for impedance matching when varying the attenuation. Attenuation should be controlled by inputting 0V (minimum attenuation setting) to -5V (maximum attenuation setting) to V1.
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