HMC1121 Vgg

Question

Hi 
 What is the typical gate voltage 1-4 when Idd is 2200mA? 
 Is the Gate voltage will varying with different batches of HMC1121 or different HMC1121 devices? 
 If the gate voltage has variation on different HMC1121, than what is the voltage variation?

enash · Accepted Answer

On a small same of devices, I'm seeing VGG vary from device to device from -0.8V to -0.84V to maintain IDQ at 2200 mA at 25 degC. To deal with this variation, we recommend using an active bias controller circuit such as HMC980.)

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HMC1121 Vgg