Article Technical question about the MAX2614

 

Q1.According to the pin description in the data sheet, a 220nH inductor is to be connected to the RFOUT pin. According to the pin description in the data sheet, a 220nH inductor is to be connected to the RFOUT pin. Can you explain the purpose of this inductor? Also, do you have any documentation about it? 

 

 

 

 

Q2.When a negative signal is input, will amplification be performed with a fixed gain without any problem?

 

 

 

 

 

 

 

 
A1: 200nH inductor placed at RFOUT and VCC is aim to provide a bias for output port, and also a filter to reject noise from power supply.
 
A2: No worry about the AC coupled signal. DC bias was set internal.
 
 
 
 

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