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Mabrok

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Hi,

During the simulation of my designed circuit which is RF Power Amplifier, I got this warning message. Which mentions about virtual resistance has been added. What does it mean? Does has any effect on my design during measurements? As I can get simulation results as expected. Thanks
warning message ADS.png
 

The simulator needs to have all the nodes referred to ground in DC. In case there are nodes floating it adds a very high value resistor toward ground. This doesn't affect the simulation results.
 

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    Mabrok

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albbg said:
The simulator needs to have all the nodes referred to ground in DC. In case there are nodes floating it adds a very high value resistor toward ground. This doesn't affect the simulation results.
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Are there any risk or effect on the measurements?
 

No, I don't think so.
 

Mabrok said:
Hi,

During the simulation of my designed circuit which is RF Power Amplifier, I got this warning message. Which mentions about virtual resistance has been added. What does it mean? Does has any effect on my design during measurements? As I can get simulation results as expected. ThanksView attachment 163861
Click to expand...
A power amplifier is an electronic amplifier designed to increase the magnitude of power of a given input signal. The power of the input signal is increased to a level high enough to drive loads of output devices like speakers, headphones, RF transmitters etc. ... In this case a microphone is used as an input source.
 

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