Hi , I wanted to design an RF PA matching circuit , in the process im going through few application circuits of PA.
Here is the one that im attaching , im unable to understand which type of Matching network it is ?
Please help me out by giving some technical details about the below attachment

 

Looks like a second harmonic ladder filter and pi matching network.

http://rfic.eecs.berkeley.edu/142/labs/filterlab_theory.pdf
https://www.silabs.com/documents/public/application-notes/an930-efr32-matching-guide.pdf

 

Hi , I wanted to design an RF PA matching circuit , in the process im going through few application circuits of PA.
Here is the one that im attaching , im unable to understand which type of Matching network it is ?
Please help me out by giving some technical details about the below attachment

The left most four components compose a third-order Elliptic lowpass filter with about 1GHz cut-off frequency. Only L802 and C828 are used for impedance matching purpose. What is the output power of your amplifier?