tsunami_all
Junior Member level 2
What is the best way to optimize lumped-element RF antenna balun two port network analyzer?
S21 and S31 have to be -3 dB.
I have a circuitry that looks more or less like this one.
Current Attempt #1:
However, when I terminate Number 2 (schematic) with 50 Ohm and port 2 of NA to Number 3 (schematic) to measure S31, I got -9 dB. This is where the problem comes in.
What are the methods that people typically use to optimize lumped-element RF antenna balun two port network analyzer?
Feel free to correct me if attempt #1 is wrong.
Thanks
S21 and S31 have to be -3 dB.
I have a circuitry that looks more or less like this one.
Current Attempt #1:
- Port 1 of NA connected to Number 1 in the schematic above. Port 2 of NA connected to Number 2 in the schematic above.
- Number 3 in the schematic is terminated with 50 Ohm 0201 size SMD component.
- Tune L to get S21 of -3 dB
However, when I terminate Number 2 (schematic) with 50 Ohm and port 2 of NA to Number 3 (schematic) to measure S31, I got -9 dB. This is where the problem comes in.
What are the methods that people typically use to optimize lumped-element RF antenna balun two port network analyzer?
Feel free to correct me if attempt #1 is wrong.
Thanks