Hi ：
52833 define F23 VSS PA， H23 ANT
and circuit recommend that F23 pin connect to C3 ground pin， WHY ？
What is it internal Circuit of H23 & F23 pin ？
THX
Hi ：
52833 define F23 VSS PA， H23 ANT
and circuit recommend that F23 pin connect to C3 ground pin， WHY ？
What is it internal Circuit of H23 & F23 pin ？
THX
The reference layout looks like this:
The track between C3 and the F23 ground pin will form an inductor. The series resonance of this inductor and C3 is placed between the 2nd and 3rd harmonic to increase the attenuation of these harmonics.
