Google’s new Android source code release schedule is bad news for custom ROMs

Google confirmed to Android Authority that starting from 2026, it will push new source code to AOSP only twice a year: in Q2 ...
IEEE

Negative Dispersion-Less Coupling Structure and Its Application for Realization of Extremely Small Negative Couplings in Waveguide Filters

Abstract: Negative coupling is widely used in microwave filter design, especially for filters with finite transmission zeros (TZs). Conventionally, negative coupling is realized through capacitive ...