Before revision: Die shot of a Broadcom BCM2050KMLG, an RF CMOS chip used as a WiFi 802.11g URL Notice the circular and spiral-like structures, which act as inductors and coupled coils.
After revision: Die shot of a Broadcom BCM2050KMLG, an RF CMOS chip used as a WiFi 802.11g URL Notice the circular and spiral-like structures, which act as URL and coupled coils.