There is no constitutional protection or ban on immigration agents wearing masks or face coverings. ICE acting head Todd M. Lyons defended the practice.

A push-pull oscillator topology that uses only one type of active device is proposed in this article. A magnetic transformer is leveraged to set positive feedback around a common-collector ...

A SiGe BiCMOS push-pull class-C VCO operating at 17 GHz and making use of only npn transistors is presented. A magnetic transformer is used to set positive feedback around a common-collector ...