Ukraine-Russia war latest: Trump told Putin is ‘mocking’ peace efforts as minister urges US to restore weapons Kyiv says attack on Ukraine, which came hours after a Trump-Putin phone call, was ...

A low-power, low 1/f noise RF receiver front-end for 900 MHz IEEE 802.15.4 ZigBee standard in 0.18 mum CMOS technology is implemented. In combination with LNA, a passive mixer showing excellent 1/f ...