Abstract—Design figures are presented for four types of diodephase shifters: switched line, reflection, loaded line, and a new typeusing lumped-element high-pass and low-pass circuits. Comparisonof th
Analog Devices,Inc. has introduced a chip that can reduce the RF circuit of a cellular phone to 1.5 square centimeters. This new Othello-G RF chip suitable for GSM/GPRS communication standards can pro